In cs_dsp_load_coeff() region_name should be set in the XM/YM/ZM
cases otherwise any errors will log the region as "Unknown".
While doing this also change one error message that logged the
region type ID to log the region_name instead. This makes it
consistent with other messages in the same function.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230605143238.4001982-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
- fix harmless warning in zboot code on 'make clean'
- add some missing prototypes
- fix boot regressions triggered by PE/COFF header image minor version
bump
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Merge tag 'efi-fixes-for-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
"A few minor fixes for EFI, one of which fixes the reported boot
regression when booting x86 kernels using the BIOS based loader built
into the hypervisor framework on macOS.
- fix harmless warning in zboot code on 'make clean'
- add some missing prototypes
- fix boot regressions triggered by PE/COFF header image minor
version bump"
* tag 'efi-fixes-for-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: Bump stub image version for macOS HVF compatibility
efi: fix missing prototype warnings
efi/libstub: zboot: Avoid eager evaluation of objcopy flags
Change the message at the start of bin file loading from
cs_dsp_dbg() to cs_dsp_info() so that there is confirmation
in the kernel log that a bin file was loaded, and the name
of the file.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230531170158.2744700-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
not being declared. We thus need to guard sections of code calling them
as alternative access methods.
Co-developed-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Link: https://lore.kernel.org/r/20230522105049.1467313-11-schnelle@linux.ibm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Quite a few fixes to address set of assorted issues:
1. NULL pointer dereference if the ffa driver doesn't provide remove()
callback as it is currently executed unconditionally
2. FF-A core probe failure on systems with v1.0 firmware as the new
partition info get count flag is used unconditionally
3. Failure to register more than one logical partition or service within
the same physical partition as the device name contains only VM ID
which will be same for all but each will have unique UUID.
4. Rejection of certain memory interface transmissions by the receivers
(secure partitions) as few MBZ fields are non-zero due to lack of
explicit re-initialization of those fields
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Merge tag 'ffa-fixes-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Arm FF-A fixes for v6.4
Quite a few fixes to address set of assorted issues:
1. NULL pointer dereference if the ffa driver doesn't provide remove()
callback as it is currently executed unconditionally
2. FF-A core probe failure on systems with v1.0 firmware as the new
partition info get count flag is used unconditionally
3. Failure to register more than one logical partition or service within
the same physical partition as the device name contains only VM ID
which will be same for all but each will have unique UUID.
4. Rejection of certain memory interface transmissions by the receivers
(secure partitions) as few MBZ fields are non-zero due to lack of
explicit re-initialization of those fields
* tag 'ffa-fixes-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_ffa: Set reserved/MBZ fields to zero in the memory descriptors
firmware: arm_ffa: Fix FFA device names for logical partitions
firmware: arm_ffa: Fix usage of partition info get count flag
firmware: arm_ffa: Check if ffa_driver remove is present before executing
Link: https://lore.kernel.org/r/20230509143453.1188753-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Single fix for incorrect invocation of alloc_workqueue() where WQ_SYSFS
flag is passed as @max_active parameter instead of OR'ing with the other
flags in the @flags parameter.
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Merge tag 'scmi-fix-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Arm SCMI fix for v6.4
Single fix for incorrect invocation of alloc_workqueue() where WQ_SYSFS
flag is passed as @max_active parameter instead of OR'ing with the other
flags in the @flags parameter.
* tag 'scmi-fix-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: Fix incorrect alloc_workqueue() invocation
Link: https://lore.kernel.org/r/20230509143529.1188812-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The cper.c file needs to include an extra header, and efi_zboot_entry
needs an extern declaration to avoid these 'make W=1' warnings:
drivers/firmware/efi/libstub/zboot.c:65:1: error: no previous prototype for 'efi_zboot_entry' [-Werror=missing-prototypes]
drivers/firmware/efi/efi.c:176:16: error: no previous prototype for 'efi_attr_is_visible' [-Werror=missing-prototypes]
drivers/firmware/efi/cper.c:626:6: error: no previous prototype for 'cper_estatus_print' [-Werror=missing-prototypes]
drivers/firmware/efi/cper.c:649:5: error: no previous prototype for 'cper_estatus_check_header' [-Werror=missing-prototypes]
drivers/firmware/efi/cper.c:662:5: error: no previous prototype for 'cper_estatus_check' [-Werror=missing-prototypes]
To make this easier, move the cper specific declarations to
include/linux/cper.h.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
The Make variable containing the objcopy flags may be constructed from
the output of build tools operating on build artifacts, and these may
not exist when doing a make clean.
So avoid evaluating them eagerly, to prevent spurious build warnings.
Suggested-by: Pedro Falcato <pedro.falcato@gmail.com>
Tested-by: Alan Bartlett <ajb@elrepo.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
When writing EFI variables, one might get errors with no other message
on why it fails. Being able to see how much is used by EFI variables
helps analyzing such issues.
Since this is not a conventional filesystem, block size is intentionally
set to 1 instead of PAGE_SIZE.
x86 quirks of reserved size are taken into account; so that available
and free size can be different, further helping debugging space issues.
With this patch, one can see the remaining space in EFI variable storage
via efivarfs, like this:
$ df -h /sys/firmware/efi/efivars/
Filesystem Size Used Avail Use% Mounted on
efivarfs 176K 106K 66K 62% /sys/firmware/efi/efivars
Signed-off-by: Anisse Astier <an.astier@criteo.com>
[ardb: - rename efi_reserved_space() to efivar_reserved_space()
- whitespace/coding style tweaks]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Consider a configuration like this:
1, efifb (or simpledrm) is built-in;
2, a native display driver (such as radeon) is also built-in.
As Javier said, this is not a common configuration (the native display
driver is usually built as a module), but it can happen and cause some
trouble.
In this case, since efifb, radeon and sysfb are all in device_initcall()
level, the order in practise is like this:
efifb registered at first, but no "efi-framebuffer" device yet. radeon
registered later, and /dev/fb0 created. sysfb_init() comes at last, it
registers "efi-framebuffer" and then causes an error message "efifb: a
framebuffer is already registered". Make sysfb_init() to be subsys_
initcall_sync() can avoid this. And Javier Martinez Canillas is trying
to make a more general solution in commit 873eb3b118 ("fbdev: Disable
sysfb device registration when removing conflicting FBs").
However, this patch still makes sense because it can make the screen
display as early as possible (We cannot move to subsys_initcall, since
sysfb_init() should be executed after PCI enumeration).
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220704011704.1418055-1-chenhuacai@loongson.cn
Since commit ee6d3dd4ed ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.
Take advantage of this to constify the structure definition to prevent
modification at runtime.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This change adds support for passing shmem channel address as parameters
in smc/hvc call. The address is split into 4KB-page and offset.
This is useful when multiple scmi instances are using same smc-id
and firmware needs to distinguish among the instances.
Signed-off-by: Nikunj Kela <quic_nkela@quicinc.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230506182428.25343-3-quic_nkela@quicinc.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
The transmit buffers allocated by the driver can be used to transmit data
by any messages/commands needing the buffer. However, it is not guaranteed
to have been zero-ed before every new transmission and hence it will just
contain residual value from the previous transmission. There are several
reserved fields in the memory descriptors that must be zero(MBZ). The
receiver can reject the transmission if any such MBZ fields are non-zero.
While we can set the whole page to zero, it is not optimal as most of the
fields get initialised to the value required for the current transmission.
So, just set the reserved/MBZ fields to zero in the memory descriptors
explicitly to honour the requirement and keep the receiver happy.
Fixes: cc2195fe53 ("firmware: arm_ffa: Add support for MEM_* interfaces")
Reported-by: Marc Bonnici <marc.bonnici@arm.com>
Link: https://lore.kernel.org/r/20230503131252.12585-1-sudeep.holla@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Each physical partition can provide multiple services each with UUID.
Each such service can be presented as logical partition with a unique
combination of VM ID and UUID. The number of distinct UUID in a system
will be less than or equal to the number of logical partitions.
However, currently it fails to register more than one logical partition
or service within a physical partition as the device name contains only
VM ID while both VM ID and UUID are maintained in the partition information.
The kernel complains with the below message:
| sysfs: cannot create duplicate filename '/devices/arm-ffa-8001'
| CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.3.0-rc7 #8
| Hardware name: FVP Base RevC (DT)
| Call trace:
| dump_backtrace+0xf8/0x118
| show_stack+0x18/0x24
| dump_stack_lvl+0x50/0x68
| dump_stack+0x18/0x24
| sysfs_create_dir_ns+0xe0/0x13c
| kobject_add_internal+0x220/0x3d4
| kobject_add+0x94/0x100
| device_add+0x144/0x5d8
| device_register+0x20/0x30
| ffa_device_register+0x88/0xd8
| ffa_setup_partitions+0x108/0x1b8
| ffa_init+0x2ec/0x3a4
| do_one_initcall+0xcc/0x240
| do_initcall_level+0x8c/0xac
| do_initcalls+0x54/0x94
| do_basic_setup+0x1c/0x28
| kernel_init_freeable+0x100/0x16c
| kernel_init+0x20/0x1a0
| ret_from_fork+0x10/0x20
| kobject_add_internal failed for arm-ffa-8001 with -EEXIST, don't try to
| register things with the same name in the same directory.
| arm_ffa arm-ffa: unable to register device arm-ffa-8001 err=-17
| ARM FF-A: ffa_setup_partitions: failed to register partition ID 0x8001
By virtue of being random enough to avoid collisions when generated in a
distributed system, there is no way to compress UUID keys to the number
of bits required to identify each. We can eliminate '-' in the name but
it is not worth eliminating 4 bytes and add unnecessary logic for doing
that. Also v1.0 doesn't provide the UUID of the partitions which makes
it hard to use the same for the device name.
So to keep it simple, let us alloc an ID using ida_alloc() and append the
same to "arm-ffa" to make up a unique device name. Also stash the id value
in ffa_dev to help freeing the ID later when the device is destroyed.
Fixes: e781858488 ("firmware: arm_ffa: Add initial FFA bus support for device enumeration")
Reported-by: Lucian Paul-Trifu <lucian.paul-trifu@arm.com>
Link: https://lore.kernel.org/r/20230419-ffa_fixes_6-4-v2-3-d9108e43a176@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Commit bb1be74985 ("firmware: arm_ffa: Add v1.1 get_partition_info support")
adds support to discovery the UUIDs of the partitions or just fetch the
partition count using the PARTITION_INFO_GET_RETURN_COUNT_ONLY flag.
However the commit doesn't handle the fact that the older version doesn't
understand the flag and must be MBZ which results in firmware returning
invalid parameter error. That results in the failure of the driver probe
which is in correct.
Limit the usage of the PARTITION_INFO_GET_RETURN_COUNT_ONLY flag for the
versions above v1.0(i.e v1.1 and onwards) which fixes the issue.
Fixes: bb1be74985 ("firmware: arm_ffa: Add v1.1 get_partition_info support")
Reported-by: Jens Wiklander <jens.wiklander@linaro.org>
Reported-by: Marc Bonnici <marc.bonnici@arm.com>
Tested-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Link: https://lore.kernel.org/r/20230419-ffa_fixes_6-4-v2-2-d9108e43a176@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Currently ffa_drv->remove() is called unconditionally from
ffa_device_remove(). Since the driver registration doesn't check for it
and allows it to be registered without .remove callback, we need to check
for the presence of it before executing it from ffa_device_remove() to
above a NULL pointer dereference like the one below:
| Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
| Mem abort info:
| ESR = 0x0000000086000004
| EC = 0x21: IABT (current EL), IL = 32 bits
| SET = 0, FnV = 0
| EA = 0, S1PTW = 0
| FSC = 0x04: level 0 translation fault
| user pgtable: 4k pages, 48-bit VAs, pgdp=0000000881cc8000
| [0000000000000000] pgd=0000000000000000, p4d=0000000000000000
| Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP
| CPU: 3 PID: 130 Comm: rmmod Not tainted 6.3.0-rc7 #6
| Hardware name: FVP Base RevC (DT)
| pstate: 63402809 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=-c)
| pc : 0x0
| lr : ffa_device_remove+0x20/0x2c
| Call trace:
| 0x0
| device_release_driver_internal+0x16c/0x260
| driver_detach+0x90/0xd0
| bus_remove_driver+0xdc/0x11c
| driver_unregister+0x30/0x54
| ffa_driver_unregister+0x14/0x20
| cleanup_module+0x18/0xeec
| __arm64_sys_delete_module+0x234/0x378
| invoke_syscall+0x40/0x108
| el0_svc_common+0xb4/0xf0
| do_el0_svc+0x30/0xa4
| el0_svc+0x2c/0x7c
| el0t_64_sync_handler+0x84/0xf0
| el0t_64_sync+0x190/0x194
Fixes: 244f5d597e ("firmware: arm_ffa: Add missing remove callback to ffa_bus_type")
Link: https://lore.kernel.org/r/20230419-ffa_fixes_6-4-v2-1-d9108e43a176@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
scmi_xfer_raw_worker_init() is specifying a flag, WQ_SYSFS, as @max_active.
Fix it by or'ing WQ_SYSFS into @flags so that it actually enables sysfs
interface and using 0 for @max_active for the default setting.
Signed-off-by: Tejun Heo <tj@kernel.org>
Fixes: 3c3d818a93 ("firmware: arm_scmi: Add core raw transmission support")
Link: https://lore.kernel.org/r/ZEGTnajiQm7mkkZS@slm.duckdns.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
- relocate the LoongArch kernel if the preferred address is already
occupied;
- implement BTI annotations for arm64 EFI stub and zboot images;
- clean up arm64 zboot Kbuild rules for injecting the kernel code size.
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Merge tag 'efi-next-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
- relocate the LoongArch kernel if the preferred address is already
occupied
- implement BTI annotations for arm64 EFI stub and zboot images
- clean up arm64 zboot Kbuild rules for injecting the kernel code size
* tag 'efi-next-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/zboot: arm64: Grab code size from ELF symbol in payload
efi/zboot: arm64: Inject kernel code size symbol into the zboot payload
efi/zboot: Set forward edge CFI compat header flag if supported
efi/zboot: Add BSS padding before compression
arm64: efi: Enable BTI codegen and add PE/COFF annotation
efi/pe: Import new BTI/IBT header flags from the spec
efi/loongarch: Reintroduce efi_relocate_kernel() to relocate kernel
The summary of the changes for this pull requests is:
* Song Liu's new struct module_memory replacement
* Nick Alcock's MODULE_LICENSE() removal for non-modules
* My cleanups and enhancements to reduce the areas where we vmalloc
module memory for duplicates, and the respective debug code which
proves the remaining vmalloc pressure comes from userspace.
Most of the changes have been in linux-next for quite some time except
the minor fixes I made to check if a module was already loaded
prior to allocating the final module memory with vmalloc and the
respective debug code it introduces to help clarify the issue. Although
the functional change is small it is rather safe as it can only *help*
reduce vmalloc space for duplicates and is confirmed to fix a bootup
issue with over 400 CPUs with KASAN enabled. I don't expect stable
kernels to pick up that fix as the cleanups would have also had to have
been picked up. Folks on larger CPU systems with modules will want to
just upgrade if vmalloc space has been an issue on bootup.
Given the size of this request, here's some more elaborate details
on this pull request.
The functional change change in this pull request is the very first
patch from Song Liu which replaces the struct module_layout with a new
struct module memory. The old data structure tried to put together all
types of supported module memory types in one data structure, the new
one abstracts the differences in memory types in a module to allow each
one to provide their own set of details. This paves the way in the
future so we can deal with them in a cleaner way. If you look at changes
they also provide a nice cleanup of how we handle these different memory
areas in a module. This change has been in linux-next since before the
merge window opened for v6.3 so to provide more than a full kernel cycle
of testing. It's a good thing as quite a bit of fixes have been found
for it.
Jason Baron then made dynamic debug a first class citizen module user by
using module notifier callbacks to allocate / remove module specific
dynamic debug information.
Nick Alcock has done quite a bit of work cross-tree to remove module
license tags from things which cannot possibly be module at my request
so to:
a) help him with his longer term tooling goals which require a
deterministic evaluation if a piece a symbol code could ever be
part of a module or not. But quite recently it is has been made
clear that tooling is not the only one that would benefit.
Disambiguating symbols also helps efforts such as live patching,
kprobes and BPF, but for other reasons and R&D on this area
is active with no clear solution in sight.
b) help us inch closer to the now generally accepted long term goal
of automating all the MODULE_LICENSE() tags from SPDX license tags
In so far as a) is concerned, although module license tags are a no-op
for non-modules, tools which would want create a mapping of possible
modules can only rely on the module license tag after the commit
8b41fc4454 ("kbuild: create modules.builtin without Makefile.modbuiltin
or tristate.conf"). Nick has been working on this *for years* and
AFAICT I was the only one to suggest two alternatives to this approach
for tooling. The complexity in one of my suggested approaches lies in
that we'd need a possible-obj-m and a could-be-module which would check
if the object being built is part of any kconfig build which could ever
lead to it being part of a module, and if so define a new define
-DPOSSIBLE_MODULE [0]. A more obvious yet theoretical approach I've
suggested would be to have a tristate in kconfig imply the same new
-DPOSSIBLE_MODULE as well but that means getting kconfig symbol names
mapping to modules always, and I don't think that's the case today. I am
not aware of Nick or anyone exploring either of these options. Quite
recently Josh Poimboeuf has pointed out that live patching, kprobes and
BPF would benefit from resolving some part of the disambiguation as
well but for other reasons. The function granularity KASLR (fgkaslr)
patches were mentioned but Joe Lawrence has clarified this effort has
been dropped with no clear solution in sight [1].
In the meantime removing module license tags from code which could never
be modules is welcomed for both objectives mentioned above. Some
developers have also welcomed these changes as it has helped clarify
when a module was never possible and they forgot to clean this up,
and so you'll see quite a bit of Nick's patches in other pull
requests for this merge window. I just picked up the stragglers after
rc3. LWN has good coverage on the motivation behind this work [2] and
the typical cross-tree issues he ran into along the way. The only
concrete blocker issue he ran into was that we should not remove the
MODULE_LICENSE() tags from files which have no SPDX tags yet, even if
they can never be modules. Nick ended up giving up on his efforts due
to having to do this vetting and backlash he ran into from folks who
really did *not understand* the core of the issue nor were providing
any alternative / guidance. I've gone through his changes and dropped
the patches which dropped the module license tags where an SPDX
license tag was missing, it only consisted of 11 drivers. To see
if a pull request deals with a file which lacks SPDX tags you
can just use:
./scripts/spdxcheck.py -f \
$(git diff --name-only commid-id | xargs echo)
You'll see a core module file in this pull request for the above,
but that's not related to his changes. WE just need to add the SPDX
license tag for the kernel/module/kmod.c file in the future but
it demonstrates the effectiveness of the script.
Most of Nick's changes were spread out through different trees,
and I just picked up the slack after rc3 for the last kernel was out.
Those changes have been in linux-next for over two weeks.
The cleanups, debug code I added and final fix I added for modules
were motivated by David Hildenbrand's report of boot failing on
a systems with over 400 CPUs when KASAN was enabled due to running
out of virtual memory space. Although the functional change only
consists of 3 lines in the patch "module: avoid allocation if module is
already present and ready", proving that this was the best we can
do on the modules side took quite a bit of effort and new debug code.
The initial cleanups I did on the modules side of things has been
in linux-next since around rc3 of the last kernel, the actual final
fix for and debug code however have only been in linux-next for about a
week or so but I think it is worth getting that code in for this merge
window as it does help fix / prove / evaluate the issues reported
with larger number of CPUs. Userspace is not yet fixed as it is taking
a bit of time for folks to understand the crux of the issue and find a
proper resolution. Worst come to worst, I have a kludge-of-concept [3]
of how to make kernel_read*() calls for modules unique / converge them,
but I'm currently inclined to just see if userspace can fix this
instead.
[0] https://lore.kernel.org/all/Y/kXDqW+7d71C4wz@bombadil.infradead.org/
[1] https://lkml.kernel.org/r/025f2151-ce7c-5630-9b90-98742c97ac65@redhat.com
[2] https://lwn.net/Articles/927569/
[3] https://lkml.kernel.org/r/20230414052840.1994456-3-mcgrof@kernel.org
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Merge tag 'modules-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull module updates from Luis Chamberlain:
"The summary of the changes for this pull requests is:
- Song Liu's new struct module_memory replacement
- Nick Alcock's MODULE_LICENSE() removal for non-modules
- My cleanups and enhancements to reduce the areas where we vmalloc
module memory for duplicates, and the respective debug code which
proves the remaining vmalloc pressure comes from userspace.
Most of the changes have been in linux-next for quite some time except
the minor fixes I made to check if a module was already loaded prior
to allocating the final module memory with vmalloc and the respective
debug code it introduces to help clarify the issue. Although the
functional change is small it is rather safe as it can only *help*
reduce vmalloc space for duplicates and is confirmed to fix a bootup
issue with over 400 CPUs with KASAN enabled. I don't expect stable
kernels to pick up that fix as the cleanups would have also had to
have been picked up. Folks on larger CPU systems with modules will
want to just upgrade if vmalloc space has been an issue on bootup.
Given the size of this request, here's some more elaborate details:
The functional change change in this pull request is the very first
patch from Song Liu which replaces the 'struct module_layout' with a
new 'struct module_memory'. The old data structure tried to put
together all types of supported module memory types in one data
structure, the new one abstracts the differences in memory types in a
module to allow each one to provide their own set of details. This
paves the way in the future so we can deal with them in a cleaner way.
If you look at changes they also provide a nice cleanup of how we
handle these different memory areas in a module. This change has been
in linux-next since before the merge window opened for v6.3 so to
provide more than a full kernel cycle of testing. It's a good thing as
quite a bit of fixes have been found for it.
Jason Baron then made dynamic debug a first class citizen module user
by using module notifier callbacks to allocate / remove module
specific dynamic debug information.
Nick Alcock has done quite a bit of work cross-tree to remove module
license tags from things which cannot possibly be module at my request
so to:
a) help him with his longer term tooling goals which require a
deterministic evaluation if a piece a symbol code could ever be
part of a module or not. But quite recently it is has been made
clear that tooling is not the only one that would benefit.
Disambiguating symbols also helps efforts such as live patching,
kprobes and BPF, but for other reasons and R&D on this area is
active with no clear solution in sight.
b) help us inch closer to the now generally accepted long term goal
of automating all the MODULE_LICENSE() tags from SPDX license tags
In so far as a) is concerned, although module license tags are a no-op
for non-modules, tools which would want create a mapping of possible
modules can only rely on the module license tag after the commit
8b41fc4454 ("kbuild: create modules.builtin without
Makefile.modbuiltin or tristate.conf").
Nick has been working on this *for years* and AFAICT I was the only
one to suggest two alternatives to this approach for tooling. The
complexity in one of my suggested approaches lies in that we'd need a
possible-obj-m and a could-be-module which would check if the object
being built is part of any kconfig build which could ever lead to it
being part of a module, and if so define a new define
-DPOSSIBLE_MODULE [0].
A more obvious yet theoretical approach I've suggested would be to
have a tristate in kconfig imply the same new -DPOSSIBLE_MODULE as
well but that means getting kconfig symbol names mapping to modules
always, and I don't think that's the case today. I am not aware of
Nick or anyone exploring either of these options. Quite recently Josh
Poimboeuf has pointed out that live patching, kprobes and BPF would
benefit from resolving some part of the disambiguation as well but for
other reasons. The function granularity KASLR (fgkaslr) patches were
mentioned but Joe Lawrence has clarified this effort has been dropped
with no clear solution in sight [1].
In the meantime removing module license tags from code which could
never be modules is welcomed for both objectives mentioned above. Some
developers have also welcomed these changes as it has helped clarify
when a module was never possible and they forgot to clean this up, and
so you'll see quite a bit of Nick's patches in other pull requests for
this merge window. I just picked up the stragglers after rc3. LWN has
good coverage on the motivation behind this work [2] and the typical
cross-tree issues he ran into along the way. The only concrete blocker
issue he ran into was that we should not remove the MODULE_LICENSE()
tags from files which have no SPDX tags yet, even if they can never be
modules. Nick ended up giving up on his efforts due to having to do
this vetting and backlash he ran into from folks who really did *not
understand* the core of the issue nor were providing any alternative /
guidance. I've gone through his changes and dropped the patches which
dropped the module license tags where an SPDX license tag was missing,
it only consisted of 11 drivers. To see if a pull request deals with a
file which lacks SPDX tags you can just use:
./scripts/spdxcheck.py -f \
$(git diff --name-only commid-id | xargs echo)
You'll see a core module file in this pull request for the above, but
that's not related to his changes. WE just need to add the SPDX
license tag for the kernel/module/kmod.c file in the future but it
demonstrates the effectiveness of the script.
Most of Nick's changes were spread out through different trees, and I
just picked up the slack after rc3 for the last kernel was out. Those
changes have been in linux-next for over two weeks.
The cleanups, debug code I added and final fix I added for modules
were motivated by David Hildenbrand's report of boot failing on a
systems with over 400 CPUs when KASAN was enabled due to running out
of virtual memory space. Although the functional change only consists
of 3 lines in the patch "module: avoid allocation if module is already
present and ready", proving that this was the best we can do on the
modules side took quite a bit of effort and new debug code.
The initial cleanups I did on the modules side of things has been in
linux-next since around rc3 of the last kernel, the actual final fix
for and debug code however have only been in linux-next for about a
week or so but I think it is worth getting that code in for this merge
window as it does help fix / prove / evaluate the issues reported with
larger number of CPUs. Userspace is not yet fixed as it is taking a
bit of time for folks to understand the crux of the issue and find a
proper resolution. Worst come to worst, I have a kludge-of-concept [3]
of how to make kernel_read*() calls for modules unique / converge
them, but I'm currently inclined to just see if userspace can fix this
instead"
Link: https://lore.kernel.org/all/Y/kXDqW+7d71C4wz@bombadil.infradead.org/ [0]
Link: https://lkml.kernel.org/r/025f2151-ce7c-5630-9b90-98742c97ac65@redhat.com [1]
Link: https://lwn.net/Articles/927569/ [2]
Link: https://lkml.kernel.org/r/20230414052840.1994456-3-mcgrof@kernel.org [3]
* tag 'modules-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux: (121 commits)
module: add debugging auto-load duplicate module support
module: stats: fix invalid_mod_bytes typo
module: remove use of uninitialized variable len
module: fix building stats for 32-bit targets
module: stats: include uapi/linux/module.h
module: avoid allocation if module is already present and ready
module: add debug stats to help identify memory pressure
module: extract patient module check into helper
modules/kmod: replace implementation with a semaphore
Change DEFINE_SEMAPHORE() to take a number argument
module: fix kmemleak annotations for non init ELF sections
module: Ignore L0 and rename is_arm_mapping_symbol()
module: Move is_arm_mapping_symbol() to module_symbol.h
module: Sync code of is_arm_mapping_symbol()
scripts/gdb: use mem instead of core_layout to get the module address
interconnect: remove module-related code
interconnect: remove MODULE_LICENSE in non-modules
zswap: remove MODULE_LICENSE in non-modules
zpool: remove MODULE_LICENSE in non-modules
x86/mm/dump_pagetables: remove MODULE_LICENSE in non-modules
...
Here is the "big" set of char/misc and other driver subsystems for
6.4-rc1.
It's pretty big, but due to the removal of pcmcia drivers, almost breaks
even for number of lines added vs. removed, a nice change.
Included in here are:
- removal of unused PCMCIA drivers (finally!)
- Interconnect driver updates and additions
- Lots of IIO driver updates and additions
- MHI driver updates
- Coresight driver updates
- NVMEM driver updates, which required some OF updates
- W1 driver updates and a new maintainer to manage the subsystem
- FPGA driver updates
- New driver subsystem, CDX, for AMD systems
- lots of other small driver updates and additions
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc drivers updates from Greg KH:
"Here is the "big" set of char/misc and other driver subsystems for
6.4-rc1.
It's pretty big, but due to the removal of pcmcia drivers, almost
breaks even for number of lines added vs. removed, a nice change.
Included in here are:
- removal of unused PCMCIA drivers (finally!)
- Interconnect driver updates and additions
- Lots of IIO driver updates and additions
- MHI driver updates
- Coresight driver updates
- NVMEM driver updates, which required some OF updates
- W1 driver updates and a new maintainer to manage the subsystem
- FPGA driver updates
- New driver subsystem, CDX, for AMD systems
- lots of other small driver updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (196 commits)
mcb-lpc: Reallocate memory region to avoid memory overlapping
mcb-pci: Reallocate memory region to avoid memory overlapping
mcb: Return actual parsed size when reading chameleon table
kernel/configs: Drop Android config fragments
virt: acrn: Replace obsolete memalign() with posix_memalign()
spmi: Add a check for remove callback when removing a SPMI driver
spmi: fix W=1 kernel-doc warnings
spmi: mtk-pmif: Drop of_match_ptr for ID table
spmi: pmic-arb: Convert to platform remove callback returning void
spmi: mtk-pmif: Convert to platform remove callback returning void
spmi: hisi-spmi-controller: Convert to platform remove callback returning void
w1: gpio: remove unnecessary ENOMEM messages
w1: omap-hdq: remove unnecessary ENOMEM messages
w1: omap-hdq: add SPDX tag
w1: omap-hdq: allow compile testing
w1: matrox: remove unnecessary ENOMEM messages
w1: matrox: use inline over __inline__
w1: matrox: switch from asm to linux header
w1: ds2482: do not use assignment in if condition
w1: ds2482: drop unnecessary header
...
At this time, it's an interesting mixture of changes for both old and
new stuff. Majority of changes are about ASoC (lots of systematic
changes for converting remove callbacks to void, and cleanups), while
we got the fixes and the enhancements of very old PCI cards, too.
Here are some highlights:
ALSA/ASoC Core:
- Continued effort of more ASoC core cleanups
- Minor improvements for XRUN handling in indirect PCM helpers
- Code refactoring of PCM core code
ASoC:
- Continued feature and simplification work on SOF, including addition
of a no-DSP mode for bringup, HDA MLink and extensions to the IPC4
protocol
- Hibernation support for CS35L45
- More DT binding conversions
- Support for Cirrus Logic CS35L56, Freescale QMC, Maxim MAX98363,
nVidia systems with MAX9809x and RT5631, Realtek RT712, Renesas R-Car
Gen4, Rockchip RK3588 and TI TAS5733
ALSA:
- Lots of works for legacy emu10k1 and ymfpci PCI drivers
- PCM kselftest fixes and enhancements
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Merge tag 'sound-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"At this time, it's an interesting mixture of changes for both old and
new stuff. Majority of changes are about ASoC (lots of systematic
changes for converting remove callbacks to void, and cleanups), while
we got the fixes and the enhancements of very old PCI cards, too.
Here are some highlights:
ALSA/ASoC Core:
- Continued effort of more ASoC core cleanups
- Minor improvements for XRUN handling in indirect PCM helpers
- Code refactoring of PCM core code
ASoC:
- Continued feature and simplification work on SOF, including
addition of a no-DSP mode for bringup, HDA MLink and extensions to
the IPC4 protocol
- Hibernation support for CS35L45
- More DT binding conversions
- Support for Cirrus Logic CS35L56, Freescale QMC, Maxim MAX98363,
nVidia systems with MAX9809x and RT5631, Realtek RT712, Renesas
R-Car Gen4, Rockchip RK3588 and TI TAS5733
ALSA:
- Lots of works for legacy emu10k1 and ymfpci PCI drivers
- PCM kselftest fixes and enhancements"
* tag 'sound-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (586 commits)
ALSA: emu10k1: use high-level I/O in set_filterQ()
ALSA: emu10k1: use high-level I/O functions also during init
ALSA: emu10k1: fix error handling in snd_audigy_i2c_volume_put()
ALSA: emu10k1: don't stop DSP in _snd_emu10k1_{,audigy_}init_efx()
ALSA: emu10k1: fix SNDRV_EMU10K1_IOCTL_SINGLE_STEP
ALSA: emu10k1: skip Sound Blaster-specific hacks for E-MU cards
ALSA: emu10k1: fixup DSP defines
ALSA: emu10k1: pull in some register definitions from kX-project
ALSA: emu10k1: remove some bogus defines
ALSA: emu10k1: eliminate some unused defines
ALSA: emu10k1: fix lineup of EMU_HANA_* defines
ALSA: emu10k1: comment updates
ALSA: emu10k1: fix snd_emu1010_fpga_read() input masking for rev2 cards
ALSA: emu10k1: remove unused emu->pcm_playback_efx_substream field
ALSA: emu10k1: remove unused `resume` parameter from snd_emu10k1_init()
ALSA: emu10k1: minor optimizations
ALSA: emu10k1: remove remaining cruft from snd_emu10k1_emu1010_init()
ALSA: emu10k1: remove apparently pointless EMU_HANA_OPTION_CARDS reads
ALSA: emu10k1: remove apparently pointless FPGA reads
ALSA: emu10k1: stop doing weird things with HCFG in snd_emu10k1_emu1010_init()
...
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Merge tag 'pci-v6.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Resource management:
- Add pci_dev_for_each_resource() and pci_bus_for_each_resource()
iterators
PCIe native device hotplug:
- Fix AB-BA deadlock between reset_lock and device_lock
Power management:
- Wait longer for devices to become ready after resume (as we do for
reset) to accommodate Intel Titan Ridge xHCI devices
- Extend D3hot delay for NVIDIA HDA controllers to avoid
unrecoverable devices after a bus reset
Error handling:
- Clear PCIe Device Status after EDR since generic error recovery now
only clears it when AER is native
ASPM:
- Work around Chromebook firmware defect that clobbers Capability
list (including ASPM L1 PM Substates Cap) when returning from
D3cold to D0
Freescale i.MX6 PCIe controller driver:
- Install imprecise external abort handler only when DT indicates
PCIe support
Freescale Layerscape PCIe controller driver:
- Add ls1028a endpoint mode support
Qualcomm PCIe controller driver:
- Add SM8550 DT binding and driver support
- Add SDX55 DT binding and driver support
- Use bulk APIs for clocks of IP 1.0.0, 2.3.2, 2.3.3
- Use bulk APIs for reset of IP 2.1.0, 2.3.3, 2.4.0
- Add DT "mhi" register region for supported SoCs
- Expose link transition counts via debugfs to help debug low power
issues
- Support system suspend and resume; reduce interconnect bandwidth
and turn off clock and PHY if there are no active devices
- Enable async probe by default to reduce boot time
Miscellaneous:
- Sort controller Kconfig entries by vendor"
* tag 'pci-v6.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (56 commits)
PCI: xilinx: Drop obsolete dependency on COMPILE_TEST
PCI: mobiveil: Sort Kconfig entries by vendor
PCI: dwc: Sort Kconfig entries by vendor
PCI: Sort controller Kconfig entries by vendor
PCI: Use consistent controller Kconfig menu entry language
PCI: xilinx-nwl: Add 'Xilinx' to Kconfig prompt
PCI: hv: Add 'Microsoft' to Kconfig prompt
PCI: meson: Add 'Amlogic' to Kconfig prompt
PCI: Use of_property_present() for testing DT property presence
PCI/PM: Extend D3hot delay for NVIDIA HDA controllers
dt-bindings: PCI: qcom: Document msi-map and msi-map-mask properties
PCI: qcom: Add SM8550 PCIe support
dt-bindings: PCI: qcom: Add SM8550 compatible
PCI: qcom: Add support for SDX55 SoC
dt-bindings: PCI: qcom-ep: Fix the unit address used in example
dt-bindings: PCI: qcom: Add SDX55 SoC
dt-bindings: PCI: qcom: Update maintainers entry
PCI: qcom: Enable async probe by default
PCI: qcom: Add support for system suspend and resume
PCI/PM: Drop pci_bridge_wait_for_secondary_bus() timeout parameter
...
Instead of relying on a dodgy dd hack to copy the image code size from
the uncompressed image's PE header to the end of the compressed image,
let's grab the code size from the symbol that is injected into the ELF
object by the Kbuild rules that generate the compressed payload.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
The EFI zboot code is not built as part of the kernel proper, like the
ordinary EFI stub, but still needs access to symbols that are defined
only internally in the kernel, and are left unexposed deliberately to
avoid creating ABI inadvertently that we're stuck with later.
So capture the kernel code size of the kernel image, and inject it as an
ELF symbol into the object that contains the compressed payload, where
it will be accessible to zboot code that needs it.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
ACPI:
* Improve error reporting when failing to manage SDEI on AGDI device
removal
Assembly routines:
* Improve register constraints so that the compiler can make use of
the zero register instead of moving an immediate #0 into a GPR
* Allow the compiler to allocate the registers used for CAS
instructions
CPU features and system registers:
* Cleanups to the way in which CPU features are identified from the
ID register fields
* Extend system register definition generation to handle Enum types
when defining shared register fields
* Generate definitions for new _EL2 registers and add new fields
for ID_AA64PFR1_EL1
* Allow SVE to be disabled separately from SME on the kernel
command-line
Tracing:
* Support for "direct calls" in ftrace, which enables BPF tracing
for arm64
Kdump:
* Don't bother unmapping the crashkernel from the linear mapping,
which then allows us to use huge (block) mappings and reduce
TLB pressure when a crashkernel is loaded.
Memory management:
* Try again to remove data cache invalidation from the coherent DMA
allocation path
* Simplify the fixmap code by mapping at page granularity
* Allow the kfence pool to be allocated early, preventing the rest
of the linear mapping from being forced to page granularity
Perf and PMU:
* Move CPU PMU code out to drivers/perf/ where it can be reused
by the 32-bit ARM architecture when running on ARMv8 CPUs
* Fix race between CPU PMU probing and pKVM host de-privilege
* Add support for Apple M2 CPU PMU
* Adjust the generic PERF_COUNT_HW_BRANCH_INSTRUCTIONS event
dynamically, depending on what the CPU actually supports
* Minor fixes and cleanups to system PMU drivers
Stack tracing:
* Use the XPACLRI instruction to strip PAC from pointers, rather
than rolling our own function in C
* Remove redundant PAC removal for toolchains that handle this in
their builtins
* Make backtracing more resilient in the face of instrumentation
Miscellaneous:
* Fix single-step with KGDB
* Remove harmless warning when 'nokaslr' is passed on the kernel
command-line
* Minor fixes and cleanups across the board
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"ACPI:
- Improve error reporting when failing to manage SDEI on AGDI device
removal
Assembly routines:
- Improve register constraints so that the compiler can make use of
the zero register instead of moving an immediate #0 into a GPR
- Allow the compiler to allocate the registers used for CAS
instructions
CPU features and system registers:
- Cleanups to the way in which CPU features are identified from the
ID register fields
- Extend system register definition generation to handle Enum types
when defining shared register fields
- Generate definitions for new _EL2 registers and add new fields for
ID_AA64PFR1_EL1
- Allow SVE to be disabled separately from SME on the kernel
command-line
Tracing:
- Support for "direct calls" in ftrace, which enables BPF tracing for
arm64
Kdump:
- Don't bother unmapping the crashkernel from the linear mapping,
which then allows us to use huge (block) mappings and reduce TLB
pressure when a crashkernel is loaded.
Memory management:
- Try again to remove data cache invalidation from the coherent DMA
allocation path
- Simplify the fixmap code by mapping at page granularity
- Allow the kfence pool to be allocated early, preventing the rest of
the linear mapping from being forced to page granularity
Perf and PMU:
- Move CPU PMU code out to drivers/perf/ where it can be reused by
the 32-bit ARM architecture when running on ARMv8 CPUs
- Fix race between CPU PMU probing and pKVM host de-privilege
- Add support for Apple M2 CPU PMU
- Adjust the generic PERF_COUNT_HW_BRANCH_INSTRUCTIONS event
dynamically, depending on what the CPU actually supports
- Minor fixes and cleanups to system PMU drivers
Stack tracing:
- Use the XPACLRI instruction to strip PAC from pointers, rather than
rolling our own function in C
- Remove redundant PAC removal for toolchains that handle this in
their builtins
- Make backtracing more resilient in the face of instrumentation
Miscellaneous:
- Fix single-step with KGDB
- Remove harmless warning when 'nokaslr' is passed on the kernel
command-line
- Minor fixes and cleanups across the board"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (72 commits)
KVM: arm64: Ensure CPU PMU probes before pKVM host de-privilege
arm64: kexec: include reboot.h
arm64: delete dead code in this_cpu_set_vectors()
arm64/cpufeature: Use helper macro to specify ID register for capabilites
drivers/perf: hisi: add NULL check for name
drivers/perf: hisi: Remove redundant initialized of pmu->name
arm64/cpufeature: Consistently use symbolic constants for min_field_value
arm64/cpufeature: Pull out helper for CPUID register definitions
arm64/sysreg: Convert HFGITR_EL2 to automatic generation
ACPI: AGDI: Improve error reporting for problems during .remove()
arm64: kernel: Fix kernel warning when nokaslr is passed to commandline
perf/arm-cmn: Fix port detection for CMN-700
arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step
arm64: move PAC masks to <asm/pointer_auth.h>
arm64: use XPACLRI to strip PAC
arm64: avoid redundant PAC stripping in __builtin_return_address()
arm64/sme: Fix some comments of ARM SME
arm64/signal: Alloc tpidr2 sigframe after checking system_supports_tpidr2()
arm64/signal: Use system_supports_tpidr2() to check TPIDR2
arm64/idreg: Don't disable SME when disabling SVE
...
The most notable updates this time are for Qualcomm Snapdragon platforms.
The Inline-Crypto-Engine gets a new DT binding and driver. A number of
drivers now support additional Snapdragon variants, in particular the
rsc, scm, geni, bwm, glink and socinfo, while the llcc (edac) and rpm
drivers get notable functionality updates.
Updates on other platforms include:
- Various updates to the Mediatek mutex and mmsys drivers, including
support for the Helio X10 SoC
- Support for unidirectional mailbox channels in Arm SCMI firmware
- Support for per cpu asynchronous notification in OP-TEE firmware
- Minor updates for memory controller drivers.
- Minor updates for Renesas, TI, Amlogic, Apple, Broadcom, Tegra,
Allwinner, Versatile Express, Canaan, Microchip, Mediatek and i.MX
SoC drivers, mainly updating the use of MODULE_LICENSE() macros and
obsolete DT driver interfaces.
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Merge tag 'soc-drivers-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"The most notable updates this time are for Qualcomm Snapdragon
platforms. The Inline-Crypto-Engine gets a new DT binding and driver,
and a number of drivers now support additional Snapdragon variants, in
particular the rsc, scm, geni, bwm, glink and socinfo, while the llcc
(edac) and rpm drivers get notable functionality updates.
Updates on other platforms include:
- Various updates to the Mediatek mutex and mmsys drivers, including
support for the Helio X10 SoC
- Support for unidirectional mailbox channels in Arm SCMI firmware
- Support for per cpu asynchronous notification in OP-TEE firmware
- Minor updates for memory controller drivers.
- Minor updates for Renesas, TI, Amlogic, Apple, Broadcom, Tegra,
Allwinner, Versatile Express, Canaan, Microchip, Mediatek and i.MX
SoC drivers, mainly updating the use of MODULE_LICENSE() macros and
obsolete DT driver interfaces"
* tag 'soc-drivers-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
soc: ti: smartreflex: Simplify getting the opam_sr pointer
bus: vexpress-config: Add explicit of_platform.h include
soc: mediatek: Kconfig: Add MTK_CMDQ dependency to MTK_MMSYS
memory: mtk-smi: mt8365: Add SMI Support
dt-bindings: memory-controllers: mediatek,smi-larb: add mt8365
dt-bindings: memory-controllers: mediatek,smi-common: add mt8365
memory: tegra: read values from correct device
dt-bindings: crypto: Add Qualcomm Inline Crypto Engine
soc: qcom: Make the Qualcomm UFS/SDCC ICE a dedicated driver
dt-bindings: firmware: document Qualcomm QCM2290 SCM
soc: qcom: rpmh-rsc: Support RSC v3 minor versions
soc: qcom: smd-rpm: Use GFP_ATOMIC in write path
soc/tegra: fuse: Remove nvmem root only access
soc/tegra: cbb: tegra194: Use of_address_count() helper
soc/tegra: cbb: Remove MODULE_LICENSE in non-modules
ARM: tegra: Remove MODULE_LICENSE in non-modules
soc/tegra: flowctrl: Use devm_platform_get_and_ioremap_resource()
soc: tegra: cbb: Drop empty platform remove function
firmware: arm_scmi: Add support for unidirectional mailbox channels
dt-bindings: firmware: arm,scmi: Support mailboxes unidirectional channels
...
The Oxford Semiconductor OX810/OX820 "oxnas" platform gets retired
after the ARM11MPcore processor keeps causing problems in certain corner
cases. OX820 was the only remaining SoC with this core after CNS3xxx got
retired, and its driver support for never completely merged upstream. The
Arm "Realview" reference platform still supports ARM11MPCore in principle,
but this was never a product, and the CPU support will get cleaned up
later on.
Another series updates the mv78xx0 platform, which has been similarly
neglected for a while, but should work properly again now.
The other changes are minor cleanups across platforms, mostly converting
code to more modern interfaces for DT nodes and removing some more code
as a follow-up to the large-scale platform removal in linux-6.3.
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Merge tag 'soc-arm-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"The Oxford Semiconductor OX810/OX820 'Oxnas' platform gets retired
after the ARM11MPcore processor keeps causing problems in certain
corner cases. OX820 was the only remaining SoC with this core after
CNS3xxx got retired, and its driver support was never completely
merged upstream. The Arm 'Realview' reference platform still supports
ARM11MPCore in principle, but this was never a product, and the CPU
support will get cleaned up later on.
Another series updates the mv78xx0 platform, which has been similarly
neglected for a while, but should work properly again now.
The other changes are minor cleanups across platforms, mostly
converting code to more modern interfaces for DT nodes and removing
some more code as a follow-up to the large-scale platform removal in
linux-6.3"
* tag 'soc-arm-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (28 commits)
ARM: mv78xx0: fix entries for gpios, buttons and usb ports
ARM: mv78xx0: add code to enable XOR and CRYPTO engines on mv78xx0
ARM: mv78xx0: set the correct driver for the i2c RTC
ARM: mv78xx0: adjust init logic for ts-wxl to reflect single core dev
soc: fsl: Use of_property_present() for testing DT property presence
ARM: pxa: Use of_property_read_bool() for boolean properties
firmware: turris-mox-rwtm: make kobj_type structure constant
ARM: oxnas: remove OXNAS support
ARM: sh-mobile: Use of_cpu_node_to_id() to read CPU node 'reg'
ARM: OMAP2+: hwmod: Use kzalloc for allocating only one element
ARM: OMAP2+: Remove the unneeded result variable
ARM: OMAP2+: fix repeated words in comments
ARM: OMAP2+: remove obsolete config OMAP3_SDRC_AC_TIMING
ARM: OMAP2+: Use of_address_to_resource()
ARM: OMAP2+: Use of_property_read_bool() for boolean properties
ARM: omap1: remove redundant variables err
ARM: omap1: Kconfig: Fix indentation
ARM: bcm: Use of_address_to_resource()
ARM: mstar: remove unused config MACH_MERCURY
ARM: spear: remove obsolete config MACH_SPEAR600
...
- Core:
- Add tracepoints for tasklet callbacks which makes it possible to
analyze individual tasklet functions instead of guess working
from the overall duration of tasklet processing
- Ensure that secondary interrupt threads have their affinity adjusted
correctly.
- Drivers:
- A large rework of the RISC-V IPI management to prepare for a new
RISC-V interrupt architecture
- Small fixes and enhancements all over the place
- Removal of support for various obsolete hardware platforms and the
related code
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Merge tag 'irq-core-2023-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt updates from Thomas Gleixner:
"Core:
- Add tracepoints for tasklet callbacks which makes it possible to
analyze individual tasklet functions instead of guess working from
the overall duration of tasklet processing
- Ensure that secondary interrupt threads have their affinity
adjusted correctly
Drivers:
- A large rework of the RISC-V IPI management to prepare for a new
RISC-V interrupt architecture
- Small fixes and enhancements all over the place
- Removal of support for various obsolete hardware platforms and the
related code"
* tag 'irq-core-2023-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
irqchip/st: Remove stih415/stih416 and stid127 platforms support
irqchip/gic-v3: Add Rockchip 3588001 erratum workaround
genirq: Update affinity of secondary threads
softirq: Add trace points for tasklet entry/exit
irqchip/loongson-pch-pic: Fix pch_pic_acpi_init calling
irqchip/loongson-pch-pic: Fix registration of syscore_ops
irqchip/loongson-eiointc: Fix registration of syscore_ops
irqchip/loongson-eiointc: Fix incorrect use of acpi_get_vec_parent
irqchip/loongson-eiointc: Fix returned value on parsing MADT
irqchip/riscv-intc: Add empty irq_eoi() for chained irq handlers
RISC-V: Use IPIs for remote icache flush when possible
RISC-V: Use IPIs for remote TLB flush when possible
RISC-V: Allow marking IPIs as suitable for remote FENCEs
RISC-V: Treat IPIs as normal Linux IRQs
irqchip/riscv-intc: Allow drivers to directly discover INTC hwnode
RISC-V: Clear SIP bit only when using SBI IPI operations
irqchip/irq-sifive-plic: Add syscore callbacks for hibernation
irqchip: Use of_property_read_bool() for boolean properties
irqchip/bcm-6345-l1: Request memory region
irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4
...
* irq/gic-6.4:
: .
: Collection of GIC/GICv3 fixes and cleanups
:
: - Workaround for the nvidia T241 chip that gets confused
: in 3 and 4 socket configurations, leading to the GIC
: malfunctionning in some contexts
:
: - Drop support for non-firmware driven GIC configurarations
: now that the old ARM11MP Cavium board is gone
:
: - Workaround for the Rockchip 3588 chip that doesn't
: correctly deal with the shareability attributes.
: .
irqchip/gic-v3: Add Rockchip 3588001 erratum workaround
irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4
irqchip/gic: Drop support for board files
Signed-off-by: Marc Zyngier <maz@kernel.org>
Some legacy BIOSes report no reserved bits in their 32-bit rgb mode,
breaking the calculation of bits_per_pixel in commit f35cd3fa77
("firmware/sysfb: Fix EFI/VESA format selection"). However they report
lfb_depth correctly for those modes. Keep the computation but
set bits_per_pixel to lfb_depth if the latter is larger.
v2 fixes the warnings from a max3() macro with arguments of different
types; split the bits_per_pixel assignment to avoid uglyfing the code
with too many typecasts.
v3 fixes space and formatting blips pointed out by Javier, and change
the bit_per_pixel assignment back to a single statement using two casts.
v4 go back to v2 and use max_t()
Signed-off-by: Pierre Asselin <pa@panix.com>
Fixes: f35cd3fa77 ("firmware/sysfb: Fix EFI/VESA format selection")
Link: https://lore.kernel.org/r/4Psm6B6Lqkz1QXM@panix3.panix.com
Link: https://lore.kernel.org/r/20230412150225.3757223-1-javierm@redhat.com
Tested-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230419044834.10816-1-pa@panix.com
Add some plumbing to the zboot EFI header generation to set the newly
introduced DllCharacteristicsEx flag associated with forward edge CFI
enforcement instructions (BTI on arm64, IBT on x86)
x86 does not currently uses the zboot infrastructure, so let's wire it
up only for arm64.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
We don't really care about the size of the decompressed image - what
matters is how much space needs to be allocated for the image to
execute, and this includes space for BSS that is not part of the
loadable image and so it is not accounted for in the decompressed size.
So let's add some zero padding to the end of the image: this compresses
well, and it ensures that BSS is accounted for, and as a bonus, it will
be zeroed before launching the image.
Since all architectures that implement support for EFI zboot carry this
value in the header in the same location, we can just grab it from the
binary that is being compressed.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
UEFI heavily relies on so-called protocols, which are essentially
tables populated with pointers to executable code, and these are invoked
indirectly using BR or BLR instructions.
This makes the EFI execution context vulnerable to attacks on forward
edge control flow, and so it would help if we could enable hardware
enforcement (BTI) on CPUs that implement it.
So let's no longer disable BTI codegen for the EFI stub, and set the
newly introduced PE/COFF header flag when the kernel is built with BTI
landing pads.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
The svc_create_memory_pool() function returns error pointers. It never
returns NULL. Fix the check.
Fixes: 7ca5ce8965 ("firmware: add Intel Stratix10 service layer driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/5f9a8cb4-5a4f-460b-9cdc-2fae6c5b7922@kili.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fundamentally semaphores are a counted primitive, but
DEFINE_SEMAPHORE() does not expose this and explicitly creates a
binary semaphore.
Change DEFINE_SEMAPHORE() to take a number argument and use that in the
few places that open-coded it using __SEMAPHORE_INITIALIZER().
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
[mcgrof: add some tribal knowledge about why some folks prefer
binary sempahores over mutexes]
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
The main and only new addition this time around is the support for
unidirectional mailbox channels. SCMI communicates between the agent
and the platform using one bidirectional 'a2p' channel used by the agent
to send SCMI commands and synchronously receive the related replies, and
an optional 'p2a' unidirectional channel used to asynchronously receive
delayed responses and notifications emitted from the platform.
In order to support platforms that support only unidirectional mailbox
hardware channels, the existing bindings are extended to support the
same. Both bidirectional and unidirectional channels support for the
SCMI mailbox can coexist. The correct and effective combination of
defined 'mboxes' and 'shmem' descriptors determines the type of the
mailbox channel.
This also contains a fix for the transfers allocation on Rx channel
especially when the base protocol doesn't use Rx channel while some
of the protocols can have dedicated Rx channels.
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Merge tag 'scmi-updates-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers
Arm SCMI updates for v6.4
The main and only new addition this time around is the support for
unidirectional mailbox channels. SCMI communicates between the agent
and the platform using one bidirectional 'a2p' channel used by the agent
to send SCMI commands and synchronously receive the related replies, and
an optional 'p2a' unidirectional channel used to asynchronously receive
delayed responses and notifications emitted from the platform.
In order to support platforms that support only unidirectional mailbox
hardware channels, the existing bindings are extended to support the
same. Both bidirectional and unidirectional channels support for the
SCMI mailbox can coexist. The correct and effective combination of
defined 'mboxes' and 'shmem' descriptors determines the type of the
mailbox channel.
This also contains a fix for the transfers allocation on Rx channel
especially when the base protocol doesn't use Rx channel while some
of the protocols can have dedicated Rx channels.
* tag 'scmi-updates-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: Add support for unidirectional mailbox channels
dt-bindings: firmware: arm,scmi: Support mailboxes unidirectional channels
firmware: arm_scmi: Fix xfers allocation on Rx channel
firmware: arm_scmi: Use the bitmap API to allocate bitmaps
firmware: arm_scmi: Fix device node validation for mailbox transport
firmware: arm_scmi: Fix raw coexistence mode behaviour on failure path
firmware: arm_scmi: Remove duplicate include header inclusion
firmware: arm_scmi: Return a literal instead of a variable
firmware: arm_scmi: Clean up a return statement in scmi_probe
Link: https://lore.kernel.org/r/20230417145743.1904318-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The Qualcomm SCM driver will now always clear the download bit, avoiding
entering download mode on a clean reboot because the bootloader left it
set. The vmid bitmap passed to qcom_scm_assign_mem() is transitioned to
a well defined size. SM6375 support is added, and SC8180X,
QDU1000/QRU1000, IPQ5332 and IPQ9574 compatibles are documented.
GENI gains support for newer hardware with deeper FIFOs.
The BWMON driver is updated to better handle the two register blocks,
which are not consistent between MSM8998 and newer platforms.
The LLCC driver no longer assumes a fixes stride across the various
banks, and instead acquire the bank placement from DeviceTree. EDAC
support for polling is introduced. EDAC support on SDM845 is disabled,
as its been observed that accessing relevant registers is not permitted
on most devices.
PMIC GLINK is reworked to support defining which auxiliary children to
spawn per platform, support for spawning a UCSI child is added and
SM8450 and SM8550 is introduced.
The RPM power-domain driver is cleaned up by moving and generalizing
structures that are common between platforms, rather than duplicating
everything. Macros are replaced with just direct definition of the
relevant structures. Support for defining parent relationships between
the power-domains is introduced, like it has been in rpmhpd for a long
time.
Number of processors has gone up, so max processor count in SMEM
is bumped again. Error handling in SMSM is cleaned up using
dev_err_probe().
Socinfo is taught about IPQ9574, QCM2290, QRB2210, QRB4210, SM7150,
SA8775P and a number of PMICs.
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Merge tag 'qcom-drivers-for-6.4' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v6.4
The Qualcomm SCM driver will now always clear the download bit, avoiding
entering download mode on a clean reboot because the bootloader left it
set. The vmid bitmap passed to qcom_scm_assign_mem() is transitioned to
a well defined size. SM6375 support is added, and SC8180X,
QDU1000/QRU1000, IPQ5332 and IPQ9574 compatibles are documented.
GENI gains support for newer hardware with deeper FIFOs.
The BWMON driver is updated to better handle the two register blocks,
which are not consistent between MSM8998 and newer platforms.
The LLCC driver no longer assumes a fixes stride across the various
banks, and instead acquire the bank placement from DeviceTree. EDAC
support for polling is introduced. EDAC support on SDM845 is disabled,
as its been observed that accessing relevant registers is not permitted
on most devices.
PMIC GLINK is reworked to support defining which auxiliary children to
spawn per platform, support for spawning a UCSI child is added and
SM8450 and SM8550 is introduced.
The RPM power-domain driver is cleaned up by moving and generalizing
structures that are common between platforms, rather than duplicating
everything. Macros are replaced with just direct definition of the
relevant structures. Support for defining parent relationships between
the power-domains is introduced, like it has been in rpmhpd for a long
time.
Number of processors has gone up, so max processor count in SMEM
is bumped again. Error handling in SMSM is cleaned up using
dev_err_probe().
Socinfo is taught about IPQ9574, QCM2290, QRB2210, QRB4210, SM7150,
SA8775P and a number of PMICs.
* tag 'qcom-drivers-for-6.4' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (51 commits)
dt-bindings: firmware: document Qualcomm SC8180X SCM
dt-bindings: sram: qcom,imem: document SM6375 IMEM
soc: qcom: icc-bwmon: Handle global registers correctly
soc: qcom: icc-bwmon: Remove unused struct member
soc: qcom: smsm: Use dev_err_probe()
firmware: qcom_scm: Add SM6375 compatible
soc: qcom: llcc: Add configuration data for SM7150
dt-bindings: arm: msm: Add LLCC for SM7150
dt-bindings: soc: qcom: smd-rpm: re-add missing qcom,rpm-msm8994
soc: qcom: pmic_glink: register ucsi aux device
dt-bindings: soc: qcom: qcom,pmic-glink: document SM8550 compatible
dt-bindings: soc: qcom: qcom,pmic-glink: document SM8450 compatible
firmware: qcom_scm: Clear download bit during reboot
dt-bindings: soc: qcom: aoss: Document QDU1000/QRU1000 compatible
dt-bindings: firmware: qcom,scm: Update QDU1000/QRU1000 compatible
dt-bindings: soc: qcom: smd-rpm: Add IPQ9574 compatible
firmware: qcom_scm: Use fixed width src vm bitmap
dt-bindings: firmware: qcom,scm: document IPQ5332 SCM
dt-bindings: scm: Add compatible for IPQ9574
soc: qcom: rpmpd: Remove useless comments
...
Link: https://lore.kernel.org/r/20230410152421.4477-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Use dev_err_probe() for imx-scu driver to silences EPROBE_DEFER
messages.
- Add LVDS LPI2C and PWM power domains for scu-pd driver.
- A series from Jindong Yue to support module build of imx8m soc driver.
- Update imx8m-blk-ctrl driver to scan child nodes for binding drivers.
- Reorder structure members in imx8m-blk-ctrl driver by following
clang-analyzer suggestion.
- Update imx-weim bus driver to use helper function for "ranges"
parsing.
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Merge tag 'imx-drivers-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into soc/drivers
i.MX drivers update for 6.4:
- Use dev_err_probe() for imx-scu driver to silences EPROBE_DEFER
messages.
- Add LVDS LPI2C and PWM power domains for scu-pd driver.
- A series from Jindong Yue to support module build of imx8m soc driver.
- Update imx8m-blk-ctrl driver to scan child nodes for binding drivers.
- Reorder structure members in imx8m-blk-ctrl driver by following
clang-analyzer suggestion.
- Update imx-weim bus driver to use helper function for "ranges"
parsing.
* tag 'imx-drivers-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: imx8m-blk-ctrl: reordering the fields
soc: imx8m: Support building imx8m soc driver as module
soc: imx8m: Add MODULE_LICENSE
soc: imx: imx8m-blk-ctrl: Add MODULE_LICENSE
soc: imx: imx8m-blk-ctrl: Use dev_pm_domain_attach_by_name
soc: imx: imx8mp-blk-ctrl: Add MODULE_LICENSE
soc: imx: imx8mp-blk-ctrl: Fix typo of imx8m_blk_ctrl_of_match
soc: imx: imx8mp-blk-ctrl: Use dev_pm_domain_attach_by_name
soc: imx: imx8m-blk-ctrl: Scan subnodes and bind drivers to them
firmware: imx: scu-pd: add missed lvds lpi2c and pwm power domains
bus: imx-weim: Remove open coded "ranges" parsing
firmware: imx: scu: use dev_err_probe
Link: https://lore.kernel.org/r/20230408101928.280271-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This contains minor fixes and cleanups. Note that one of the patches
here includes ARM firmware changes, but I picked that up after checking
with Sudeep and Rob because it didn't seem worth splitting it up any
further.
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Merge tag 'tegra-for-6.4-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
soc/tegra: Changes for v6.4-rc1
This contains minor fixes and cleanups. Note that one of the patches
here includes ARM firmware changes, but I picked that up after checking
with Sudeep and Rob because it didn't seem worth splitting it up any
further.
* tag 'tegra-for-6.4-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
firmware: Use of_property_present() for testing DT property presence
firmware: tegra: bpmp: Fix error paths in debugfs
Link: https://lore.kernel.org/r/20230406124804.970394-3-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
On some Qualcomm platforms, like SC8280XP, the attempt to set PC mode
during boot fails with PSCI_RET_DENIED and since commit 998fcd001f
("firmware/psci: Print a warning if PSCI doesn't accept PC mode") this
is now logged at warning level:
psci: failed to set PC mode: -3
As there is nothing users can do about the firmware behaving this way,
demote the warning to info level and clearly mark it as a firmware bug:
psci: [Firmware Bug]: failed to set PC mode: -3
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Acked-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Since commit 8b41fc4454 ("kbuild: create modules.builtin without
Makefile.modbuiltin or tristate.conf"), MODULE_LICENSE declarations
are used to identify modules. As a consequence, uses of the macro
in non-modules will cause modprobe to misidentify their containing
object file as a module when it is not (false positives), and modprobe
might succeed rather than failing with a suitable error message.
So remove it in the files in this commit, none of which can be built as
modules.
Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Suggested-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: linux-modules@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Hitomi Hasegawa <hasegawa-hitomi@fujitsu.com>
Cc: "Rafał Miłecki" <zajec5@gmail.com>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
The T241 platform suffers from the T241-FABRIC-4 erratum which causes
unexpected behavior in the GIC when multiple transactions are received
simultaneously from different sources. This hardware issue impacts
NVIDIA server platforms that use more than two T241 chips
interconnected. Each chip has support for 320 {E}SPIs.
This issue occurs when multiple packets from different GICs are
incorrectly interleaved at the target chip. The erratum text below
specifies exactly what can cause multiple transfer packets susceptible
to interleaving and GIC state corruption. GIC state corruption can
lead to a range of problems, including kernel panics, and unexpected
behavior.
>From the erratum text:
"In some cases, inter-socket AXI4 Stream packets with multiple
transfers, may be interleaved by the fabric when presented to ARM
Generic Interrupt Controller. GIC expects all transfers of a packet
to be delivered without any interleaving.
The following GICv3 commands may result in multiple transfer packets
over inter-socket AXI4 Stream interface:
- Register reads from GICD_I* and GICD_N*
- Register writes to 64-bit GICD registers other than GICD_IROUTERn*
- ITS command MOVALL
Multiple commands in GICv4+ utilize multiple transfer packets,
including VMOVP, VMOVI, VMAPP, and 64-bit register accesses."
This issue impacts system configurations with more than 2 sockets,
that require multi-transfer packets to be sent over inter-socket
AXI4 Stream interface between GIC instances on different sockets.
GICv4 cannot be supported. GICv3 SW model can only be supported
with the workaround. Single and Dual socket configurations are not
impacted by this issue and support GICv3 and GICv4."
Link: https://developer.nvidia.com/docs/t241-fabric-4/nvidia-t241-fabric-4-errata.pdf
Writing to the chip alias region of the GICD_In{E} registers except
GICD_ICENABLERn has an equivalent effect as writing to the global
distributor. The SPI interrupt deactivate path is not impacted by
the erratum.
To fix this problem, implement a workaround that ensures read accesses
to the GICD_In{E} registers are directed to the chip that owns the
SPI, and disable GICv4.x features. To simplify code changes, the
gic_configure_irq() function uses the same alias region for both read
and write operations to GICD_ICFGR.
Co-developed-by: Vikram Sethi <vsethi@nvidia.com>
Signed-off-by: Vikram Sethi <vsethi@nvidia.com>
Signed-off-by: Shanker Donthineni <sdonthineni@nvidia.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com> (for SMCCC/SOC ID bits)
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230319024314.3540573-2-sdonthineni@nvidia.com
Since commit ee6d3dd4ed ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.
Take advantage of this to constify the structure definition to prevent
modification at runtime.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Since Linux-6.3, LoongArch supports PIE kernel now, so let's reintroduce
efi_relocate_kernel() to relocate the core kernel.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Extend the SCMI transport layer to support mailbox controllers that expose
communication channels that are unidirectional by nature.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20230404115026.2828149-3-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties. As
part of this, convert of_get_property/of_find_property calls to the
recently added of_property_present() helper when we just want to test
for presence of a property and nothing more.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Some error paths in mrq_debug_read and bpmp_debug_show would overwrite
the return error code with a subsequent call to mrq_debug_close.
Change the code to only change the error code if there was no prior
error.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The file named 'controls' in the DSP's debugfs root contains a
formatted table describing the controls defined within the loaded DSP
firmware, it is of the form
name: len region:offset addr fwname algid ctltype flags en dirty
Where flags is represented as a character for each flag if set, or '-',
enabled is whether the control is enabled or disabled and dirty is
whether the control value is set in the cache but not the hardware.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230328131018.6820-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Running a preempt-rt (v6.2-rc3-rt1) based kernel on an Ampere Altra
triggers:
BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:46
in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 24, name: cpuhp/0
preempt_count: 0, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by cpuhp/0/24:
#0: ffffda30217c70d0 (cpu_hotplug_lock){++++}-{0:0}, at: cpuhp_thread_fun+0x5c/0x248
#1: ffffda30217c7120 (cpuhp_state-up){+.+.}-{0:0}, at: cpuhp_thread_fun+0x5c/0x248
#2: ffffda3021c711f0 (sdei_list_lock){....}-{3:3}, at: sdei_cpuhp_up+0x3c/0x130
irq event stamp: 36
hardirqs last enabled at (35): [<ffffda301e85b7bc>] finish_task_switch+0xb4/0x2b0
hardirqs last disabled at (36): [<ffffda301e812fec>] cpuhp_thread_fun+0x21c/0x248
softirqs last enabled at (0): [<ffffda301e80b184>] copy_process+0x63c/0x1ac0
softirqs last disabled at (0): [<0000000000000000>] 0x0
CPU: 0 PID: 24 Comm: cpuhp/0 Not tainted 5.19.0-rc3-rt5-[...]
Hardware name: WIWYNN Mt.Jade Server [...]
Call trace:
dump_backtrace+0x114/0x120
show_stack+0x20/0x70
dump_stack_lvl+0x9c/0xd8
dump_stack+0x18/0x34
__might_resched+0x188/0x228
rt_spin_lock+0x70/0x120
sdei_cpuhp_up+0x3c/0x130
cpuhp_invoke_callback+0x250/0xf08
cpuhp_thread_fun+0x120/0x248
smpboot_thread_fn+0x280/0x320
kthread+0x130/0x140
ret_from_fork+0x10/0x20
sdei_cpuhp_up() is called in the STARTING hotplug section,
which runs with interrupts disabled. Use a CPUHP_AP_ONLINE_DYN entry
instead to execute the cpuhp cb later, with preemption enabled.
SDEI originally got its own cpuhp slot to allow interacting
with perf. It got superseded by pNMI and this early slot is not
relevant anymore. [1]
Some SDEI calls (e.g. SDEI_1_0_FN_SDEI_PE_MASK) take actions on the
calling CPU. It is checked that preemption is disabled for them.
_ONLINE cpuhp cb are executed in the 'per CPU hotplug thread'.
Preemption is enabled in those threads, but their cpumask is limited
to 1 CPU.
Move 'WARN_ON_ONCE(preemptible())' statements so that SDEI cpuhp cb
don't trigger them.
Also add a check for the SDEI_1_0_FN_SDEI_PRIVATE_RESET SDEI call
which acts on the calling CPU.
[1]:
https://lore.kernel.org/all/5813b8c5-ae3e-87fd-fccc-94c9cd08816d@arm.com/
Suggested-by: James Morse <james.morse@arm.com>
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20230216084920.144064-1-pierre.gondois@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
In some meson boards, secure monitor device has children, for example,
power secure controller. By default, secure monitor isn't the bus in terms
of device tree subsystem, so the of_platform initialization code doesn't
populate its device tree data. As a result, secure monitor's children
aren't probed at all.
Run the 'of_platform_populate()' routine manually to resolve such issues.
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20230324145557.27797-1-ddrokosov@sberdevices.ru
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Two distinct pools of xfer descriptors are allocated at initialization
time: one (Tx) used to provide xfers to track commands and their replies
(or delayed replies) and another (Rx) to pick xfers from to be used for
processing notifications.
Such pools, though, are allocated globally to be used by the whole SCMI
instance, they are not allocated per-channel and as such the allocation of
notifications xfers cannot be simply skipped if no Rx channel was found for
the base protocol common channel, because there could be defined more
optional per-protocol dedicated channels that instead support Rx channels.
Change the conditional check to skip allocation for the notification pool
only if no Rx channel has been detected on any per-channel protocol at all.
Fixes: 4ebd8f6dea ("firmware: arm_scmi: Add receive buffer support for notifications")
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20230326203449.3492948-1-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
As usual, most of the bug fixes address issues in the devicetree files,
and out of these, most are for the Qualcomm and NXP platforms, including:
- A missing "reserved-memory" property on LG G Watch R that
is needed to prevent clashing with firmware
- Annotations for cache coherency on multiple machines
- Corrections for pinctrl, regulator, clock, iommu and power domain
properties for i.MX and Qualcomm to correctly reflect the
hardware settings
- Firmware file names on multiple machines
SA8540P Ride board
- An incompatible change to the qcom vadc driver requires adding
individual labels
- Fix EQoS PHY reset GPIO by dropping the deprecated/wrong property
and switch to the new bindings.
- A fix for PCI bus address translation Tegra194 and Tegra234.
There are also a couple of device driver fixes, addressing
- A race condition in the amdtee driver
- A performance regression in the Qualcomm 'llcc' driver
- An unitialized variable use NXP i.MX "weim" driver
- Error handling issues in Qualcomm "rmtfs", and "scm"
drivers and the Arm scmi firmware driver
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Merge tag 'arm-fixes-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"As usual, most of the bug fixes address issues in the devicetree
files, and out of these, most are for the Qualcomm and NXP platforms,
including:
- A missing 'reserved-memory' property on LG G Watch R that is needed
to prevent clashing with firmware
- Annotations for cache coherency on multiple machines
- Corrections for pinctrl, regulator, clock, iommu and power domain
properties for i.MX and Qualcomm to correctly reflect the hardware
settings
- Firmware file names on multiple machines SA8540P Ride board
- An incompatible change to the qcom vadc driver requires adding
individual labels
- Fix EQoS PHY reset GPIO by dropping the deprecated/wrong property
and switch to the new bindings.
- A fix for PCI bus address translation Tegra194 and Tegra234.
There are also a couple of device driver fixes, addressing:
- A race condition in the amdtee driver
- A performance regression in the Qualcomm 'llcc' driver
- An unitialized variable use NXP i.MX 'weim' driver
- Error handling issues in Qualcomm 'rmtfs', and 'scm' drivers and
the Arm scmi firmware driver"
* tag 'arm-fixes-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (48 commits)
arm64: dts: qcom: sc8280xp-x13s: mark bob regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s12b regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s10b regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s11b regulator as always-on
arm64: dts: imx93: add missing #address-cells and #size-cells to i2c nodes
bus: imx-weim: fix branch condition evaluates to a garbage value
arm64: dts: imx8mn: specify #sound-dai-cells for SAI nodes
ARM: dts: imx6sl: tolino-shine2hd: fix usbotg1 pinctrl
ARM: dts: imx6sll: e60k02: fix usbotg1 pinctrl
ARM: dts: imx6sll: e70k02: fix usbotg1 pinctrl
arm64: dts: imx93: Fix eqos properties
arm64: dts: imx8mp: Fix LCDIF2 node clock order
arm64: dts: imx8mm-nitrogen-r2: fix WM8960 clock name
arm64: dts: imx8dxl-evk: Fix eqos phy reset gpio
firmware: qcom: scm: fix bogus irq error at probe
arm64: dts: qcom: sm8550: Mark UFS controller as cache coherent
arm64: dts: qcom: sa8540p-ride: correct name of remoteproc_nsp0 firmware
arm64: dts: qcom: sm8450: Mark UFS controller as cache coherent
arm64: dts: qcom: sm8350: Mark UFS controller as cache coherent
arm64: dts: qcom: sm8550: fix LPASS pinctrl slew base address
...
- Set the NX compat flag for arm64 and zboot, to ensure compatibility
with EFI firmware that complies with tightening requirements imposed
across the ecosystem.
- Improve identification of Ampere Altra systems based on SMBIOS data.
- Fix some issues related to the EFI framebuffer that were introduced
as a result from some refactoring related to zboot and the merge with
sysfb.
- Makefile tweak to avoid rebuilding vmlinuz unnecessarily.
- Fix efi_random_alloc() return value on out of memory condition.
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Merge tag 'efi-fixes-for-v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
- Set the NX compat flag for arm64 and zboot, to ensure compatibility
with EFI firmware that complies with tightening requirements imposed
across the ecosystem.
- Improve identification of Ampere Altra systems based on SMBIOS data.
- Fix some issues related to the EFI framebuffer that were introduced
as a result from some refactoring related to zboot and the merge with
sysfb.
- Makefile tweak to avoid rebuilding vmlinuz unnecessarily.
- Fix efi_random_alloc() return value on out of memory condition.
* tag 'efi-fixes-for-v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/libstub: randomalloc: Return EFI_OUT_OF_RESOURCES on failure
efi/libstub: Use relocated version of kernel's struct screen_info
efi/libstub: zboot: Add compressed image to make targets
efi: sysfb_efi: Add quirk for Lenovo Yoga Book X91F/L
efi: sysfb_efi: Fix DMI quirks not working for simpledrm
efi/libstub: smbios: Drop unused 'recsize' parameter
arm64: efi: Use SMBIOS processor version to key off Ampere quirk
efi/libstub: smbios: Use length member instead of record struct size
efi: earlycon: Reprobe after parsing config tables
arm64: efi: Set NX compat flag in PE/COFF header
efi/libstub: arm64: Remap relocated image with strict permissions
efi/libstub: zboot: Mark zboot EFI application as NX compatible
Support for the secure world interrupting the SCM driver drive the wait
queue mechanism was recently introduced, but most platforms doesn't have
this mechanism and an error should not be printed in the log.
The rmtfs_mem driver recently gained support for assigning the region to
multiple VMIDs, but accidentally removed the support for running without
assignment. A couple of changes are introducd to correct this.
The SC8280XP LLCC slice configuration is wrong, reslting in incorrect
configuration of the hardware. The table is corrected, based on the
datasheet.
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Merge tag 'qcom-driver-fixes-for-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/fixes
Qualcomm driver fixes for v6.3
Support for the secure world interrupting the SCM driver drive the wait
queue mechanism was recently introduced, but most platforms doesn't have
this mechanism and an error should not be printed in the log.
The rmtfs_mem driver recently gained support for assigning the region to
multiple VMIDs, but accidentally removed the support for running without
assignment. A couple of changes are introducd to correct this.
The SC8280XP LLCC slice configuration is wrong, reslting in incorrect
configuration of the hardware. The table is corrected, based on the
datasheet.
* tag 'qcom-driver-fixes-for-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
firmware: qcom: scm: fix bogus irq error at probe
soc: qcom: rmtfs: handle optional qcom,vmid correctly
soc: qcom: rmtfs: fix error handling reading qcom,vmid
soc: qcom: llcc: Fix slice configuration values for SC8280XP
Link: https://lore.kernel.org/r/20230323142505.1086072-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The logic in efi_random_alloc() will iterate over the memory map twice,
once to count the number of candidate slots, and another time to locate
the chosen slot after randomization.
If there is insufficient memory to do the allocation, the second loop
will run to completion without actually having located a slot, but we
currently return EFI_SUCCESS in this case, as we fail to initialize
status to the appropriate error value of EFI_OUT_OF_RESOURCES.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
In some cases, we expose the kernel's struct screen_info to the EFI stub
directly, so it gets populated before even entering the kernel. This
means the early console is available as soon as the early param parsing
happens, which is nice. It also means we need two different ways to pass
this information, as this trick only works if the EFI stub is baked into
the core kernel image, which is not always the case.
Huacai reports that the preparatory refactoring that was needed to
implement this alternative method for zboot resulted in a non-functional
efifb earlycon for other cases as well, due to the reordering of the
kernel image relocation with the population of the screen_info struct,
and the latter now takes place after copying the image to its new
location, which means we copy the old, uninitialized state.
So let's ensure that the same-image version of alloc_screen_info()
produces the correct screen_info pointer, by taking the displacement of
the loaded image into account.
Reported-by: Huacai Chen <chenhuacai@loongson.cn>
Tested-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://lore.kernel.org/linux-efi/20230310021749.921041-1-chenhuacai@loongson.cn/
Fixes: 42c8ea3dca ("efi: libstub: Factor out EFI stub entrypoint into separate file")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
While it was introduced in bindings, requiring a core clock, and added
into the DT, this compatible was apparently forgotten about on the driver
side of things. Fix it.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230307012247.3655547-1-konrad.dybcio@linaro.org
Avoid needlessly rebuilding the compressed image by adding the file
'vmlinuz' to the 'targets' Kbuild make variable.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
When a DSP can self-boot from ROM it is not necessary to download
firmware during the powering up sequence.
A DSP that required firmware download would fail in a previous
configuration step if firmware was not available.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230320112245.115720-4-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
There are devices containing Halo Core DSPs that self-boot, cs_dsp is
used to manage the running firmware but the host does not have direct
control over starting and stopping the DSP and so cs_dsp should consider
the DSP to be always running.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230320112245.115720-2-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
We need the mainline fixes in this branch for testing and other
subsystem changes to be based properly on.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
During normal restart of a system download bit should
be cleared irrespective of whether download mode is
set or not.
Fixes: 8c1b7dc9ba ("firmware: qcom: scm: Expose download-mode control")
Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/1678979666-551-1-git-send-email-quic_mojha@quicinc.com
Another Lenovo convertable which reports a landscape resolution of
1920x1200 with a pitch of (1920 * 4) bytes, while the actual framebuffer
has a resolution of 1200x1920 with a pitch of (1200 * 4) bytes.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Commit 8633ef82f1 ("drivers/firmware: consolidate EFI framebuffer setup
for all arches") moved the sysfb_apply_efi_quirks() call in sysfb_init()
from before the [sysfb_]parse_mode() call to after it.
But sysfb_apply_efi_quirks() modifies the global screen_info struct which
[sysfb_]parse_mode() parses, so doing it later is too late.
This has broken all DMI based quirks for correcting wrong firmware efifb
settings when simpledrm is used.
To fix this move the sysfb_apply_efi_quirks() call back to its old place
and split the new setup of the efifb_fwnode (which requires
the platform_device) into its own function and call that at
the place of the moved sysfb_apply_efi_quirks(pd) calls.
Fixes: 8633ef82f1 ("drivers/firmware: consolidate EFI framebuffer setup for all arches")
Cc: stable@vger.kernel.org
Cc: Javier Martinez Canillas <javierm@redhat.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
We no longer use the recsize argument for locating the string table in
an SMBIOS record, so we can drop it from the internal API.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Instead of using the SMBIOS type 1 record 'family' field, which is often
modified by OEMs, use the type 4 'processor ID' and 'processor version'
fields, which are set to a small set of probe-able values on all known
Ampere EFI systems in the field.
Fixes: 550b33cfd4 ("arm64: efi: Force the use of ...")
Tested-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
The type 1 SMBIOS record happens to always be the same size, but there
are other record types which have been augmented over time, and so we
should really use the length field in the header to decide where the
string table starts.
Fixes: 550b33cfd4 ("arm64: efi: Force the use of ...")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
The maximum VMID for assign_mem is 63. Use a u64 to represent this
bitmap instead of architecture-dependent "unsigned int" which varies in
size on 32-bit and 64-bit platforms.
Acked-by: Kalle Valo <kvalo@kernel.org> (ath10k)
Tested-by: Gokul krishna Krishnakumar <quic_gokukris@quicinc.com>
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230213181832.3489174-1-quic_eberman@quicinc.com
Commit 732ea9db9d ("efi: libstub: Move screen_info handling to common
code") reorganized the earlycon handling so that all architectures pass
the screen_info data via a EFI config table instead of populating struct
screen_info directly, as the latter is only possible when the EFI stub
is baked into the kernel (and not into the decompressor).
However, this means that struct screen_info may not have been populated
yet by the time the earlycon probe takes place, and this results in a
non-functional early console.
So let's probe again right after parsing the config tables and
populating struct screen_info. Note that this means that earlycon output
starts a bit later than before, and so it may fail to capture issues
that occur while doing the early EFI initialization.
Fixes: 732ea9db9d ("efi: libstub: Move screen_info handling to common code")
Reported-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
After relocating the executable image, use the EFI memory attributes
protocol to remap the code and data regions with the appropriate
permissions.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Now that the zboot loader will invoke the EFI memory attributes protocol
to remap the decompressed code and rodata as read-only/executable, we
can set the PE/COFF header flag that indicates to the firmware that the
application does not rely on writable memory being executable at the
same time.
Cc: <stable@vger.kernel.org> # v6.2+
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
A recent commit added support for an optional interrupt which is only
available on some platforms.
Stop spamming the logs with bogus error messages on platforms that do
not use this new optional resource:
qcom_scm firmware:scm: error -ENXIO: IRQ index 0 not found
Fixes: 6bf3259922 ("firmware: qcom: scm: Add wait-queue handling logic")
Cc: Guru Das Srinagesh <quic_gurus@quicinc.com>
Cc: Sibi Sankar <quic_sibis@quicinc.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Steev Klimaszewski <steev@kali.org> # Thinkpad X13s
Acked-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230309111209.31606-1-johan+linaro@kernel.org
Since commit ee6d3dd4ed ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.
Take advantage of this to constify the structure definition to prevent
modification at runtime.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230227-kobj_type-firmware-edd-v1-1-c626afe5bd05@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adds PM API for performing Programmable Logic(PL) configuration
register readback. It provides an interface to the firmware(pmufw)
to readback the FPGA configuration register.
Signed-off-by: Nava kishore Manne <nava.kishore.manne@amd.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230224120738.329416-2-nava.kishore.manne@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since commit ee6d3dd4ed ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.
Take advantage of this to constify the structure definitions to prevent
modification at runtime.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230227-kobj_type-firmware-dmi-v1-1-d1131d4e7a2b@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use devm_bitmap_zalloc() instead of hand-writing them.
It is less verbose and it improves the semantic.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/c073b1607ada34d5bde6ce1009179cf15bbf0da3.1657308593.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
When mailboxes are used as a transport it is possible to setup the SCMI
transport layer, depending on the underlying channels configuration, to use
one or two mailboxes, associated, respectively, to one or two, distinct,
shared memory areas: any other combination should be treated as invalid.
Add more strict checking of SCMI mailbox transport device node descriptors.
Fixes: 5c8a47a5a9 ("firmware: arm_scmi: Make scmi core independent of the transport type")
Cc: <stable@vger.kernel.org> # 4.19
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20230307162324.891866-1-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
When SCMI raw coexistence mode is enabled make the core stack probe
successfully even when the initial base protocol exchanges with the
platform/server failed.
This behaviour enables the system to boot with a broken regular SCMI
stack but with a fully functional and accessible SCMI raw debugfs
interface that can be used to further debug the issue.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20230223152330.2707260-1-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
linux/of.h is included more than once, just remove the duplicate include
header inclusion.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202302101520071730986@zte.com.cn
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
In this context "return scmi_dev;" and "return NULL;" are equivalent
but it is more readable to return a literal.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/Y/Yx8pOdf8rNhPVe@kili
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
The comments say "enabled" where "disabled" is intended. Also it's
cleaner to return zero explicitly instead of ret.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/r/Y86im5M49p3ePGxj@kili
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
LVDS' lpi2c and pwm power domains definitions are missed.
Add them here.
Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This simplifies the code and silences -517 error messages. Also
the reason is listed in /sys/kernel/debug/devices_deferred.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
As usual, there are lots of minor driver changes across SoC platforms
from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
These usually add support for additional chip variations in existing
drivers, but also add features or bugfixes.
The SCMI firmware subsystem gains a unified raw userspace interface
through debugfs, which can be used for validation purposes.
Newly added drivers include:
- New power management drivers for StarFive JH7110, Allwinner D1 and
Renesas RZ/V2M
- A driver for Qualcomm battery and power supply status
- A SoC device driver for identifying Nuvoton WPCM450 chips
- A regulator coupler driver for Mediatek MT81xxv
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Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"As usual, there are lots of minor driver changes across SoC platforms
from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
These usually add support for additional chip variations in existing
drivers, but also add features or bugfixes.
The SCMI firmware subsystem gains a unified raw userspace interface
through debugfs, which can be used for validation purposes.
Newly added drivers include:
- New power management drivers for StarFive JH7110, Allwinner D1 and
Renesas RZ/V2M
- A driver for Qualcomm battery and power supply status
- A SoC device driver for identifying Nuvoton WPCM450 chips
- A regulator coupler driver for Mediatek MT81xxv"
* tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
power: supply: Introduce Qualcomm PMIC GLINK power supply
soc: apple: rtkit: Do not copy the reg state structure to the stack
soc: sunxi: SUN20I_PPU should depend on PM
memory: renesas-rpc-if: Remove redundant division of dummy
soc: qcom: socinfo: Add IDs for IPQ5332 and its variant
dt-bindings: arm: qcom,ids: Add IDs for IPQ5332 and its variant
dt-bindings: power: qcom,rpmpd: add RPMH_REGULATOR_LEVEL_LOW_SVS_L1
firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/
MAINTAINERS: Update qcom CPR maintainer entry
dt-bindings: firmware: document Qualcomm SM8550 SCM
dt-bindings: firmware: qcom,scm: add qcom,scm-sa8775p compatible
soc: qcom: socinfo: Add Soc IDs for IPQ8064 and variants
dt-bindings: arm: qcom,ids: Add Soc IDs for IPQ8064 and variants
soc: qcom: socinfo: Add support for new field in revision 17
soc: qcom: smd-rpm: Add IPQ9574 compatible
soc: qcom: pmic_glink: remove redundant calculation of svid
soc: qcom: stats: Populate all subsystem debugfs files
dt-bindings: soc: qcom,rpmh-rsc: Update to allow for generic nodes
soc: qcom: pmic_glink: add CONFIG_NET/CONFIG_OF dependencies
soc: qcom: pmic_glink: Introduce altmode support
...
Here is the large set of driver core changes for 6.3-rc1.
There's a lot of changes this development cycle, most of the work falls
into two different categories:
- fw_devlink fixes and updates. This has gone through numerous review
cycles and lots of review and testing by lots of different devices.
Hopefully all should be good now, and Saravana will be keeping a
watch for any potential regression on odd embedded systems.
- driver core changes to work to make struct bus_type able to be moved
into read-only memory (i.e. const) The recent work with Rust has
pointed out a number of areas in the driver core where we are
passing around and working with structures that really do not have
to be dynamic at all, and they should be able to be read-only making
things safer overall. This is the contuation of that work (started
last release with kobject changes) in moving struct bus_type to be
constant. We didn't quite make it for this release, but the
remaining patches will be finished up for the release after this
one, but the groundwork has been laid for this effort.
Other than that we have in here:
- debugfs memory leak fixes in some subsystems
- error path cleanups and fixes for some never-able-to-be-hit
codepaths.
- cacheinfo rework and fixes
- Other tiny fixes, full details are in the shortlog
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the large set of driver core changes for 6.3-rc1.
There's a lot of changes this development cycle, most of the work
falls into two different categories:
- fw_devlink fixes and updates. This has gone through numerous review
cycles and lots of review and testing by lots of different devices.
Hopefully all should be good now, and Saravana will be keeping a
watch for any potential regression on odd embedded systems.
- driver core changes to work to make struct bus_type able to be
moved into read-only memory (i.e. const) The recent work with Rust
has pointed out a number of areas in the driver core where we are
passing around and working with structures that really do not have
to be dynamic at all, and they should be able to be read-only
making things safer overall. This is the contuation of that work
(started last release with kobject changes) in moving struct
bus_type to be constant. We didn't quite make it for this release,
but the remaining patches will be finished up for the release after
this one, but the groundwork has been laid for this effort.
Other than that we have in here:
- debugfs memory leak fixes in some subsystems
- error path cleanups and fixes for some never-able-to-be-hit
codepaths.
- cacheinfo rework and fixes
- Other tiny fixes, full details are in the shortlog
All of these have been in linux-next for a while with no reported
problems"
[ Geert Uytterhoeven points out that that last sentence isn't true, and
that there's a pending report that has a fix that is queued up - Linus ]
* tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (124 commits)
debugfs: drop inline constant formatting for ERR_PTR(-ERROR)
OPP: fix error checking in opp_migrate_dentry()
debugfs: update comment of debugfs_rename()
i3c: fix device.h kernel-doc warnings
dma-mapping: no need to pass a bus_type into get_arch_dma_ops()
driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place
Revert "driver core: add error handling for devtmpfs_create_node()"
Revert "devtmpfs: add debug info to handle()"
Revert "devtmpfs: remove return value of devtmpfs_delete_node()"
driver core: cpu: don't hand-override the uevent bus_type callback.
devtmpfs: remove return value of devtmpfs_delete_node()
devtmpfs: add debug info to handle()
driver core: add error handling for devtmpfs_create_node()
driver core: bus: update my copyright notice
driver core: bus: add bus_get_dev_root() function
driver core: bus: constify bus_unregister()
driver core: bus: constify some internal functions
driver core: bus: constify bus_get_kset()
driver core: bus: constify bus_register/unregister_notifier()
driver core: remove private pointer from struct bus_type
...
Here is the large set of driver changes for char/misc drivers and other
smaller driver subsystems that flow through this git tree.
Included in here are:
- New IIO drivers and features and improvments in that subsystem
- New hwtracing drivers and additions to that subsystem
- lots of interconnect changes and new drivers as that subsystem seems
under very active development recently. This required also merging
in the icc subsystem changes through this tree.
- FPGA driver updates
- counter subsystem and driver updates
- MHI driver updates
- nvmem driver updates
- documentation updates
- Other smaller driver updates and fixes, full details in the shortlog
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver subsystem updates from Greg KH:
"Here is the large set of driver changes for char/misc drivers and
other smaller driver subsystems that flow through this git tree.
Included in here are:
- New IIO drivers and features and improvments in that subsystem
- New hwtracing drivers and additions to that subsystem
- lots of interconnect changes and new drivers as that subsystem
seems under very active development recently. This required also
merging in the icc subsystem changes through this tree.
- FPGA driver updates
- counter subsystem and driver updates
- MHI driver updates
- nvmem driver updates
- documentation updates
- Other smaller driver updates and fixes, full details in the
shortlog
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (223 commits)
scripts/tags.sh: fix incompatibility with PCRE2
firmware: coreboot: Remove GOOGLE_COREBOOT_TABLE_ACPI/OF Kconfig entries
mei: lower the log level for non-fatal failed messages
mei: bus: disallow driver match while dismantling device
misc: vmw_balloon: fix memory leak with using debugfs_lookup()
nvmem: stm32: fix OPTEE dependency
dt-bindings: nvmem: qfprom: add IPQ8074 compatible
nvmem: qcom-spmi-sdam: register at device init time
nvmem: rave-sp-eeprm: fix kernel-doc bad line warning
nvmem: stm32: detect bsec pta presence for STM32MP15x
nvmem: stm32: add OP-TEE support for STM32MP13x
nvmem: core: use nvmem_add_one_cell() in nvmem_add_cells_from_of()
nvmem: core: add nvmem_add_one_cell()
nvmem: core: drop the removal of the cells in nvmem_add_cells()
nvmem: core: move struct nvmem_cell_info to nvmem-provider.h
nvmem: core: add an index parameter to the cell
of: property: add #nvmem-cell-cells property
of: property: make #.*-cells optional for simple props
of: base: add of_parse_phandle_with_optional_args()
net: add helper eth_addr_add()
...
- Performance tweaks for efifb earlycon by Andy
- Preparatory refactoring and cleanup work in the efivar layer by Johan,
which is needed to accommodate the Snapdragon arm64 laptops that
expose their EFI variable store via a TEE secure world API.
- Enhancements to the EFI memory map handling so that Xen dom0 can
safely access EFI configuration tables (Demi Marie)
- Wire up the newly introduced IBT/BTI flag in the EFI memory attributes
table, so that firmware that is generated with ENDBR/BTI landing pads
will be mapped with enforcement enabled.
- Clean up how we check and print the EFI revision exposed by the
firmware.
- Incorporate EFI memory attributes protocol definition contributed by
Evgeniy and wire it up in the EFI zboot code. This ensures that these
images can execute under new and stricter rules regarding the default
memory permissions for EFI page allocations. (More work is in progress
here)
- CPER header cleanup by Dan Williams
- Use a raw spinlock to protect the EFI runtime services stack on arm64
to ensure the correct semantics under -rt. (Pierre)
- EFI framebuffer quirk for Lenovo Ideapad by Darrell.
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Merge tag 'efi-next-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
"A healthy mix of EFI contributions this time:
- Performance tweaks for efifb earlycon (Andy)
- Preparatory refactoring and cleanup work in the efivar layer, which
is needed to accommodate the Snapdragon arm64 laptops that expose
their EFI variable store via a TEE secure world API (Johan)
- Enhancements to the EFI memory map handling so that Xen dom0 can
safely access EFI configuration tables (Demi Marie)
- Wire up the newly introduced IBT/BTI flag in the EFI memory
attributes table, so that firmware that is generated with ENDBR/BTI
landing pads will be mapped with enforcement enabled
- Clean up how we check and print the EFI revision exposed by the
firmware
- Incorporate EFI memory attributes protocol definition and wire it
up in the EFI zboot code (Evgeniy)
This ensures that these images can execute under new and stricter
rules regarding the default memory permissions for EFI page
allocations (More work is in progress here)
- CPER header cleanup (Dan Williams)
- Use a raw spinlock to protect the EFI runtime services stack on
arm64 to ensure the correct semantics under -rt (Pierre)
- EFI framebuffer quirk for Lenovo Ideapad (Darrell)"
* tag 'efi-next-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: (24 commits)
firmware/efi sysfb_efi: Add quirk for Lenovo IdeaPad Duet 3
arm64: efi: Make efi_rt_lock a raw_spinlock
efi: Add mixed-mode thunk recipe for GetMemoryAttributes
efi: x86: Wire up IBT annotation in memory attributes table
efi: arm64: Wire up BTI annotation in memory attributes table
efi: Discover BTI support in runtime services regions
efi/cper, cxl: Remove cxl_err.h
efi: Use standard format for printing the EFI revision
efi: Drop minimum EFI version check at boot
efi: zboot: Use EFI protocol to remap code/data with the right attributes
efi/libstub: Add memory attribute protocol definitions
efi: efivars: prevent double registration
efi: verify that variable services are supported
efivarfs: always register filesystem
efi: efivars: add efivars printk prefix
efi: Warn if trying to reserve memory under Xen
efi: Actually enable the ESRT under Xen
efi: Apply allowlist to EFI configuration tables when running under Xen
efi: xen: Implement memory descriptor lookup based on hypercall
efi: memmap: Disregard bogus entries instead of returning them
...
Removals:
- remove legacy dri1 drivers -
- i810, mga, r128, savage, sis, tdfx, via
New driver:
- intel VPU accelerator driver
- habanalabs comes via drm tree now
drm/core:
- use drm_dbg_ helpers in several places
- Document defaults for CRTC backgrounds
- Document use of drm_minor
edid:
- improve mode parsing and refactoring
connector:
- support analog TV mode property
media:
- add some common formats
udmabuf:
- add vmap/vunmap methods
fourcc:
- add XRGB1555 and RGB565 formats
- document open source user waiver
firmware:
- fix color-format selection for system framebuffer
format-helper:
- Add conversion from XRGB8888 to various sysfb formats
- Make XRGB8888 the only driver-emulated legacy format
- Add conversion from XRGB8888 to XBGR8888 and ABGR8888
fb-helper:
- fix preferred depth and bpp values across drivers
- Avoid blank consoles from selecting an incorrect color format
probe-helper:
- Enable/disable HPD on connectors
scheduler:
- Fix lockup in drm_sched_entity_kill()
- Deprecate drm_sched_resubmit_jobs()
bridge:
- remove unused functions
- implement i2c probe_new in various drivers
- ite-it6505: Locking fixes, Cache EDID data
- ite-it66121: Support IT6610 chip
- lontium-tl9611: Fix HDMI on DragonBoard 845c
- parade-ps8640: Use atomic bridge functions
- Support i.MX93 LDB plus DT bindings
debugfs:
- add per device helpers and convert drivers
displayport:
- mst fixes
- add DP adaptive sync DPCD definitions
fbdev:
- always pick 32bpp as default
- remove some unused code
simpledrm:
- support system memory framebuffers
panel:
- add orientation quirks for Lenovo Yoga Tab 3 X90F and DynaBook K50
- Use ktime_get_boottime() to measure power-down delay
- Fix auto-suspend delay
- Visionox VTDR6130 AMOLED DSI
- Support Himax HX8394
- Convert many drivers to common generic DSI write-sequence helper
- AUO A030JTN01
ttm:
- drop bo wait wrapper
- fix MIPS build
habanalabs:
- moved driver to accel subsystem
- gaudi2 decoder error improvement
- more trace events
- Gaudi2 abrupt reset by firmware support
- add uAPI to flush memory transactions
- add uAPI to pass through userspace reqs to fw
- remove dma-buf export by handle
amdgpu:
- add new INFO queries for peak and min sclk/mclk for profile modes
- Add PCIe info to the INFO IOCTL
- secure display support for multiple displays
- DML optimizations
- DCN 3.2 updates
- PSR updates
- DP 2.1 updates
- SR-IOV RAS updates
- VCN RAS support
- SMU 13.x updates
- Switch 1 element arrays to flexible arrays
- Add RAS support for DF 4.3
- Stack size improvements
- S0ix rework
- Allow 0 as a vram limit on APUs
- Handle profiling modes for SMU13.x
- Fix possible segfault in failure case
- Rework FW requests to happen in early_init for all IPs so
that we don't lose the sbios console if FW is missing
- Fix power reporting on certain firmwares for CZN/RN
- Allow S0ix without BIOS support
- Enable freesync over PCon
- Re-enable the AGP aperture on GMC 11.x
amdkfd:
- Error handling fixes
- PASID fixes
- Fix for cleared VRAM BOs
- Fix cleanup if GPUVM creation fails
- Memory accounting fix
- Use resource_size rather than open codeing it
- GC11 mGPU fix
radeon:
- Switch 1 element arrays to flexible arrays
- Fix memory leak on shutdown
- move to new logging
i915:
- Meteorlake display/OA/GSC fw/workarounds enabling
- DP MST DSC support
- Gamma/degamma readout support for the state checker
- Enable SDP split support for DP 2.0
- Add probe blocking support to i915.force_probe parameter
- Enable Xe HP 4tile support
- Avoid display direct calls to uncore
- Fix HuC delayed load memory leaks
- Add DG2 workarounds Wa_18018764978 and Wa_18019271663
- Improve suspend / resume times with VT-d scanout workaround active
- Fix DG2 visual corruption on small BAR systems by not forgetting to copy CCS aux state
- Fix TLB invalidation for Gen12.50 video and compute engines
- Enable HF-EEODB by switching HDMI, DP and LVDS to use struct drm_edid
- Start using unversioned DMC firmware paths for new platforms
- ELD refactor: Stop using hardware buffer, precompute ELD
- lots of display code refactoring
nouveau:
- drop legacy ioctl support
- replace 0-sized array
msm:
- dpu/dsi/mdss: Support for SM8350, SM8450 SM8550 and SC8280XP platform
- Added bindings for SM8150
- dpu: Partial support for DSC on SM8150 and SM8250
- dpu: Fixed color transformation matrix being lost on suspend/resume
- dp: Support SDM845 and SC8280XP platforms
- dp: Support for limiting DP link rate via DT property
- dsi: Validate display modes according to the DSI OPP table
- dsi: DSI PHY support for the SM6375 platform
- Add MSM_SUBMIT_BO_NO_IMPLICI
- a2xx: Support to load legacy firmware
- a6xx: GPU devcore dump updates for a650/a660
- GPU devfreq tuning and fixes
- Turn 8960 HDMI PHY into clock provider,
- Make 8960 HDMI PHY use PXO clock from DT
etnaviv:
- experimental versilicon NPU support
- report GPU load via fdinfo format
- MMU fault message improvements
tegra:
- rework syncpoint interrupt
mediatek:
- DSI timing fix
- fix config deps
ast:
- various fixes
exynos:
- restore bridge chain order fixes
gud:
- convert to shadow plane buffers
- perform flushing synchronously during atomic update
- Use new debugfs helpers
arm/hdlcd:
- Use new debugfs helper
ili9486:
- Support 16-bit pixel data
imx:
- Split off IPUv3 driver
mipi-dbi:
- convert to DRM shadow-plane helpers
- rsp driver changes
- Support separate I/O-voltage supply
mxsfb:
- Depend on ARCH_MXS or ARCH_MXC
sun4i:
- convert to new TV mode property
vc4:
- convert to new TV mode property
- kunit tests
- Support RGB565 and RGB666 formats
- convert dsi driver to bridge
- Various HVS an CRTC fixes
v3d:
- Do not opencode drm_gem_object_lookup()
virtio:
- improve tracing
vkms:
- support small cursors in IGT tests
- Fix SEGFAULT from incorrect GEM-buffer mapping
rcar-du:
- fixes and improvements
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Merge tag 'drm-next-2023-02-23' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"There are a bunch of changes all over in the usual places.
Highlights:
- habanalabs moves from misc to accel
- first accel driver for Intel VPU (Versatile Processing Unit)
inference engine
- dropped all the ancient legacy DRI1 drivers. I think it's been at
least 10 years since anyone has heard about these.
- Intel DG2 updates and prelim Meteorlake enablement
- etnaviv adds support for Versilicon NPU device (a GPU like engine
with inference accelerators)
Detailed summary:
Removals:
- remove legacy dri1 drivers: i810, mga, r128, savage, sis, tdfx, via
New driver:
- intel VPU accelerator driver
- habanalabs comes via drm tree now
drm/core:
- use drm_dbg_ helpers in several places
- Document defaults for CRTC backgrounds
- Document use of drm_minor
edid:
- improve mode parsing and refactoring
connector:
- support analog TV mode property
media:
- add some common formats
udmabuf:
- add vmap/vunmap methods
fourcc:
- add XRGB1555 and RGB565 formats
- document open source user waiver
firmware:
- fix color-format selection for system framebuffer
format-helper:
- Add conversion from XRGB8888 to various sysfb formats
- Make XRGB8888 the only driver-emulated legacy format
- Add conversion from XRGB8888 to XBGR8888 and ABGR8888
fb-helper:
- fix preferred depth and bpp values across drivers
- Avoid blank consoles from selecting an incorrect color format
probe-helper:
- Enable/disable HPD on connectors
scheduler:
- Fix lockup in drm_sched_entity_kill()
- Deprecate drm_sched_resubmit_jobs()
bridge:
- remove unused functions
- implement i2c probe_new in various drivers
- ite-it6505: Locking fixes, Cache EDID data
- ite-it66121: Support IT6610 chip
- lontium-tl9611: Fix HDMI on DragonBoard 845c
- parade-ps8640: Use atomic bridge functions
- Support i.MX93 LDB plus DT bindings
debugfs:
- add per device helpers and convert drivers
displayport:
- mst fixes
- add DP adaptive sync DPCD definitions
fbdev:
- always pick 32bpp as default
- remove some unused code
simpledrm:
- support system memory framebuffers
panel:
- add orientation quirks for Lenovo Yoga Tab 3 X90F and DynaBook K50
- Use ktime_get_boottime() to measure power-down delay
- Fix auto-suspend delay
- Visionox VTDR6130 AMOLED DSI
- Support Himax HX8394
- Convert many drivers to common generic DSI write-sequence helper
- AUO A030JTN01
ttm:
- drop bo wait wrapper
- fix MIPS build
habanalabs:
- moved driver to accel subsystem
- gaudi2 decoder error improvement
- more trace events
- Gaudi2 abrupt reset by firmware support
- add uAPI to flush memory transactions
- add uAPI to pass through userspace reqs to fw
- remove dma-buf export by handle
amdgpu:
- add new INFO queries for peak and min sclk/mclk for profile modes
- Add PCIe info to the INFO IOCTL
- secure display support for multiple displays
- DML optimizations
- DCN 3.2 updates
- PSR updates
- DP 2.1 updates
- SR-IOV RAS updates
- VCN RAS support
- SMU 13.x updates
- Switch 1 element arrays to flexible arrays
- Add RAS support for DF 4.3
- Stack size improvements
- S0ix rework
- Allow 0 as a vram limit on APUs
- Handle profiling modes for SMU13.x
- Fix possible segfault in failure case
- Rework FW requests to happen in early_init for all IPs so that we
don't lose the sbios console if FW is missing
- Fix power reporting on certain firmwares for CZN/RN
- Allow S0ix without BIOS support
- Enable freesync over PCon
- Re-enable the AGP aperture on GMC 11.x
amdkfd:
- Error handling fixes
- PASID fixes
- Fix for cleared VRAM BOs
- Fix cleanup if GPUVM creation fails
- Memory accounting fix
- Use resource_size rather than open codeing it
- GC11 mGPU fix
radeon:
- Switch 1 element arrays to flexible arrays
- Fix memory leak on shutdown
- move to new logging
i915:
- Meteorlake display/OA/GSC fw/workarounds enabling
- DP MST DSC support
- Gamma/degamma readout support for the state checker
- Enable SDP split support for DP 2.0
- Add probe blocking support to i915.force_probe parameter
- Enable Xe HP 4tile support
- Avoid display direct calls to uncore
- Fix HuC delayed load memory leaks
- Add DG2 workarounds Wa_18018764978 and Wa_18019271663
- Improve suspend / resume times with VT-d scanout workaround active
- Fix DG2 visual corruption on small BAR systems by not forgetting to
copy CCS aux state
- Fix TLB invalidation for Gen12.50 video and compute engines
- Enable HF-EEODB by switching HDMI, DP and LVDS to use struct
drm_edid
- Start using unversioned DMC firmware paths for new platforms
- ELD refactor: Stop using hardware buffer, precompute ELD
- lots of display code refactoring
nouveau:
- drop legacy ioctl support
- replace 0-sized array
msm:
- dpu/dsi/mdss: Support for SM8350, SM8450 SM8550 and SC8280XP platform
- Added bindings for SM8150
- dpu: Partial support for DSC on SM8150 and SM8250
- dpu: Fixed color transformation matrix being lost on suspend/resume
- dp: Support SDM845 and SC8280XP platforms
- dp: Support for limiting DP link rate via DT property
- dsi: Validate display modes according to the DSI OPP table
- dsi: DSI PHY support for the SM6375 platform
- Add MSM_SUBMIT_BO_NO_IMPLICI
- a2xx: Support to load legacy firmware
- a6xx: GPU devcore dump updates for a650/a660
- GPU devfreq tuning and fixes
- Turn 8960 HDMI PHY into clock provider,
- Make 8960 HDMI PHY use PXO clock from DT
etnaviv:
- experimental versilicon NPU support
- report GPU load via fdinfo format
- MMU fault message improvements
tegra:
- rework syncpoint interrupt
mediatek:
- DSI timing fix
- fix config deps
ast:
- various fixes
exynos:
- restore bridge chain order fixes
gud:
- convert to shadow plane buffers
- perform flushing synchronously during atomic update
- Use new debugfs helpers
arm/hdlcd:
- Use new debugfs helper
ili9486:
- Support 16-bit pixel data
imx:
- Split off IPUv3 driver
mipi-dbi:
- convert to DRM shadow-plane helpers
- rsp driver changes
- Support separate I/O-voltage supply
mxsfb:
- Depend on ARCH_MXS or ARCH_MXC
sun4i:
- convert to new TV mode property
vc4:
- convert to new TV mode property
- kunit tests
- Support RGB565 and RGB666 formats
- convert dsi driver to bridge
- Various HVS an CRTC fixes
v3d:
- Do not opencode drm_gem_object_lookup()
virtio:
- improve tracing
vkms:
- support small cursors in IGT tests
- Fix SEGFAULT from incorrect GEM-buffer mapping
rcar-du:
- fixes and improvements"
* tag 'drm-next-2023-02-23' of git://anongit.freedesktop.org/drm/drm: (1455 commits)
msm/fbdev: fix unused variable warning with clang.
drm/fb-helper: Remove drm_fb_helper_unprepare() from drm_fb_helper_fini()
dma-buf: make kobj_type structure constant
drm/shmem-helper: Fix locking for drm_gem_shmem_get_pages_sgt()
drm/amd/display: disable SubVP + DRR to prevent underflow
drm/amd/display: Fail atomic_check early on normalize_zpos error
drm/amd/pm: avoid unaligned access warnings
drm/amd/display: avoid unaligned access warnings
drm/amd/display: Remove duplicate/repeating expressions
drm/amd/display: Remove duplicate/repeating expression
drm/amd/display: Make variables declaration inside ifdef guard
drm/amd/display: Fix excess arguments on kernel-doc
drm/amd/display: Add previously missing includes
drm/amd/amdgpu: Add function prototypes to headers
drm/amd/display: Add function prototypes to headers
drm/amd/display: Turn global functions into static
drm/amd/display: remove unused _calculate_degamma_curve function
drm/amd/display: remove unused func declaration from resource headers
drm/amd/display: unset initial value for tf since it's never used
drm/amd/display: camel case cleanup in color_gamma file
...
- Support for arm64 SME 2 and 2.1. SME2 introduces a new 512-bit
architectural register (ZT0, for the look-up table feature) that Linux
needs to save/restore.
- Include TPIDR2 in the signal context and add the corresponding
kselftests.
- Perf updates: Arm SPEv1.2 support, HiSilicon uncore PMU updates, ACPI
support to the Marvell DDR and TAD PMU drivers, reset DTM_PMU_CONFIG
(ARM CMN) at probe time.
- Support for DYNAMIC_FTRACE_WITH_CALL_OPS on arm64.
- Permit EFI boot with MMU and caches on. Instead of cleaning the entire
loaded kernel image to the PoC and disabling the MMU and caches before
branching to the kernel bare metal entry point, leave the MMU and
caches enabled and rely on EFI's cacheable 1:1 mapping of all of
system RAM to populate the initial page tables.
- Expose the AArch32 (compat) ELF_HWCAP features to user in an arm64
kernel (the arm32 kernel only defines the values).
- Harden the arm64 shadow call stack pointer handling: stash the shadow
stack pointer in the task struct on interrupt, load it directly from
this structure.
- Signal handling cleanups to remove redundant validation of size
information and avoid reading the same data from userspace twice.
- Refactor the hwcap macros to make use of the automatically generated
ID registers. It should make new hwcaps writing less error prone.
- Further arm64 sysreg conversion and some fixes.
- arm64 kselftest fixes and improvements.
- Pointer authentication cleanups: don't sign leaf functions, unify
asm-arch manipulation.
- Pseudo-NMI code generation optimisations.
- Minor fixes for SME and TPIDR2 handling.
- Miscellaneous updates: ARCH_FORCE_MAX_ORDER is now selectable, replace
strtobool() to kstrtobool() in the cpufeature.c code, apply dynamic
shadow call stack in two passes, intercept pfn changes in set_pte_at()
without the required break-before-make sequence, attempt to dump all
instructions on unhandled kernel faults.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
- Support for arm64 SME 2 and 2.1. SME2 introduces a new 512-bit
architectural register (ZT0, for the look-up table feature) that
Linux needs to save/restore
- Include TPIDR2 in the signal context and add the corresponding
kselftests
- Perf updates: Arm SPEv1.2 support, HiSilicon uncore PMU updates, ACPI
support to the Marvell DDR and TAD PMU drivers, reset DTM_PMU_CONFIG
(ARM CMN) at probe time
- Support for DYNAMIC_FTRACE_WITH_CALL_OPS on arm64
- Permit EFI boot with MMU and caches on. Instead of cleaning the
entire loaded kernel image to the PoC and disabling the MMU and
caches before branching to the kernel bare metal entry point, leave
the MMU and caches enabled and rely on EFI's cacheable 1:1 mapping of
all of system RAM to populate the initial page tables
- Expose the AArch32 (compat) ELF_HWCAP features to user in an arm64
kernel (the arm32 kernel only defines the values)
- Harden the arm64 shadow call stack pointer handling: stash the shadow
stack pointer in the task struct on interrupt, load it directly from
this structure
- Signal handling cleanups to remove redundant validation of size
information and avoid reading the same data from userspace twice
- Refactor the hwcap macros to make use of the automatically generated
ID registers. It should make new hwcaps writing less error prone
- Further arm64 sysreg conversion and some fixes
- arm64 kselftest fixes and improvements
- Pointer authentication cleanups: don't sign leaf functions, unify
asm-arch manipulation
- Pseudo-NMI code generation optimisations
- Minor fixes for SME and TPIDR2 handling
- Miscellaneous updates: ARCH_FORCE_MAX_ORDER is now selectable,
replace strtobool() to kstrtobool() in the cpufeature.c code, apply
dynamic shadow call stack in two passes, intercept pfn changes in
set_pte_at() without the required break-before-make sequence, attempt
to dump all instructions on unhandled kernel faults
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (130 commits)
arm64: fix .idmap.text assertion for large kernels
kselftest/arm64: Don't require FA64 for streaming SVE+ZA tests
kselftest/arm64: Copy whole EXTRA context
arm64: kprobes: Drop ID map text from kprobes blacklist
perf: arm_spe: Print the version of SPE detected
perf: arm_spe: Add support for SPEv1.2 inverted event filtering
perf: Add perf_event_attr::config3
arm64/sme: Fix __finalise_el2 SMEver check
drivers/perf: fsl_imx8_ddr_perf: Remove set-but-not-used variable
arm64/signal: Only read new data when parsing the ZT context
arm64/signal: Only read new data when parsing the ZA context
arm64/signal: Only read new data when parsing the SVE context
arm64/signal: Avoid rereading context frame sizes
arm64/signal: Make interface for restore_fpsimd_context() consistent
arm64/signal: Remove redundant size validation from parse_user_sigframe()
arm64/signal: Don't redundantly verify FPSIMD magic
arm64/cpufeature: Use helper macros to specify hwcaps
arm64/cpufeature: Always use symbolic name for feature value in hwcaps
arm64/sysreg: Initial unsigned annotations for ID registers
arm64/sysreg: Initial annotation of signed ID registers
...
- Improve the scalability of the CFS bandwidth unthrottling logic
with large number of CPUs.
- Fix & rework various cpuidle routines, simplify interaction with
the generic scheduler code. Add __cpuidle methods as noinstr to
objtool's noinstr detection and fix boatloads of cpuidle bugs & quirks.
- Add new ABI: introduce MEMBARRIER_CMD_GET_REGISTRATIONS,
to query previously issued registrations.
- Limit scheduler slice duration to the sysctl_sched_latency period,
to improve scheduling granularity with a large number of SCHED_IDLE
tasks.
- Debuggability enhancement on sys_exit(): warn about disabled IRQs,
but also enable them to prevent a cascade of followup problems and
repeat warnings.
- Fix the rescheduling logic in prio_changed_dl().
- Micro-optimize cpufreq and sched-util methods.
- Micro-optimize ttwu_runnable()
- Micro-optimize the idle-scanning in update_numa_stats(),
select_idle_capacity() and steal_cookie_task().
- Update the RSEQ code & self-tests
- Constify various scheduler methods
- Remove unused methods
- Refine __init tags
- Documentation updates
- ... Misc other cleanups, fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- Improve the scalability of the CFS bandwidth unthrottling logic with
large number of CPUs.
- Fix & rework various cpuidle routines, simplify interaction with the
generic scheduler code. Add __cpuidle methods as noinstr to objtool's
noinstr detection and fix boatloads of cpuidle bugs & quirks.
- Add new ABI: introduce MEMBARRIER_CMD_GET_REGISTRATIONS, to query
previously issued registrations.
- Limit scheduler slice duration to the sysctl_sched_latency period, to
improve scheduling granularity with a large number of SCHED_IDLE
tasks.
- Debuggability enhancement on sys_exit(): warn about disabled IRQs,
but also enable them to prevent a cascade of followup problems and
repeat warnings.
- Fix the rescheduling logic in prio_changed_dl().
- Micro-optimize cpufreq and sched-util methods.
- Micro-optimize ttwu_runnable()
- Micro-optimize the idle-scanning in update_numa_stats(),
select_idle_capacity() and steal_cookie_task().
- Update the RSEQ code & self-tests
- Constify various scheduler methods
- Remove unused methods
- Refine __init tags
- Documentation updates
- Misc other cleanups, fixes
* tag 'sched-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (110 commits)
sched/rt: pick_next_rt_entity(): check list_entry
sched/deadline: Add more reschedule cases to prio_changed_dl()
sched/fair: sanitize vruntime of entity being placed
sched/fair: Remove capacity inversion detection
sched/fair: unlink misfit task from cpu overutilized
objtool: mem*() are not uaccess safe
cpuidle: Fix poll_idle() noinstr annotation
sched/clock: Make local_clock() noinstr
sched/clock/x86: Mark sched_clock() noinstr
x86/pvclock: Improve atomic update of last_value in pvclock_clocksource_read()
x86/atomics: Always inline arch_atomic64*()
cpuidle: tracing, preempt: Squash _rcuidle tracing
cpuidle: tracing: Warn about !rcu_is_watching()
cpuidle: lib/bug: Disable rcu_is_watching() during WARN/BUG
cpuidle: drivers: firmware: psci: Dont instrument suspend code
KVM: selftests: Fix build of rseq test
exit: Detect and fix irq disabled state in oops
cpuidle, arm64: Fix the ARM64 cpuidle logic
cpuidle: mvebu: Fix duplicate flags assignment
sched/fair: Limit sched slice duration
...
Another Lenovo convertable which reports a landscape resolution of
1920x1200 with a pitch of (1920 * 4) bytes, while the actual framebuffer
has a resolution of 1200x1920 with a pitch of (1200 * 4) bytes.
Signed-off-by: Darrell Kavanagh <darrell.kavanagh@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
The qcom_scm.h file is moved into firmware/qcom, to avoid having any
Qualcomm-specific files directly in include/linux.
Support for PMIC GLINK is introduced, which on newer Qualcomm platforms
provides an interface to the firmware implementing battery management
and USB Type-C handling. Together with the base driver comes the custom
altmode support driver.
SMD RPM gains support for IPQ9574, and socinfo is extended with support
for revision 17 of the information format and soc_id for IPQ5332 and
IPQ8064 are added.
The qcom_stats is changes not to fail when not all parts are
initialized.
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Merge tag 'qcom-drivers-for-6.3-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
More Qualcomm driver updates for 6.3
The qcom_scm.h file is moved into firmware/qcom, to avoid having any
Qualcomm-specific files directly in include/linux.
Support for PMIC GLINK is introduced, which on newer Qualcomm platforms
provides an interface to the firmware implementing battery management
and USB Type-C handling. Together with the base driver comes the custom
altmode support driver.
SMD RPM gains support for IPQ9574, and socinfo is extended with support
for revision 17 of the information format and soc_id for IPQ5332 and
IPQ8064 are added.
The qcom_stats is changes not to fail when not all parts are
initialized.
* tag 'qcom-drivers-for-6.3-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: socinfo: Add IDs for IPQ5332 and its variant
dt-bindings: arm: qcom,ids: Add IDs for IPQ5332 and its variant
dt-bindings: power: qcom,rpmpd: add RPMH_REGULATOR_LEVEL_LOW_SVS_L1
firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/
MAINTAINERS: Update qcom CPR maintainer entry
dt-bindings: firmware: document Qualcomm SM8550 SCM
dt-bindings: firmware: qcom,scm: add qcom,scm-sa8775p compatible
soc: qcom: socinfo: Add Soc IDs for IPQ8064 and variants
dt-bindings: arm: qcom,ids: Add Soc IDs for IPQ8064 and variants
soc: qcom: socinfo: Add support for new field in revision 17
soc: qcom: smd-rpm: Add IPQ9574 compatible
soc: qcom: pmic_glink: remove redundant calculation of svid
soc: qcom: stats: Populate all subsystem debugfs files
dt-bindings: soc: qcom,rpmh-rsc: Update to allow for generic nodes
soc: qcom: pmic_glink: add CONFIG_NET/CONFIG_OF dependencies
soc: qcom: pmic_glink: Introduce altmode support
soc: qcom: pmic_glink: Introduce base PMIC GLINK driver
dt-bindings: soc: qcom: Introduce PMIC GLINK binding
soc: qcom: dcc: Drop driver for now
Link: https://lore.kernel.org/r/20230210182242.2023901-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This introduces a new driver for the Data Capture and Compare block,
which provides a mechanism for capturing hardware state (access MMIO
registers) either upon request of triggered automatically e.g. upon a
watchdog bite, for post mortem analysis.
The remote filesystem memory share driver gains support for having its
memory bound to more than a single VMID.
The SCM driver gains the minimal support needed to support a new
mechanism where secure world can put calls on hold and later request
them to be retried.
Support for the new SA8775P platform is added to rpmhpd, QDU1000 is
added to the SCM driver and a long list of platforms are added to the
socinfo driver. Support for socinfo data revision 16 is also introduced.
Lastly a driver to program the ramp controller in MSM8976 is introduced.
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Merge tag 'qcom-drivers-for-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v6.3
This introduces a new driver for the Data Capture and Compare block,
which provides a mechanism for capturing hardware state (access MMIO
registers) either upon request of triggered automatically e.g. upon a
watchdog bite, for post mortem analysis.
The remote filesystem memory share driver gains support for having its
memory bound to more than a single VMID.
The SCM driver gains the minimal support needed to support a new
mechanism where secure world can put calls on hold and later request
them to be retried.
Support for the new SA8775P platform is added to rpmhpd, QDU1000 is
added to the SCM driver and a long list of platforms are added to the
socinfo driver. Support for socinfo data revision 16 is also introduced.
Lastly a driver to program the ramp controller in MSM8976 is introduced.
* tag 'qcom-drivers-for-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (33 commits)
firmware: qcom: scm: Add wait-queue handling logic
dt-bindings: firmware: qcom,scm: Add optional interrupt
Revert "dt-bindings: power: rpmpd: Add SM4250 support"
Revert "soc: qcom: rpmpd: Add SM4250 support"
soc: qcom: socinfo: Add a bunch of older SoCs
dt-bindings: arm: qcom,ids: Add a bunch of older SoCs
dt-bindings: arm: qcom,ids: Add QRD board ID
soc: qcom: socinfo: Fix soc_id order
dt-bindings: soc: qcom: smd-rpm: Exclude MSM8936 from glink-channels
dt-bindings: firmware: qcom: scm: Separate VMIDs from header to bindings
soc: qcom: rmtfs: Optionally map RMTFS to more VMs
dt-bindings: reserved-memory: rmtfs: Make qcom,vmid an array
dt-bindings: firmware: scm: Add QDU1000/QRU1000 compatible
dt-bindings: firmware: qcom,scm: narrow clocks and interconnects
dt-bindings: firmware: qcom,scm: document MSM8226 clocks
soc: qcom: ramp_controller: Make things static
soc: qcom: rmphpd: add power domains for sa8775p
dt-bindings: power: qcom,rpmpd: document sa8775p
PM: AVS: qcom-cpr: Fix an error handling path in cpr_probe()
soc: qcom: dcc: rewrite description of dcc sysfs files
...
Link: https://lore.kernel.org/r/20230126163008.3676950-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A fix from Darren to widen the SMBIOS match for detecting Ampere Altra
machines with problematic firmware. In the mean time, we are working on
a more precise check, but this is still work in progress.
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Merge tag 'efi-fixes-for-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fix from Ard Biesheuvel:
"A fix from Darren to widen the SMBIOS match for detecting Ampere Altra
machines with problematic firmware. In the mean time, we are working
on a more precise check, but this is still work in progress"
* tag 'efi-fixes-for-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
arm64: efi: Force the use of SetVirtualAddressMap() on eMAG and Altra Max machines
Commit 550b33cfd4 ("arm64: efi: Force the use of SetVirtualAddressMap()
on Altra machines") identifies the Altra family via the family field in
the type#1 SMBIOS record. eMAG and Altra Max machines are similarly
affected but not detected with the strict strcmp test.
The type1_family smbios string is not an entirely reliable means of
identifying systems with this issue as OEMs can, and do, use their own
strings for these fields. However, until we have a better solution,
capture the bulk of these systems by adding strcmp matching for "eMAG"
and "Altra Max".
Fixes: 550b33cfd4 ("arm64: efi: Force the use of SetVirtualAddressMap() on Altra machines")
Cc: <stable@vger.kernel.org> # 6.1.x
Cc: Alexandru Elisei <alexandru.elisei@gmail.com>
Signed-off-by: Darren Hart <darren@os.amperecomputing.com>
Tested-by: Justin He <justin.he@arm.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Ever since commit a28aad66da ("firmware: coreboot: Collapse platform
drivers into bus core") the Kconfig entries GOOGLE_COREBOOT_TABLE_OF
and GOOGLE_COREBOOT_TABLE_ACPI have been dead. They have no "help"
text and thus aren't user choosable. They also aren't "select"ed by
anything. They also control the compilation of no code.
Let's remove them.
Fixes: a28aad66da ("firmware: coreboot: Collapse platform drivers into bus core")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Acked-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20230207081130.1.I657776750156793721efa247ce6293445137bc8a@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Move include/linux/qcom_scm.h to include/linux/firmware/qcom/qcom_scm.h.
This removes 1 of a few remaining Qualcomm-specific headers into a more
approciate subdirectory under include/.
Suggested-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230203210956.3580811-1-quic_eberman@quicinc.com
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Merge 6.2-rc7 into char-misc-next
We need the char-misc driver fixes in here as other patches depend on
them.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add the generic plumbing to detect whether or not the runtime code
regions were constructed with BTI/IBT landing pads by the firmware,
permitting the OS to enable enforcement when mapping these regions into
the OS's address space.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
While going to create include/linux/cxl.h for some cross-subsystem CXL
definitions I noticed that include/linux/cxl_err.h was already present.
That header has no reason to be global, and it duplicates the RAS
Capability Structure definitions in drivers/cxl/cxl.h. A follow-on patch
can consider unifying the CXL native error tracing with the CPER error
printing.
Also fixed up the spec reference as the latest released spec is v3.0.
Cc: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
The UEFI spec section 4.2.1 describes the way the human readable EFI
revision should be constructed from the 32-bit revision field in the
system table:
The upper 16 bits of this field contain the major revision value,
and the lower 16 bits contain the minor revision value. The minor
revision values are binary coded decimals and are limited to the
range of 00..99.
When printed or displayed UEFI spec revision is referred as (Major
revision).(Minor revision upper decimal).(Minor revision lower
decimal) or (Major revision).(Minor revision upper decimal) in case
Minor revision lower decimal is set to 0.
Let's adhere to this when logging the EFI revision to the kernel log.
Note that the bit about binary coded decimals is bogus, and the minor
revision lower decimal is simply the minor revision modulo 10, given the
symbolic definitions provided by the spec itself:
#define EFI_2_40_SYSTEM_TABLE_REVISION ((2<<16) | (40))
#define EFI_2_31_SYSTEM_TABLE_REVISION ((2<<16) | (31))
#define EFI_2_30_SYSTEM_TABLE_REVISION ((2<<16) | (30))
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
We currently pass a minimum major version to the generic EFI helper that
checks the system table magic and version, and refuse to boot if the
value is lower.
The motivation for this check is unknown, and even the code that uses
major version 2 as the minimum (ARM, arm64 and RISC-V) should make it
past this check without problems, and boot to a point where we have
access to a console or some other means to inform the user that the
firmware's major revision number made us unhappy. (Revision 2.0 of the
UEFI specification was released in January 2006, whereas ARM, arm64 and
RISC-V support where added in 2009, 2013 and 2017, respectively, so
checking for major version 2 or higher is completely arbitrary)
So just drop the check.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Use the recently introduced EFI_MEMORY_ATTRIBUTES_PROTOCOL in the zboot
implementation to set the right attributes for the code and data
sections of the decompressed image, i.e., EFI_MEMORY_RO for code and
EFI_MEMORY_XP for data.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
When iterating on a linked list, a result of memremap is dereferenced
without checking it for NULL.
This patch adds a check that falls back on allocating a new page in
case memremap doesn't succeed.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 18df7577ad ("efi/memreserve: deal with memreserve entries in unmapped memory")
Signed-off-by: Anton Gusev <aagusev@ispras.ru>
[ardb: return -ENOMEM instead of breaking out of the loop]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
UEFI v2.10 introduces version 2 of the memory attributes table, which
turns the reserved field into a flags field, but is compatible with
version 1 in all other respects. So let's not complain about version 2
if we encounter it.
Cc: <stable@vger.kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
The PSCI suspend code is currently instrumentable, which is not safe as
instrumentation (e.g. ftrace) may try to make use of RCU during idle
periods when RCU is not watching.
To fix this we need to ensure that psci_suspend_finisher() and anything
it calls are not instrumented. We can do this fairly simply by marking
psci_suspend_finisher() and the psci*_cpu_suspend() functions as
noinstr, and the underlying helper functions as __always_inline.
When CONFIG_DEBUG_VIRTUAL=y, __pa_symbol() can expand to an out-of-line
instrumented function, so we must use __pa_symbol_nodebug() within
psci_suspend_finisher().
The raw SMCCC invocation functions are written in assembly, and are not
subject to compiler instrumentation.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230126151323.349423061@infradead.org
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Merge tag 'v6.2-rc6' into sched/core, to pick up fixes
Pick up fixes before merging another batch of cpuidle updates.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The coreboot framebuffer doesn't support transparency, its 'reserved'
bit field is merely padding for byte/word alignment of pixel colors [1].
When trying to match the framebuffer to a simplefb format, the kernel
driver unnecessarily requires the format's transparency bit field to
exactly match this padding, even if the former is zero-width.
Due to a coreboot bug [2] (fixed upstream), some boards misreport the
reserved field's size as equal to its position (0x18 for both on a
'Lick' Chromebook), and the driver fails to probe where it would have
otherwise worked fine with e.g. the a8r8g8b8 or x8r8g8b8 formats.
Remove the transparency comparison with reserved bits. When the
bits-per-pixel and other color components match, transparency will
already be in a subset of the reserved field. Not forcing it to match
reserved bits allows the driver to work on the boards which misreport
the reserved field. It also enables using simplefb formats that don't
have transparency bits, although this doesn't currently happen due to
format support and ordering in linux/platform_data/simplefb.h.
[1] https://review.coreboot.org/plugins/gitiles/coreboot/+/4.19/src/commonlib/include/commonlib/coreboot_tables.h#255
[2] https://review.coreboot.org/plugins/gitiles/coreboot/+/4.13/src/drivers/intel/fsp2_0/graphics.c#82
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Link: https://lore.kernel.org/r/20230122190433.195941-1-alpernebiyasak@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge v6.2-rc6 into drm-next
Due to holidays we started -next with more -fixes in-flight than
usual, and people have been asking where they are. Backmerge to get
things better in sync.
Conflicts:
- Tiny conflict in drm_fbdev_generic.c between variable rename and
missing error handling that got added.
- Conflict in drm_fb_helper.c between the added call to vgaswitcheroo
in drm_fb_helper_single_fb_probe and a refactor patch that extracted
lots of helpers and incidentally removed the dev local variable.
Readd it to make things compile.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
- Merge of immutable bindings branch with Reset & power domain binding
- Addition of NNA power domain for A311D SoC
- meson_sm.txt conversionto dt-schema
- mark amlogic,meson-gx-pwrc bindings as deprecated
- fix of meson_sm driver by using NULL instead of 0
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Merge tag 'amlogic-drivers-for-v6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux into soc/drivers
Amlogic Drivers changes for v6.3:
- Merge of immutable bindings branch with Reset & power domain binding
- Addition of NNA power domain for A311D SoC
- meson_sm.txt conversionto dt-schema
- mark amlogic,meson-gx-pwrc bindings as deprecated
- fix of meson_sm driver by using NULL instead of 0
* tag 'amlogic-drivers-for-v6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux:
firmware: meson_sm: stop using 0 as NULL pointer
dt-bindings: power: amlogic,meson-gx-pwrc: mark bindings as deprecated
dt-bindings: firmware: convert meson_sm.txt to dt-schema
soc: amlogic: meson-pwrc: Add NNA power domain for A311D
dt-bindings: power: Add G12A NNA power domain
dt-bindings: reset: meson-g12a: Add missing NNA reset
Link: https://lore.kernel.org/r/ec9552d8-96df-a677-ab94-9723f5c30f1c@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
EFI_MEMORY_ATTRIBUTE_PROTOCOL servers as a better alternative to
DXE services for setting memory attributes in EFI Boot Services
environment. This protocol is better since it is a part of UEFI
specification itself and not UEFI PI specification like DXE
services.
Add EFI_MEMORY_ATTRIBUTE_PROTOCOL definitions.
Support mixed mode properly for its calls.
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Evgeniy Baskov <baskov@ispras.ru>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
The uevent() callback in struct bus_type should not be modifying the
device that is passed into it, so mark it as a const * and propagate the
function signature changes out into all relevant subsystems that use
this callback.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230111113018.459199-16-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add the missing sanity check to efivars_register() so that it is no
longer possible to override an already registered set of efivar ops
(without first deregistering them).
This can help debug initialisation ordering issues where drivers have so
far unknowingly been relying on overriding the generic ops.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Current Qualcomm UEFI firmware does not implement the variable services
but not all revisions clear the corresponding bits in the RT_PROP table
services mask and instead the corresponding calls return
EFI_UNSUPPORTED.
This leads to efi core registering the generic efivar ops even when the
variable services are not supported or when they are accessed through
some other interface (e.g. Google SMI or the upcoming Qualcomm SCM
implementation).
Instead of playing games with init call levels to make sure that the
custom implementations are registered after the generic one, make sure
that get_next_variable() is actually supported before registering the
generic ops.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Instead of cleaning the entire loaded kernel image to the PoC and
disabling the MMU and caches before branching to the kernel's bare metal
entry point, we can leave the MMU and caches enabled, and rely on EFI's
cacheable 1:1 mapping of all of system RAM (which is mandated by the
spec) to populate the initial page tables.
This removes the need for managing coherency in software, which is
tedious and error prone.
Note that we still need to clean the executable region of the image to
the PoU if this is required for I/D coherency, but only if we actually
decided to move the image in memory, as otherwise, this will have been
taken care of by the loader.
This change affects both the builtin EFI stub as well as the zboot
decompressor, which now carries the entire EFI stub along with the
decompression code and the compressed image.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20230111102236.1430401-7-ardb@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Add an 'efivars: ' printk prefix to make the log entries stand out more,
for example:
efivars: Registered efivars operations
While at it, change the sole remaining direct printk() call to pr_err().
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Doing so cannot work and should never happen.
Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
The ESRT can be parsed if EFI_PARAVIRT is enabled, even if EFI_MEMMAP is
not. Also allow the ESRT to be in reclaimable memory, as that is where
future Xen versions will put it.
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
As it turns out, Xen does not guarantee that EFI boot services data
regions in memory are preserved, which means that EFI configuration
tables pointing into such memory regions may be corrupted before the
dom0 OS has had a chance to inspect them.
This is causing problems for Qubes OS when it attempts to perform system
firmware updates, which requires that the contents of the EFI System
Resource Table are valid when the fwupd userspace program runs.
However, other configuration tables such as the memory attributes table
or the runtime properties table are equally affected, and so we need a
comprehensive workaround that works for any table type.
So when running under Xen, check the EFI memory descriptor covering the
start of the table, and disregard the table if it does not reside in
memory that is preserved by Xen.
Co-developed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Xen on x86 boots dom0 in EFI mode but without providing a memory map.
This means that some consistency checks we would like to perform on
configuration tables or other data structures in memory are not
currently possible. Xen does, however, expose EFI memory descriptor
info via a Xen hypercall, so let's wire that up instead. It turns out
that the returned information is not identical to what Linux's
efi_mem_desc_lookup would return: the address returned is the address
passed to the hypercall, and the size returned is the number of bytes
remaining in the configuration table. However, none of the callers of
efi_mem_desc_lookup() currently care about this. In the future, Xen may
gain a hypercall that returns the actual start address, which can be
used instead.
Co-developed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
The ESRT code currently contains two consistency checks on the memory
descriptor it obtains, but one of them is both incomplete and can only
trigger on invalid descriptors.
So let's drop these checks, and instead disregard descriptors entirely
if the start address is misaligned, or if the number of pages reaches
to or beyond the end of the address space. Note that the memory map as
a whole could still be inconsistent: multiple entries might cover the
same area, or the address could be outside of the addressable PA space,
but validating that goes beyond the scope of these helpers. Also note
that since the physical address space is never 64-bits wide, a
descriptor that includes the last page of memory is not valid. This is
fortunate, since it means that a valid physical address will never be an
error pointer and that the length of a memory descriptor in bytes will
fit in a 64-bit unsigned integer.
Co-developed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Here are some small char/misc and other subsystem driver fixes for
6.2-rc5 to resolve a few reported issues. They include:
- long time pending fastrpc fixes (should have gone into 6.1, my
fault.)
- mei driver/bus fixes and new device ids
- interconnect driver fixes for reported problems
- vmci bugfix
- w1 driver bugfixes for reported problems
Almost all of these have been in linux-next with no reported problems,
the rest have all passed 0-day bot testing in my tree and on the mailing
lists where they have sat too long due to me taking a long time to catch
up on my pending patch queue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char/misc and other subsystem driver fixes for
6.2-rc5 to resolve a few reported issues. They include:
- long time pending fastrpc fixes (should have gone into 6.1, my
fault)
- mei driver/bus fixes and new device ids
- interconnect driver fixes for reported problems
- vmci bugfix
- w1 driver bugfixes for reported problems
Almost all of these have been in linux-next with no reported problems,
the rest have all passed 0-day bot testing in my tree and on the
mailing lists where they have sat too long due to me taking a long
time to catch up on my pending patch queue"
* tag 'char-misc-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
VMCI: Use threaded irqs instead of tasklets
misc: fastrpc: Pass bitfield into qcom_scm_assign_mem
gsmi: fix null-deref in gsmi_get_variable
misc: fastrpc: Fix use-after-free race condition for maps
misc: fastrpc: Don't remove map on creater_process and device_release
misc: fastrpc: Fix use-after-free and race in fastrpc_map_find
misc: fastrpc: fix error code in fastrpc_req_mmap()
mei: me: add meteor lake point M DID
mei: bus: fix unlink on bus in error path
w1: fix WARNING after calling w1_process()
w1: fix deadloop in __w1_remove_master_device()
comedi: adv_pci1760: Fix PWM instruction handling
interconnect: qcom: rpm: Use _optional func for provider clocks
interconnect: qcom: msm8996: Fix regmap max_register values
interconnect: qcom: msm8996: Provide UFS clocks to A2NoC
dt-bindings: interconnect: Add UFS clocks to MSM8996 A2NoC
Lots of dts fixes for Qualcomm Snapdragon and NXP i.MX platforms,
including:
- A regression fix for SDHCI controllers on Inforce 6540, and
another SDHCI fix on SM8350
- Reenable cluster idle on sm8250 after the the code fix is upstream
- multiple fixes for the QMP PHY binding, needing an incompatible
dt change
- The reserved memory map is updated on Xiaomi Mi 4C and Huawei Nexus
6P, to avoid instabilities caused by use of protected memory regions
- Fix i.MX8MP DT for missing GPC Interrupt, power-domain typo and USB
clock error
- A couple of verdin-imx8mm DT fixes for audio playback support
- Fix pca9547 i2c-mux node name for i.MX and Vybrid device trees
- Fix an imx93-11x11-evk uSDHC pad setting problem that causes Micron
eMMC CMD8 CRC error in HS400ES/HS400 mode
The remaining ARM and RISC-V platforms only have very few
smaller dts bugfixes this time:
- A fix for the SiFive unmatched board's PCI memory space
- A revert to fix a regression with GPIO on Marvell Armada
- A fix for the UART address on Marvell AC5
- Missing chip-select phandles for stm32 boards
- Selecting the correct clock for the sam9x60 memory controller
- Amlogic based Odroid-HC4 needs a revert to restore USB
functionality.
And finally, there are some minor code fixes:
- Build fixes for OMAP1, pxa, riscpc, raspberry pi firmware, and zynq
firmware
- memory controller driver fixes for an OMAP regression and older bugs
on tegra, atmel and mvebu
- reset controller fixes for ti-sci and uniphier platforms
- ARM SCMI firmware fixes for a couple of rare corner cases
- Qualcomm platform driver fixes for incorrect error handling and a
backwards compatibility fix for the apr driver using older dtb
- NXP i.MX SoC driver fixes for HDMI output, error handling in the imx8
soc-id and missing reference counting on older cpuid code
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Merge tag 'soc-fixes-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC DT and driver fixes from Arnd Bergmann:
"Lots of dts fixes for Qualcomm Snapdragon and NXP i.MX platforms,
including:
- A regression fix for SDHCI controllers on Inforce 6540, and another
SDHCI fix on SM8350
- Reenable cluster idle on sm8250 after the the code fix is upstream
- multiple fixes for the QMP PHY binding, needing an incompatible dt
change
- The reserved memory map is updated on Xiaomi Mi 4C and Huawei Nexus
6P, to avoid instabilities caused by use of protected memory
regions
- Fix i.MX8MP DT for missing GPC Interrupt, power-domain typo and USB
clock error
- A couple of verdin-imx8mm DT fixes for audio playback support
- Fix pca9547 i2c-mux node name for i.MX and Vybrid device trees
- Fix an imx93-11x11-evk uSDHC pad setting problem that causes Micron
eMMC CMD8 CRC error in HS400ES/HS400 mode
The remaining ARM and RISC-V platforms only have very few smaller dts
bugfixes this time:
- A fix for the SiFive unmatched board's PCI memory space
- A revert to fix a regression with GPIO on Marvell Armada
- A fix for the UART address on Marvell AC5
- Missing chip-select phandles for stm32 boards
- Selecting the correct clock for the sam9x60 memory controller
- Amlogic based Odroid-HC4 needs a revert to restore USB
functionality.
And finally, there are some minor code fixes:
- Build fixes for OMAP1, pxa, riscpc, raspberry pi firmware, and zynq
firmware
- memory controller driver fixes for an OMAP regression and older
bugs on tegra, atmel and mvebu
- reset controller fixes for ti-sci and uniphier platforms
- ARM SCMI firmware fixes for a couple of rare corner cases
- Qualcomm platform driver fixes for incorrect error handling and a
backwards compatibility fix for the apr driver using older dtb
- NXP i.MX SoC driver fixes for HDMI output, error handling in the
imx8 soc-id and missing reference counting on older cpuid code"
* tag 'soc-fixes-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (60 commits)
firmware: zynqmp: fix declarations for gcc-13
ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp151a-prtt1l
ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp157c-emstamp-argon
ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp15xx-dhcom-som
ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp15xx-dhcor-som
ARM: dts: at91: sam9x60: fix the ddr clock for sam9x60
ARM: omap1: fix building gpio15xx
ARM: omap1: fix !ARCH_OMAP1_ANY link failures
firmware: raspberrypi: Fix type assignment
arm64: dts: qcom: msm8992-libra: Fix the memory map
arm64: dts: qcom: msm8992: Don't use sfpb mutex
PM: AVS: qcom-cpr: Fix an error handling path in cpr_probe()
arm64: dts: msm8994-angler: fix the memory map
arm64: dts: marvell: AC5/AC5X: Fix address for UART1
ARM: footbridge: drop unnecessary inclusion
Revert "ARM: dts: armada-39x: Fix compatible string for gpios"
Revert "ARM: dts: armada-38x: Fix compatible string for gpios"
ARM: pxa: enable PXA310/PXA320 for DT-only build
riscv: dts: sifive: fu740: fix size of pcie 32bit memory
soc: qcom: apr: Make qcom,protection-domain optional again
...
KASAN reported a null-ptr-deref error:
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 1373 Comm: modprobe
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)
RIP: 0010:dmi_sysfs_entry_release
...
Call Trace:
<TASK>
kobject_put
dmi_sysfs_register_handle (drivers/firmware/dmi-sysfs.c:540) dmi_sysfs
dmi_decode_table (drivers/firmware/dmi_scan.c:133)
dmi_walk (drivers/firmware/dmi_scan.c:1115)
dmi_sysfs_init (drivers/firmware/dmi-sysfs.c:149) dmi_sysfs
do_one_initcall (init/main.c:1296)
...
Kernel panic - not syncing: Fatal exception
Kernel Offset: 0x4000000 from 0xffffffff81000000
---[ end Kernel panic - not syncing: Fatal exception ]---
It is because previous patch added kobject_put() to release the memory
which will call dmi_sysfs_entry_release() and list_del().
However, list_add_tail(entry->list) is called after the error block,
so the list_head is uninitialized and cannot be deleted.
Move error handling to after list_add_tail to fix this.
Fixes: 660ba678f9 ("firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle")
Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
Link: https://lore.kernel.org/r/20221111015326.251650-2-chenzhongjin@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We can get EFI variables without fetching the attribute, so we must
allow for that in gsmi.
commit 859748255b ("efi: pstore: Omit efivars caching EFI varstore
access layer") added a new get_variable call with attr=NULL, which
triggers panic in gsmi.
Fixes: 74c5b31c66 ("driver: Google EFI SMI")
Cc: stable <stable@kernel.org>
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Link: https://lore.kernel.org/r/20230118010212.1268474-1-khazhy@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently if a process repeat repeatedly reads the dmi sysfs raw event log
/sys/firmware/dmi/entries/15-0/system_event_log/raw_event_log when GPNV
support is missing or using an unknown access method the kernel log gets
spammed with info messages. Make the messages rate limited to reduce the
message spamming. Triggered when running sudo stress-ng --sysfs -t 5m.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20221129223855.1005674-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If add device "stratix10-rsu" failed in stratix10_svc_drv_probe(),
the 'svc_fifo' and 'genpool' need be freed in the error path.
If allocate or add device "intel-fcs" failed in stratix10_svc_drv_probe(),
the device "stratix10-rsu" need be unregistered in the error path.
Fixes: e6281c2667 ("firmware: stratix10-svc: Add support for FCS")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20221129163602.462369-2-dinguyen@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In error path in stratix10_svc_drv_probe(), gen_pool_destroy() should be called
to destroy the memory pool that created by svc_create_memory_pool().
Fixes: 7ca5ce8965 ("firmware: add Intel Stratix10 service layer driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20221129163602.462369-1-dinguyen@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On a system configured with multiple transport channels, expose a few
additional debugfs per-channel entries to allow a user to explicitly select
which transport channel to use for the SCMI message injection.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-18-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
When the raw support is enabled and configured in co-existence mode the
normal SCMI drivers are allowed to register with the SCMI core and
operate as usual alongside the raw operations.
SCMI normal and raw messages will be kept segregated from each other,
but only at the transaction level. Any further possible interference at
the protocol layer will have instead to be handled by the user to attain
reliable results while using the raw transactions.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-17-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Add a few call sites where, if SCMI raw mode access had been enabled in
Kconfig, the needed SCMI raw initialization and hooks are called.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-16-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Reject SCMI driver registration when SCMI raw mode support is configured,
so as to avoid interferences between the SCMI raw mode transactions and the
normal SCMI stack operations.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-15-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Add SCMI raw mode support which exposes a userspace interface to allow for
bare SCMI command injection and snooping from userspace.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-13-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Create a common SCMI debugfs root directory and populate it with some
common SCMI data for each discovered SCMI platform instance if SCMI
debugfs is needed by any configured SCMI facility.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-11-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Add the channel and platform instance indentifier to SCMI message dump
traces in order to easily associate message flows to specific transport
channels.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-9-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Add a couple of unique identifiers to channel and platform instance
descriptors in order to emit more descriptive message dump traces.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-8-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Move SCMI error codes definitions and helper to the common.h header
together with the delayed response timeout define.
No functional change.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-7-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
