LoongArch defines UPROBE_SWBP_INSN as a function call and this breaks
arch_uprobe_trampoline() which uses it to initialize a static variable.
Add the new "__builtin_constant_p" helper, __emit_break(), and redefine
the current users of larch_insn_gen_break() to use it.
Fixes: ff474a78ce ("uprobe: Add uretprobe syscall to speed up return probe")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Closes: https://lore.kernel.org/all/20240614174822.GA1185149@thelio-3990X/
Suggested-by: Andrii Nakryiko <andrii@kernel.org>
Tested-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Currently, there are some places to set CSR.PRMD.PWE, the first one is
in hw_breakpoint_thread_switch() to enable user space singlestep via
checking TIF_SINGLESTEP, the second one is in hw_breakpoint_control() to
enable user space watchpoint. For the latter case, it should also check
TIF_LOAD_WATCH to make the logic correct and clear.
Fixes: c8e57ab099 ("LoongArch: Trigger user-space watchpoints correctly")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
-Zdirect-access-external-data is a new Rust compiler option added in
Rust 1.78, which we use to optimize the access of external data in the
Linux kernel's Rust code. This patch modifies the Rust code in vmlinux
to directly access externa data, using PC-REL instead of GOT. However,
Rust code whithin modules is constrained by the PC-REL addressing range
and is explicitly set to use an indirect method.
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: WANG Rui <wangrui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
RELR as a relocation packing format for relative relocations for
reducing the size of relative relocation records. In a position
independent executable there are often many relative relocation
records, and our vmlinux is a PIE.
The LLD linker (since 17.0.0) and the BFD linker (since 2.43) supports
packing the relocations in the RELR format for LoongArch, with the flag
-z pack-relative-relocs.
Commits 5cf896fb6b ("arm64: Add support for relocating the kernel
with RELR relocations") and ccb2d173b9 ("Makefile: use -z
pack-relative-relocs") have already added the framework to use RELR.
We just need to wire it up and process the RELR relocation records in
relocate_relative() in addition to the RELA relocation records.
A ".p2align 3" directive is added to la_abs macro or the BFD linker
cannot pack the relocation records against the .la_abs section (the
". = ALIGN(8);" directive in vmlinux.lds.S is too late in the linking
process).
With defconfig and CONFIG_RELR vmlinux.efi is 2.1 MiB (6%) smaller, and
vmlinuz.efi (using gzip compression) is 384 KiB (2.8%) smaller.
Link: https://groups.google.com/d/topic/generic-abi/bX460iggiKg
Link: https://reviews.llvm.org/D138135#4531389
Link: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=d89ecf33ab6d
Signed-off-by: Xi Ruoyao <xry111@xry111.site>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
With our linker script "relocated_addr >= VMLINUX_LOAD_ADDRESS" should
be always true.
Signed-off-by: Xi Ruoyao <xry111@xry111.site>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
fw_arg1 is in memory space rather than I/O space, so we should use
early_memremap_ro() instead of early_ioremap() to map the cmdline.
Moreover, we should unmap it after using.
Suggested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Hibernation assumes the memory layout after resume be the same as that
before sleep, so it expects the kernel is loaded at the same position.
To achieve this goal we automatically disable KASLR if user explicitly
requests hibernation via the "resume=" command line. Since "nohibernate"
and "noresume" have higher priorities than "resume=", we only disable
KASLR if there is no "nohibernate" and "noresume".
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Most LoongArch 64 machines are using custom "SADR" ACPI extension to
perform ACPI S3 sleep. However the standard ACPI way to perform sleep
is to write a value to ACPI PM1/SLEEP_CTL register, and this is never
supported properly in kernel.
Add standard S3 sleep by providing a default DoSuspend function which
calls ACPI's acpi_enter_sleep_state() routine when SADR is not provided
by the firmware.
Also fix suspend assembly code so that ra is set properly before go
into sleep routine. (Previously linked address of jirl was set to a0,
some firmware do require return address in a0 but it's already set with
la.pcrel before).
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add architectural preparation for CPUFreq driver, including: Kconfig,
register definition and platform device registration.
Some of LoongArch processors support DVFS, their IOCSR.FEATURES has
IOCSRF_FREQSCALE set. And they has a micro-core in the package called
SMC (System Management Controller) to scale frequency, voltage, etc.
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Currently, only TLB-based ioremap() support writecombine, so add the
counterpart for DMW-based ioremap() with help of DMW2. The base address
(WRITECOMBINE_BASE) is configured as 0xa000000000000000.
DMW3 is unused by kernel now, however firmware may leave garbage in them
and interfere kernel's address mapping. So clear it as necessary.
BTW, centralize the DMW configuration to macro SETUP_DMWINS.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add ARCH_HAS_DEBUG_VM_PGTABLE selection in Kconfig, in order to make
corresponding vm debug features usable on LoongArch. Also update the
corresponding arch-support.txt document.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
In order for things like get_user_pages() to work on ZONE_DEVICE memory,
we need a software PTE bit to identify device-backed PFNs. Hook this up
along with the relevant helpers to join in with ARCH_HAS_PTE_DEVMAP.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add support of kernel stack offset randomization while handling syscall,
the offset is defaultly limited by KSTACK_OFFSET_MAX().
In order to avoid triggering stack canaries (due to __builtin_alloca())
and slowing down the entry path, use __no_stack_protector attribute to
disable stack protector for do_syscall() at function level.
With this patch, the REPORT_STACK test show that:
`loongarch64 bits of stack entropy: 7`
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add irq_work support for LoongArch via self IPIs. This make it possible
to run works in hardware interrupt context, which is a prerequisite for
NOHZ_FULL.
Implement:
- arch_irq_work_raise()
- arch_irq_work_has_interrupt()
Reviewed-by: Guo Ren <guoren@kernel.org>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Some drivers want to use cpu_logical_map(), early_cpu_to_node() and some
other CPU mapping APIs, even if we use "nr_cpus=1" to hard limit the CPU
number. This is strongly required for the multi-bridges machines.
Currently, we stop parsing the MADT if the nr_cpus limit is reached, but
to achieve the above goal we should always enumerate the MADT table and
setup logical-physical CPU mapping whether there is a nr_cpus limit.
Rework the MADT enumeration:
1. Define a flag "cpu_enumerated" to distinguish the first enumeration
(cpu_enumerated=0) and the physical hotplug case (cpu_enumerated=1)
for set_processor_mask().
2. If cpu_enumerated=0, stop parsing only when NR_CPUS limit is reached,
so we can setup logical-physical CPU mapping; if cpu_enumerated=1,
stop parsing when nr_cpu_ids limit is reached, so we can avoid some
runtime bugs. Once logical-physical CPU mapping is setup, we will let
cpu_enumerated=1.
3. Use find_first_zero_bit() instead of cpumask_next_zero() to find the
next zero bit (free logical CPU id) in the cpu_present_mask, because
cpumask_next_zero() will stop at nr_cpu_ids.
4. Only touch cpu_possible_mask if cpu_enumerated=0, this is in order to
avoid some potential crashes, because cpu_possible_mask is marked as
__ro_after_init.
5. In prefill_possible_map(), clear cpu_present_mask bits greater than
nr_cpu_ids, in order to avoid a CPU be "present" but not "possible".
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Chromium sandbox apparently wants to deny statx [1] so it could properly
inspect arguments after the sandboxed process later falls back to fstat.
Because there's currently not a "fd-only" version of statx, so that the
sandbox has no way to ensure the path argument is empty without being
able to peek into the sandboxed process's memory. For architectures able
to do newfstatat though, glibc falls back to newfstatat after getting
-ENOSYS for statx, then the respective SIGSYS handler [2] takes care of
inspecting the path argument, transforming allowed newfstatat's into
fstat instead which is allowed and has the same type of return value.
But, as LoongArch is the first architecture to not have fstat nor
newfstatat, the LoongArch glibc does not attempt falling back at all
when it gets -ENOSYS for statx -- and you see the problem there!
Actually, back when the LoongArch port was under review, people were
aware of the same problem with sandboxing clone3 [3], so clone was
eventually kept. Unfortunately it seemed at that time no one had noticed
statx, so besides restoring fstat/newfstatat to LoongArch uapi (and
postponing the problem further), it seems inevitable that we would need
to tackle seccomp deep argument inspection.
However, this is obviously a decision that shouldn't be taken lightly,
so we just restore fstat/newfstatat by defining __ARCH_WANT_NEW_STAT
in unistd.h. This is the simplest solution for now, and so we hope the
community will tackle the long-standing problem of seccomp deep argument
inspection in the future [4][5].
Also add "newstat" to syscall_abis_64 in Makefile.syscalls due to
upstream asm-generic changes.
More infomation please reading this thread [6].
[1] https://chromium-review.googlesource.com/c/chromium/src/+/2823150
[2] https://chromium.googlesource.com/chromium/src/sandbox/+/c085b51940bd/linux/seccomp-bpf-helpers/sigsys_handlers.cc#355
[3] https://lore.kernel.org/linux-arch/20220511211231.GG7074@brightrain.aerifal.cx/
[4] https://lwn.net/Articles/799557/
[5] https://lpc.events/event/4/contributions/560/attachments/397/640/deep-arg-inspection.pdf
[6] https://lore.kernel.org/loongarch/20240226-granit-seilschaft-eccc2433014d@brauner/T/#t
Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Reword the explanation of @xfer, the old one was confusing and mixing up
terminology. Other than that, capitalize some words correctly and use
full line length.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
The forward declaration is not needed anymore. The sentence about
"following structs" became obsolete when struct i2c_algorithm became a
kdoc. The paragraph about return values can go because we have this
information in kdoc already.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Camera Control Interface (CCI).
Added support for the "settle-time-us" property, which allows the
gpio-mux device to switch from one bus to another with a
configurable delay. The time can be set in the DTS.
The latest change also includes file sorting.
Fixed slot numbering in the SMBus framework to prevent failures
when more than 8 slots are occupied. It now enforces a a maximum
of 8 slots to be used. This ensures that the Intel PIIX4 device
can register the SPDs correctly without failure, even if other
slots are populated but not used.
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Merge tag 'i2c-host-6.11-part-2' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
Added descriptions in the DTS for the Qualcomm SM8650 and SM8550
Camera Control Interface (CCI).
Added support for the "settle-time-us" property, which allows the
gpio-mux device to switch from one bus to another with a
configurable delay. The time can be set in the DTS.
The latest change also includes file sorting.
Fixed slot numbering in the SMBus framework to prevent failures
when more than 8 slots are occupied. It now enforces a a maximum
of 8 slots to be used. This ensures that the Intel PIIX4 device
can register the SPDs correctly without failure, even if other
slots are populated but not used.
The Freescale MXC driver has been converted to the newer ->exec_op()
interface. The meson driver now supports handling the boot ROM area with
very specific ECC needs. Support for the iMX8QXP has been added to the
GPMI driver. The lpx32xx driver now can get the DMA channels using DT
entries. The Qcom binding has been improved to be more future proof by
Rob. And then there is the usual load of misc and minor changes.
SPI-NAND changes:
The Macronix vendor driver has been improved to support an extended ID
to avoid conflicting with older devices after an ID reuse issue.
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Merge tag 'nand/for-6.11' into mtd/next
Raw NAND changes;
The Freescale MXC driver has been converted to the newer ->exec_op()
interface. The meson driver now supports handling the boot ROM area with
very specific ECC needs. Support for the iMX8QXP has been added to the
GPMI driver. The lpx32xx driver now can get the DMA channels using DT
entries. The Qcom binding has been improved to be more future proof by
Rob. And then there is the usual load of misc and minor changes.
SPI-NAND changes:
The Macronix vendor driver has been improved to support an extended ID
to avoid conflicting with older devices after an ID reuse issue.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Notable changes:
- Drop support for Xilinx S3AN flashes. These flashes are for the very
old Xilinx Spartan 3 FPGAs and they need some awkward code in the core
to support. Drop support for these flashes, along with the special
handling we needed for them in the core like non-power-of-2 page size
handling and the .setup() callback.
- Fix regression for old w25q128 flashes without SFDP tables. Commit
83e824a4a5 ("mtd: spi-nor: Correct flags for Winbond w25q128")
dropped support for such devices under the assumption that they aren't
being used anymore. Users have now surfaced [0] so fix the regression
by supporting both kind of devices.
- Core cleanups including removal of SPI_NOR_NO_FR flag and
simplification of spi_nor_get_flash_info().
[0] https://lore.kernel.org/r/CALxbwRo_-9CaJmt7r7ELgu+vOcgk=xZcGHobnKf=oT2=u4d4aA@mail.gmail.com/
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Merge tag 'spi-nor/for-6.11' into mtd/next
SPI NOR changes for 6.11
Notable changes:
- Drop support for Xilinx S3AN flashes. These flashes are for the very
old Xilinx Spartan 3 FPGAs and they need some awkward code in the core
to support. Drop support for these flashes, along with the special
handling we needed for them in the core like non-power-of-2 page size
handling and the .setup() callback.
- Fix regression for old w25q128 flashes without SFDP tables. Commit
83e824a4a5 ("mtd: spi-nor: Correct flags for Winbond w25q128")
dropped support for such devices under the assumption that they aren't
being used anymore. Users have now surfaced [0] so fix the regression
by supporting both kind of devices.
- Core cleanups including removal of SPI_NOR_NO_FR flag and
simplification of spi_nor_get_flash_info().
[0] https://lore.kernel.org/r/CALxbwRo_-9CaJmt7r7ELgu+vOcgk=xZcGHobnKf=oT2=u4d4aA@mail.gmail.com/
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
The piix4 I2C bus can carry SPDs, register them if present.
Only look on bus 0, as this is where the SPDs seem to be located.
Only the first 8 slots are supported. If the system has more,
then these will not be visible.
The AUX bus can not be probed as on some platforms it reports all
devices present and all reads return "0".
This would allow the ee1004 to be probed incorrectly.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Kbuild provides scripts/Makefile.host to build host programs used for
building the kernel. Unfortunately, there are two exceptions that opt
out of Kbuild. The build system under tools/ is a cheesy replica, and
cause issues. I was recently poked about a problem in the tools build
system, which I do not maintain (and nobody maintains). [1]
Without a comment, people might believe this is the right location
because that is where objtool lives, even if a more robust Kbuild
syntax satisfies their needs. [2]
[1]: https://lore.kernel.org/linux-kbuild/ZnIYWBgrJ-IJtqK8@google.com/T/#m8ece130dd0e23c6f2395ed89070161948dee8457
[2]: https://lore.kernel.org/all/20240618200501.GA1611012@google.com/
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Nicolas Schier <nicolas@fjasle.eu>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
This prevents segfault when getting filename and lineno in recursive
checks.
If the following snippet is found in Kconfig:
[Test code 1]
config FOO
bool
depends on BAR
select BAR
... without BAR defined; then there is a segfault.
Kconfig:34:error: recursive dependency detected!
Kconfig:34: symbol FOO depends on BAR
make[4]: *** [scripts/kconfig/Makefile:85: allnoconfig] Segmentation fault
This is because of the following. BAR is a fake entry created by
sym_lookup() with prop being NULL. In the recursive check, there is a
NULL check for prop to fall back to stack->sym->prop if stack->prop is
NULL. However, in this case, stack->sym points to the fake BAR entry
created by sym_lookup(), so prop is still NULL. prop was then referenced
without additional NULL checks, causing segfault.
As the previous email thread suggests, the file and lineno for select is
also wrong:
[Test code 2]
config FOO
bool
config BAR
bool
config FOO
bool "FOO"
depends on BAR
select BAR
$ make defconfig
*** Default configuration is based on 'x86_64_defconfig'
Kconfig:1:error: recursive dependency detected!
Kconfig:1: symbol FOO depends on BAR
Kconfig:4: symbol BAR is selected by FOO
[...]
Kconfig:4 should be Kconfig:10.
This patch deletes the wrong and segfault-prone filename/lineno
inference completely. With this patch, Test code 1 yields:
error: recursive dependency detected!
symbol FOO depends on BAR
symbol BAR is selected by FOO
Signed-off-by: HONG Yifan <elsk@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Fix the following rpmbuild warning:
$ make srcrpm-pkg
...
RPM build warnings:
source_date_epoch_from_changelog set but %changelog is missing
Signed-off-by: Rafael Aquini <aquini@redhat.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Commit cf8e865810 ("arch: Remove Itanium (IA-64) architecture")
removed the last use of the absolute kallsyms.
Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/all/20240221202655.2423854-1-jannh@google.com/
[masahiroy@kernel.org: rebase the code and reword the commit description]
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
If INSTALL_PATH is not a valid directory, create it, like what
modules_install and dtbs_install will do in the same situation.
Signed-off-by: Zhang Bingwu <xtexchooser@duck.com>
Reviewed-by: Nicolas Schier <nicolas@jasle.eu>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Setting '-e' flag tells shells to exit with error exit code immediately
after any of commands fails, and causes make(1) to regard recipes as
failed.
Before this, make will still continue to succeed even after the
installation failed, for example, for insufficient permission or
directory does not exist.
Signed-off-by: Zhang Bingwu <xtexchooser@duck.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
I do not think the macros 'e1' and 'e2' are readable.
The statement:
e1 = expr_alloc_symbol(...);
affects the caller's variable, but this is not sufficiently clear from the code.
Remove the macros. No functional change intended.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
- Remove support for 40x CPUs & platforms.
- Add support to the 64-bit BPF JIT for cpu v4 instructions.
- Fix PCI hotplug driver crash on powernv.
- Fix doorbell emulation for KVM on PAPR guests (nestedv2).
- Fix KVM nested guest handling of some less used SPRs.
- Online NUMA nodes with no CPU/memory if they have a PCI device attached.
- Reduce memory overhead of enabling kfence on 64-bit Radix MMU kernels.
- Reimplement the iommu table_group_ops for pseries for VFIO SPAPR TCE.
Thanks to: Anjali K, Artem Savkov, Athira Rajeev, Breno Leitao, Brian King,
Celeste Liu, Christophe Leroy, Esben Haabendal, Gaurav Batra, Gautam Menghani,
Haren Myneni, Hari Bathini, Jeff Johnson, Krishna Kumar, Krzysztof Kozlowski,
Nathan Lynch, Nicholas Piggin, Nick Bowler, Nilay Shroff, Rob Herring (Arm),
Shawn Anastasio, Shivaprasad G Bhat, Sourabh Jain, Srikar Dronamraju, Timothy
Pearson, Uwe Kleine-König, Vaibhav Jain.
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Merge tag 'powerpc-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Remove support for 40x CPUs & platforms
- Add support to the 64-bit BPF JIT for cpu v4 instructions
- Fix PCI hotplug driver crash on powernv
- Fix doorbell emulation for KVM on PAPR guests (nestedv2)
- Fix KVM nested guest handling of some less used SPRs
- Online NUMA nodes with no CPU/memory if they have a PCI device
attached
- Reduce memory overhead of enabling kfence on 64-bit Radix MMU kernels
- Reimplement the iommu table_group_ops for pseries for VFIO SPAPR TCE
Thanks to: Anjali K, Artem Savkov, Athira Rajeev, Breno Leitao, Brian
King, Celeste Liu, Christophe Leroy, Esben Haabendal, Gaurav Batra,
Gautam Menghani, Haren Myneni, Hari Bathini, Jeff Johnson, Krishna
Kumar, Krzysztof Kozlowski, Nathan Lynch, Nicholas Piggin, Nick Bowler,
Nilay Shroff, Rob Herring (Arm), Shawn Anastasio, Shivaprasad G Bhat,
Sourabh Jain, Srikar Dronamraju, Timothy Pearson, Uwe Kleine-König, and
Vaibhav Jain.
* tag 'powerpc-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (57 commits)
Documentation/powerpc: Mention 40x is removed
powerpc: Remove 40x leftovers
macintosh/therm_windtunnel: fix module unload.
powerpc: Check only single values are passed to CPU/MMU feature checks
powerpc/xmon: Fix disassembly CPU feature checks
powerpc: Drop clang workaround for builtin constant checks
powerpc64/bpf: jit support for signed division and modulo
powerpc64/bpf: jit support for sign extended mov
powerpc64/bpf: jit support for sign extended load
powerpc64/bpf: jit support for unconditional byte swap
powerpc64/bpf: jit support for 32bit offset jmp instruction
powerpc/pci: Hotplug driver bridge support
pci/hotplug/pnv_php: Fix hotplug driver crash on Powernv
powerpc/configs: Update defconfig with now user-visible CONFIG_FSL_IFC
powerpc: add missing MODULE_DESCRIPTION() macros
macintosh/mac_hid: add MODULE_DESCRIPTION()
KVM: PPC: add missing MODULE_DESCRIPTION() macros
powerpc/kexec: Use of_property_read_reg()
powerpc/64s/radix/kfence: map __kfence_pool at page granularity
powerpc/pseries/iommu: Define spapr_tce_table_group_ops only with CONFIG_IOMMU_API
...
When mtk-cmdq unbinds, a WARN_ON message with condition
pm_runtime_get_sync() < 0 occurs.
According to the call tracei below:
cmdq_mbox_shutdown
mbox_free_channel
mbox_controller_unregister
__devm_mbox_controller_unregister
...
The root cause can be deduced to be calling pm_runtime_get_sync() after
calling pm_runtime_disable() as observed below:
1. CMDQ driver uses devm_mbox_controller_register() in cmdq_probe()
to bind the cmdq device to the mbox_controller, so
devm_mbox_controller_unregister() will automatically unregister
the device bound to the mailbox controller when the device-managed
resource is removed. That means devm_mbox_controller_unregister()
and cmdq_mbox_shoutdown() will be called after cmdq_remove().
2. CMDQ driver also uses devm_pm_runtime_enable() in cmdq_probe() after
devm_mbox_controller_register(), so that devm_pm_runtime_disable()
will be called after cmdq_remove(), but before
devm_mbox_controller_unregister().
To fix this problem, cmdq_probe() needs to move
devm_mbox_controller_register() after devm_pm_runtime_enable() to make
devm_pm_runtime_disable() be called after
devm_mbox_controller_unregister().
Fixes: 623a6143a8 ("mailbox: mediatek: Add Mediatek CMDQ driver")
Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
There are cases where remote that is acking mailbox message can take longer
than the default tx_poll_period value. Therefore, enable this to be mutable.
Added tx_poll_period field while inserting the module to set the
poll period for ack after sending mailbox message.
Signed-off-by: Ben Levinsky <ben.levinsky@amd.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
This newly added driver fails compile testing on 32-bit architectures
because it relies on 64-bit MMIO register access:
drivers/mailbox/qcom-cpucp-mbox.c: In function 'qcom_cpucp_mbox_irq_fn':
drivers/mailbox/qcom-cpucp-mbox.c:54:18: error: implicit declaration of function 'readq'; did you mean 'readb'? [-Wimplicit-function-declaration]
54 | status = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_STAT);
| ^~~~~
| readb
drivers/mailbox/qcom-cpucp-mbox.c:65:17: error: implicit declaration of function 'writeq'; did you mean 'writeb'? [-Wimplicit-function-declaration]
65 | writeq(BIT(i), cpucp->rx_base + APSS_CPUCP_RX_MBOX_CLEAR);
| ^~~~~~
| writeb
Change the Kconfig dependency to disallow that configuration as well.
Fixes: 0e2a9a0310 ("mailbox: Add support for QTI CPUCP mailbox controller")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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Merge tag 'pci-v6.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Define PCIE_RESET_CONFIG_DEVICE_WAIT_MS for the generic 100ms
required after reset before config access (Kevin Xie)
- Define PCIE_T_RRS_READY_MS for the generic 100ms required after
reset before config access (probably should be unified with
PCIE_RESET_CONFIG_DEVICE_WAIT_MS) (Damien Le Moal)
Resource management:
- Rename find_resource() to find_resource_space() to be more
descriptive (Ilpo Järvinen)
- Export find_resource_space() for use by PCI core, which needs to
learn whether there is available space for a bridge window (Ilpo
Järvinen)
- Prevent double counting of resources so window size doesn't grow on
each remove/rescan cycle (Ilpo Järvinen)
- Relax bridge window sizing algorithm so a device doesn't break
simply because it was removed and rescanned (Ilpo Järvinen)
- Evaluate the ACPI PRESERVE_BOOT_CONFIG _DSM in
pci_register_host_bridge() (not acpi_pci_root_create()) so we can
unify it with similar DT functionality (Vidya Sagar)
- Extend use of DT "linux,pci-probe-only" property so it works
per-host bridge as well as globally (Vidya Sagar)
- Unify support for ACPI PRESERVE_BOOT_CONFIG _DSM and the DT
"linux,pci-probe-only" property in pci_preserve_config() (Vidya
Sagar)
Driver binding:
- Add devres infrastructure for managed request and map of partial
BAR resources (Philipp Stanner)
- Deprecate pcim_iomap_table() because uses like
"pcim_iomap_table()[0]" have no good way to return errors (Philipp
Stanner)
- Add an always-managed pcim_request_region() for use instead of
pci_request_region() and similar, which are sometimes managed
depending on whether pcim_enable_device() has been called
previously (Philipp Stanner)
- Reimplement pcim_set_mwi() so it doesn't need to keep store MWI
state (Philipp Stanner)
- Add pcim_intx() for use instead of pci_intx(), which is sometimes
managed depending on whether pcim_enable_device() has been called
previously (Philipp Stanner)
- Add managed pcim_iomap_range() to allow mapping of a partial BAR
(Philipp Stanner)
- Fix a devres mapping leak in drm/vboxvideo (Philipp Stanner)
Error handling:
- Add missing bridge locking in device reset path and add a warning
for other possible lock issues (Dan Williams)
- Fix use-after-free on concurrent DPC and hot-removal (Lukas Wunner)
Power management:
- Disable AER and DPC during suspend to avoid spurious wakeups if
they share an interrupt with PME (Kai-Heng Feng)
PCIe native device hotplug:
- Detect if a device was removed or replaced during system sleep so
we don't assume a new device is the one that used to be there
(Lukas Wunner)
Virtualization:
- Add an ACS quirk for Broadcom BCM5760X multi-function NIC; it
prevents transactions between functions even though it doesn't
advertise ACS, so the functions can be attached individually via
VFIO (Ajit Khaparde)
Peer-to-peer DMA:
- Add a "pci=config_acs=" kernel command-line parameter to relax
default ACS settings to enable additional peer-to-peer
configurations. Requires expert knowledge of topology and ACS
operation (Vidya Sagar)
Endpoint framework:
- Remove unused struct pci_epf_group.type_group (Christophe JAILLET)
- Fix error handling in vpci_scan_bus() and epf_ntb_epc_cleanup()
(Dan Carpenter)
- Make struct pci_epc_class constant (Greg Kroah-Hartman)
- Remove unused pci_endpoint_test_bar_{readl,writel} functions
(Jiapeng Chong)
- Rename "BME" to "Bus Master Enable" (Manivannan Sadhasivam)
- Rename struct pci_epc_event_ops.core_init() callback to epc_init()
(Manivannan Sadhasivam)
- Move DMA init to MHI .epc_init() callback for uniformity
(Manivannan Sadhasivam)
- Cancel EPF test delayed work when link goes down (Manivannan
Sadhasivam)
- Add struct pci_epc_event_ops.epc_deinit() callback for cleanup
needed on fundamental reset (Manivannan Sadhasivam)
- Add 64KB alignment to endpoint test to support Rockchip rk3588
(Niklas Cassel)
- Optimize endpoint test by using memcpy() instead of readl() (Niklas
Cassel)
Device tree bindings:
- Add generic "ats-supported" property to advertise that a PCIe Root
Complex supports ATS (Jean-Philippe Brucker)
Amazon Annapurna Labs PCIe controller driver:
- Validate IORESOURCE_BUS presence to avoid NULL pointer dereference
(Aleksandr Mishin)
Axis ARTPEC-6 PCIe controller driver:
- Rename .cpu_addr_fixup() parameter to reflect that it is a PCI
address, not a CPU address (Niklas Cassel)
Freescale i.MX6 PCIe controller driver:
- Convert to agnostic GPIO API (Andy Shevchenko)
Freescale Layerscape PCIe controller driver:
- Make struct mobiveil_rp_ops constant (Christophe JAILLET)
- Use new generic dw_pcie_ep_linkdown() to handle link-down events
(Manivannan Sadhasivam)
HiSilicon Kirin PCIe controller driver:
- Convert to agnostic GPIO API (Andy Shevchenko)
- Use _scoped() iterator for OF children to ensure refcounts are
decremented at loop exit (Javier Carrasco)
Intel VMD host bridge driver:
- Create sysfs "domain" symlink before downstream devices are exposed
to userspace by pci_bus_add_devices() (Jiwei Sun)
Loongson PCIe controller driver:
- Enable MSI when LS7A is used with new CPUs that have integrated
PCIe Root Complex, e.g., Loongson-3C6000, so downstream devices can
use MSI (Huacai Chen)
Microchip AXI PolarFlare PCIe controller driver:
- Move pcie-microchip-host.c to a new PLDA directory (Minda Chen)
- Factor PLDA generic items out to a common
plda,xpressrich3-axi-common.yaml binding (Minda Chen)
- Factor PLDA generic data structures and code out to shared
pcie-plda.h, pcie-plda-host.c (Minda Chen)
- Add PLDA generic interrupt handling with a .request_event_irq()
callback for vendor-specific events (Minda Chen)
- Add PLDA generic host init/deinit and map bus functions for use by
vendor-specific drivers (Minda Chen)
- Rework to use PLDA core (Minda Chen)
Microsoft Hyper-V host bridge driver:
- Return zero, not garbage, when reading PCI_INTERRUPT_PIN (Wei Liu)
NVIDIA Tegra194 PCIe controller driver:
- Remove unused struct tegra_pcie_soc (Dr. David Alan Gilbert)
- Set 64KB inbound ATU alignment restriction (Jon Hunter)
Qualcomm PCIe controller driver:
- Make the MHI reg region mandatory for X1E80100, since all PCIe
controllers have it (Abel Vesa)
- Prevent use of uninitialized data and possible error pointer
dereference (Dan Carpenter)
- Return error, not success, if dev_pm_opp_find_freq_floor() fails
(Dan Carpenter)
- Add Operating Performance Points (OPP) support to scale performance
state based on aggregate link bandwidth to improve SoC power
efficiency (Krishna chaitanya chundru)
- Vote for the CPU-PCIe ICC (interconnect) path to ensure it stays
active even if other drivers don't vote for it (Krishna chaitanya
chundru)
- Use devm_clk_bulk_get_all() to get all the clocks from DT to avoid
writing out all the clock names (Manivannan Sadhasivam)
- Add DT binding and driver support for the SA8775P SoC (Mrinmay
Sarkar)
- Add HDMA support for the SA8775P SoC (Mrinmay Sarkar)
- Override the SA8775P NO_SNOOP default to avoid possible memory
corruption (Mrinmay Sarkar)
- Make sure resources are disabled during PERST# assertion, even if
the link is already disabled (Manivannan Sadhasivam)
- Use new generic dw_pcie_ep_linkdown() to handle link-down events
(Manivannan Sadhasivam)
- Add DT and endpoint driver support for the SA8775P SoC (Mrinmay
Sarkar)
- Add Hyper DMA (HDMA) support for the SA8775P SoC and enable it in
the EPF MHI driver (Mrinmay Sarkar)
- Set PCIE_PARF_NO_SNOOP_OVERIDE to override the default NO_SNOOP
attribute on the SA8775P SoC (both Root Complex and Endpoint mode)
to avoid possible memory corruption (Mrinmay Sarkar)
Renesas R-Car PCIe controller driver:
- Demote WARN() to dev_warn_ratelimited() in rcar_pcie_wakeup() to
avoid unnecessary backtrace (Marek Vasut)
- Add DT and driver support for R-Car V4H (R8A779G0) host and
endpoint. This requires separate proprietary firmware (Yoshihiro
Shimoda)
Rockchip PCIe controller driver:
- Assert PERST# for 100ms after power is stable (Damien Le Moal)
- Wait PCIE_T_RRS_READY_MS (100ms) after reset before starting
configuration (Damien Le Moal)
- Use GPIOD_OUT_LOW flag while requesting ep_gpio to fix a firmware
crash on Qcom-based modems with Rockpro64 board (Manivannan
Sadhasivam)
Rockchip DesignWare PCIe controller driver:
- Factor common parts of rockchip-dw-pcie DT binding to be shared by
Root Complex and Endpoint mode (Niklas Cassel)
- Add missing INTx signals to common DT binding (Niklas Cassel)
- Add eDMA items to DT binding for Endpoint controller (Niklas
Cassel)
- Fix initial dw-rockchip PERST# GPIO value to prevent unnecessary
short assert/deassert that causes issues with some WLAN controllers
(Niklas Cassel)
- Refactor dw-rockchip and add support for Endpoint mode (Niklas
Cassel)
- Call pci_epc_init_notify() and drop dw_pcie_ep_init_notify()
wrapper (Niklas Cassel)
- Add error messages in .probe() error paths to improve user
experience (Uwe Kleine-König)
Samsung Exynos PCIe controller driver:
- Use bulk clock APIs to simplify clock setup (Shradha Todi)
StarFive PCIe controller driver:
- Add DT binding and driver support for the StarFive JH7110
PLDA-based PCIe controller (Minda Chen)
Synopsys DesignWare PCIe controller driver:
- Add generic support for sending PME_Turn_Off when system suspends
(Frank Li)
- Fix incorrect interpretation of iATU slot 0 after PERST#
assert/deassert (Frank Li)
- Use msleep() instead of usleep_range() while waiting for link
(Konrad Dybcio)
- Refactor dw_pcie_edma_find_chip() to enable adding support for
Hyper DMA (HDMA) (Manivannan Sadhasivam)
- Enable drivers to supply the eDMA channel count since some can't
auto detect this (Manivannan Sadhasivam)
- Call pci_epc_init_notify() and drop dw_pcie_ep_init_notify()
wrapper (Manivannan Sadhasivam)
- Pass the eDMA mapping format directly from drivers instead of
maintaining a capability for it (Manivannan Sadhasivam)
- Add generic dw_pcie_ep_linkdown() to notify EPF drivers about
link-down events and restore non-sticky DWC registers lost on link
down (Manivannan Sadhasivam)
- Add vendor-specific "apb" reg name, interrupt names, INTx names to
generic binding (Niklas Cassel)
- Enforce DWC restriction that 64-bit BARs must start with an
even-numbered BAR (Niklas Cassel)
- Consolidate args of dw_pcie_prog_outbound_atu() into a structure
(Yoshihiro Shimoda)
- Add support for endpoints to send Message TLPs, e.g., for INTx
emulation (Yoshihiro Shimoda)
TI DRA7xx PCIe controller driver:
- Rename .cpu_addr_fixup() parameter to reflect that it is a PCI
address, not a CPU address (Niklas Cassel)
TI Keystone PCIe controller driver:
- Validate IORESOURCE_BUS presence to avoid NULL pointer dereference
(Aleksandr Mishin)
- Work around AM65x/DRA80xM Errata #i2037 that corrupts TLPs and
causes processor hangs by limiting Max_Read_Request_Size (MRRS) and
Max_Payload_Size (MPS) (Kishon Vijay Abraham I)
- Leave BAR 0 disabled for AM654x to fix a regression caused by
6ab15b5e70 ("PCI: dwc: keystone: Convert .scan_bus() callback to
use add_bus"), which caused a 45-second boot delay (Siddharth
Vadapalli)
Xilinx Versal CPM PCIe controller driver:
- Fix overlapping bridge registers and 32-bit BAR addresses in DT
binding (Thippeswamy Havalige)
MicroSemi Switchtec management driver:
- Make struct switchtec_class constant (Greg Kroah-Hartman)
Miscellaneous:
- Remove unused struct acpi_handle_node (Dr. David Alan Gilbert)
- Add missing MODULE_DESCRIPTION() macros (Jeff Johnson)"
* tag 'pci-v6.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (154 commits)
PCI: loongson: Enable MSI in LS7A Root Complex
PCI: Extend ACS configurability
PCI: Add missing bridge lock to pci_bus_lock()
drm/vboxvideo: fix mapping leaks
PCI: Add managed pcim_iomap_range()
PCI: Remove legacy pcim_release()
PCI: Add managed pcim_intx()
PCI: vmd: Create domain symlink before pci_bus_add_devices()
PCI: qcom: Prevent use of uninitialized data in qcom_pcie_suspend_noirq()
PCI: qcom: Prevent potential error pointer dereference
PCI: qcom: Fix missing error code in qcom_pcie_probe()
PCI: Give pcim_set_mwi() its own devres cleanup callback
PCI: Move struct pci_devres.pinned bit to struct pci_dev
PCI: Remove struct pci_devres.enabled status bit
PCI: Document hybrid devres hazards
PCI: Add managed pcim_request_region()
PCI: Deprecate pcim_iomap_table(), pcim_iomap_regions_request_all()
PCI: Add managed partial-BAR request and map infrastructure
PCI: Add devres helpers for iomap table
PCI: Add and use devres helper for bit masks
...
The check and warning are very specific to the SPD usage of the i801
driver. That was fine as long as i801 was the only caller of
i2c_register_spd(). Now that piix4 will be added as another user of that
function, the check and warning are not accurate anymore.
Instead of introducing a more complicated calling protocol only to print
a warning, drop the warning.
Even in cases where not all slots can be probed,
then at least probe the 8 slots that can be.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Some hardware need some time to switch from a bus to another. This can
cause the first transfers following the selection of a bus to fail.
There is no way to configure this kind of waiting time in the driver.
Add support for the 'settle-time-us' device-tree property. When set,
the i2c_mux_gpio_select() applies a delay before returning, leaving
enough time to the hardware to switch to the new bus.
Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
The #includes don't match alphabetic order.
Re-order #includes to match the alphabetic order before adding a new
one.
Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
I2C MUXes described by the i2c-gpio-mux sometimes need a significant
amount of time to switch from a bus to another. When a new bus is
selected, the first I2C transfer can fail if it occurs too early. There
is no way to describe this transition delay that has to be waited before
starting the first I2C transfer.
Add a 'settle-time-us' property that indicates the delay to be
respected before doing the first i2c transfer.
Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Add sm8650 compatible consistent with CAMSS CCI interfaces.
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Add sm8550 compatible consistent with CAMSS CCI interfaces, the list of
clocks is reduced by removing "slow_ahb_src" clock, which is derived
from "cpas_ahb" clock.
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
- streamlined logic in input core for handling normal input handlers vs
input filters
- updates to input drivers to allocate memory with sizeof(*pointer)
instead of sizeof(type)
- change to ads7846 touchscreen driver to use hsync GPIO instead of
requiring platform data with special method (which is not compatible
with boards using device tree)
- update to adc-joystick driver to handle inverted axes
- cleanups in various drivers switching them to use the new "guard"
and "__free()" facilities
- changes to several drivers (adxl34x, atmel_mxt_ts, ati-remote2,
omap-keypad, yealink) to stop creating driver-specific device
attributes manually and use driver core facilities for this
- update to Cypress PS/2 protocol driver to properly handle errors
from the PS/2 transport as well as other cleanups
- update to edt-ft5x06 driver to support ft5426 variant
- update to ektf2127 driver to support ektf2232 variant
- update to exc3000 driver to support EXC81W32 variant
- update to imagis driver to support IST3038 variant
- other assorted driver cleanups.
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Merge tag 'input-for-v6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- streamlined logic in input core for handling normal input handlers vs
input filters
- updates to input drivers to allocate memory with sizeof(*pointer)
instead of sizeof(type)
- change to ads7846 touchscreen driver to use hsync GPIO instead of
requiring platform data with special method (which is not compatible
with boards using device tree)
- update to adc-joystick driver to handle inverted axes
- cleanups in various drivers switching them to use the new "guard" and
"__free()" facilities
- changes to several drivers (adxl34x, atmel_mxt_ts, ati-remote2,
omap-keypad, yealink) to stop creating driver-specific device
attributes manually and use driver core facilities for this
- update to Cypress PS/2 protocol driver to properly handle errors from
the PS/2 transport as well as other cleanups
- update to edt-ft5x06 driver to support ft5426 variant
- update to ektf2127 driver to support ektf2232 variant
- update to exc3000 driver to support EXC81W32 variant
- update to imagis driver to support IST3038 variant
- other assorted driver cleanups.
* tag 'input-for-v6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (71 commits)
Input: yealink - simplify locking in sysfs attribute handling
Input: yealink - use driver core to instantiate device attributes
Input: ati-remote2 - use driver core to instantiate device attributes
Input: omap-keypad - use driver core to instantiate device attributes
Input: atmel_mxt_ts - use driver core to instantiate device attributes
Input: exc3000 - add EXC81W32 support
dt-bindings: input: touchscreen: exc3000: add EXC81W32
Input: twl4030-pwrbutton - fix kernel-doc warning
Input: himax_hx83112b - add support for HX83100A
Input: himax_hx83112b - add himax_chip struct for multi-chip support
Input: himax_hx83112b - implement MCU register reading
Input: himax_hx83112b - use more descriptive register defines
dt-bindings: input: touchscreen: himax,hx83112b: add HX83100A
Input: do not check number of events in input_pass_values()
Input: preallocate memory to hold event values
Input: rearrange input_alloc_device() to prepare for preallocating of vals
Input: simplify event handling logic
Input: make events() method return number of events processed
Input: make sure input handlers define only one processing method
Input: evdev - remove ->event() method
...
regarding unneeded 'driver_data' and more sanity checks in the char
device.
For the host drivers, this release includes significant updates, with
the primary change being the renaming from "master/slave" to
"controller/target" to adhere to I2C v7 and SMBus 3.2 standards.
New Support:
- Added support for Intel Arrow Lake-H.
- Added I2C support in the Arioha SoC by linking the Mediatek
I2C controller.
Cleanups:
- Added the MODULE_DESCRIPTION() macro, resolving a modpost
warning in the ALi 1563 Southbridge driver.
- Constified the regmap_config declaration in the i2c-designware
driver.
- Improved the coding style in the Renesas R-Car driver by
removing unnecessary semicolons after brackets.
General improvements:
- In the OMAP device, replaced NOIRQ_SYSTEM_SLEEP_PM_OPS with
RUNTIME_PM_OPS to enable waking up the controller during
suspend() before suspend_noirq() kicks in.
- Improved logging in the Xilinx driver.
- Added a warning (WARN()) in the Renesas R-Car driver for
spurious interrupts.
DTS Changes:
- Removed address-cell and size-cell from the Atmel at91sam,
nVidia Tegra 20, and Samsung S3c2410 devices.
- Fixed Texas Instruments OMAP4 I2C controller to comply with
the i2c-controller.yaml schema.
- Improved indentation in DTS examples for several I2C devices.
- Converted the NXP LPC1788 binding to the dt-schema.
- Added documentation for the compatible string
thead,th1520-i2c.
- Added the "power-domains" property for the Meson I2C driver.
AT24 EEPROM driver changes:
- add support for two new Microchip models
- document even more new models in DT bindings (those use fallback
compatibles so no code changes)
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Merge tag 'i2c-for-6.11-rc1-try2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"The I2C core gains documentation updates for the testunit, a cleanup
regarding unneeded 'driver_data' and more sanity checks in the char
device.
For the host drivers, this release includes significant updates, with
the primary change being the renaming from "master/slave" to
"controller/target" to adhere to I2C v7 and SMBus 3.2 standards.
New Support:
- Added support for Intel Arrow Lake-H
- Added I2C support in the Arioha SoC by linking the Mediatek I2C
controller
Cleanups:
- Added the MODULE_DESCRIPTION() macro, resolving a modpost warning
in the ALi 1563 Southbridge driver.
- Constified the regmap_config declaration in the i2c-designware
driver.
- Improved the coding style in the Renesas R-Car driver by removing
unnecessary semicolons after brackets.
General improvements:
- In the OMAP device, replaced NOIRQ_SYSTEM_SLEEP_PM_OPS with
RUNTIME_PM_OPS to enable waking up the controller during suspend()
before suspend_noirq() kicks in.
- Improved logging in the Xilinx driver.
- Added a warning (WARN()) in the Renesas R-Car driver for spurious
interrupts.
DTS Changes:
- Removed address-cell and size-cell from the Atmel at91sam, nVidia
Tegra 20, and Samsung S3c2410 devices.
- Fixed Texas Instruments OMAP4 I2C controller to comply with the
i2c-controller.yaml schema.
- Improved indentation in DTS examples for several I2C devices.
- Converted the NXP LPC1788 binding to the dt-schema.
- Added documentation for the compatible string thead,th1520-i2c.
- Added the "power-domains" property for the Meson I2C driver.
AT24 EEPROM driver changes:
- add support for two new Microchip models
- document even more new models in DT bindings (those use fallback
compatibles so no code changes)"
* tag 'i2c-for-6.11-rc1-try2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (87 commits)
i2c: document new callbacks in i2c_algorithm
dt-bindings: i2c: amlogic,meson6-i2c: add optional power-domains
dt-bindings: i2c: at91: Add sama7d65 compatible string
i2c: st: reword according to newest specification
i2c: cpm: reword according to newest specification
i2c: virtio: reword according to newest specification
i2c: nvidia-gpu: reword according to newest specification
i2c: viai2c: reword according to newest specification
i2c: viperboard: reword according to newest specification
i2c: uniphier: reword according to newest specification
i2c: uniphier-f: reword according to newest specification
i2c: tiny-usb: reword according to newest specification
i2c: thunderx-pcidrv: reword according to newest specification
i2c: tegra-bpmp: reword according to newest specification
i2c: taos-evm: reword according to newest specification
i2c: sun6i-p2wi: reword according to newest specification
i2c: stm32f4: reword according to newest specification
i2c: sprd: reword according to newest specification
i2c: sis5595: reword according to newest specification
i2c: rzv2m: reword according to newest specification
...
Here is the "big" set of char/misc and other driver subsystem changes
for 6.11-rc1. Nothing major in here, just loads of new drivers and
updates. Included in here are:
- IIO api updates and new drivers added
- wait_interruptable_timeout() api cleanups for some drivers
- MODULE_DESCRIPTION() additions for loads of drivers
- parport out-of-bounds fix
- interconnect driver updates and additions
- mhi driver updates and additions
- w1 driver fixes
- binder speedups and fixes
- eeprom driver updates
- coresight driver updates
- counter driver update
- new misc driver additions
- other minor api updates
All of these, EXCEPT for the final Kconfig build fix for 32bit systems,
have been in linux-next for a while with no reported issues. The
Kconfig fixup went in 29 hours ago, so might have missed the latest
linux-next, but was acked by everyone involved.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc and other driver updates from Greg KH:
"Here is the "big" set of char/misc and other driver subsystem changes
for 6.11-rc1. Nothing major in here, just loads of new drivers and
updates. Included in here are:
- IIO api updates and new drivers added
- wait_interruptable_timeout() api cleanups for some drivers
- MODULE_DESCRIPTION() additions for loads of drivers
- parport out-of-bounds fix
- interconnect driver updates and additions
- mhi driver updates and additions
- w1 driver fixes
- binder speedups and fixes
- eeprom driver updates
- coresight driver updates
- counter driver update
- new misc driver additions
- other minor api updates
All of these, EXCEPT for the final Kconfig build fix for 32bit
systems, have been in linux-next for a while with no reported issues.
The Kconfig fixup went in 29 hours ago, so might have missed the
latest linux-next, but was acked by everyone involved"
* tag 'char-misc-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (330 commits)
misc: Kconfig: exclude mrvl-cn10k-dpi compilation for 32-bit systems
misc: delete Makefile.rej
binder: fix hang of unregistered readers
misc: Kconfig: add a new dependency for MARVELL_CN10K_DPI
virtio: add missing MODULE_DESCRIPTION() macro
agp: uninorth: add missing MODULE_DESCRIPTION() macro
spmi: add missing MODULE_DESCRIPTION() macros
dev/parport: fix the array out-of-bounds risk
samples: configfs: add missing MODULE_DESCRIPTION() macro
misc: mrvl-cn10k-dpi: add Octeon CN10K DPI administrative driver
misc: keba: Fix missing AUXILIARY_BUS dependency
slimbus: Fix struct and documentation alignment in stream.c
MAINTAINERS: CC dri-devel list on Qualcomm FastRPC patches
misc: fastrpc: use coherent pool for untranslated Compute Banks
misc: fastrpc: support complete DMA pool access to the DSP
misc: fastrpc: add missing MODULE_DESCRIPTION() macro
misc: fastrpc: Add missing dev_err newlines
misc: fastrpc: Use memdup_user()
nvmem: core: Implement force_ro sysfs attribute
nvmem: Use sysfs_emit() for type attribute
...
This is the "big" staging driver update for 6.11-rc1. Not really all
that much happened this release cycle, just lots of tiny cleanups,
overall about 3000 lines removed, so the cleanups were worth it.
Included in here are:
- loads of rtl8723bs driver cleanups
- lots of rtl8192e driver cleanups
- vc04_services reworks and cleanups as that codebase gets slowly
evolved into something that will make it into the "real" part of the
kernel hopefully soon.
- other tiny staging driver cleanups
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 'staging-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"This is the "big" staging driver update for 6.11-rc1. Not really all
that much happened this release cycle, just lots of tiny cleanups,
overall about 3000 lines removed, so the cleanups were worth it.
Included in here are:
- loads of rtl8723bs driver cleanups
- lots of rtl8192e driver cleanups
- vc04_services reworks and cleanups as that codebase gets slowly
evolved into something that will make it into the "real" part of
the kernel hopefully soon.
- other tiny staging driver cleanups
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (124 commits)
staging: rtl8723bs: Remove constant result function CheckNegative()
staging: rtl8723bs: Remove unused macros in rtw_mlme_ext.h
staging: rtl8723bs: Remove unused macros in hal_pwr_seq.h
staging: rtl8723bs: Remove unused macros in rtw_efuse.h
staging: rtl8723bs: Remove unused macros in rtw_mlme.h
staging: rtl8723bs: Remove unused macros in HalPwrSeqCmd.h
staging: rtl8723bs: Remove unused macros in Hal8723BReg.h
staging: rtl8723bs: Remove unused macros in Hal8192CPhyReg.h
staging: rtl8723bs: Delete file hal_phy_reg_8723b.h
staging: rtl8723bs: Move last macro from hal_phy_reg_8723b.h
staging: rtl8723bs: Remove unused macros in hal_phy_reg_8723b.h
staging: rtl8723bs: Remove unused macros in hal_com_reg.h
staging: rtl8723bs: Remove unused macros in rtw_ht.h
staging: rtl8723bs: Remove unused macros in hal_com_h2c.h
staging: vc04_services: vchiq_core: Stop kthreads on vchiq module unload
staging: vchiq_core: Bubble up wait_event_interruptible() return value
staging: nvec: Use x instead of x != NULL to improve readability.
staging: rtl8192e: Fix conflicting types error with net_device.
staging: rtl8723bs: Remove unused variable pwdev_priv
staging: vc04_services: Update testing instructions
...
Here is the big set of USB and Thunderbolt changes for 6.11-rc1.
Nothing earth-shattering in here, just constant forward progress in
adding support for new hardware and better debugging functionalities for
thunderbolt devices and the subsystem. Included in here are:
- thunderbolt debugging update and driver additions
- xhci driver updates
- typec driver updates
- kselftest device driver changes (acked by the relevant maintainers,
depended on other changes in this tree.)
- cdns3 driver updates
- gadget driver updates
- MODULE_DESCRIPTION() additions
- dwc3 driver updates and fixes
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 'usb-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt changes for 6.11-rc1.
Nothing earth-shattering in here, just constant forward progress in
adding support for new hardware and better debugging functionalities
for thunderbolt devices and the subsystem. Included in here are:
- thunderbolt debugging update and driver additions
- xhci driver updates
- typec driver updates
- kselftest device driver changes (acked by the relevant maintainers,
depended on other changes in this tree.)
- cdns3 driver updates
- gadget driver updates
- MODULE_DESCRIPTION() additions
- dwc3 driver updates and fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (112 commits)
kselftest: devices: Add test to detect device error logs
kselftest: Move ksft helper module to common directory
kselftest: devices: Move discoverable devices test to subdirectory
usb: gadget: f_uac2: fix non-newline-terminated function name
USB: uas: Implement the new shutdown callback
USB: core: add 'shutdown' callback to usb_driver
usb: typec: Drop explicit initialization of struct i2c_device_id::driver_data to 0
usb: dwc3: enable CCI support for AMD-xilinx DWC3 controller
usb: dwc2: add support for other Lantiq SoCs
usb: gadget: Use u16 types for 16-bit fields
usb: gadget: midi2: Fix incorrect default MIDI2 protocol setup
usb: dwc3: core: Check all ports when set phy suspend
usb: typec: tcpci: add support to set connector orientation
dt-bindings: usb: Convert fsl-usb to yaml
usb: typec: ucsi: reorder operations in ucsi_run_command()
usb: typec: ucsi: extract common code for command handling
usb: typec: ucsi: inline ucsi_read_message_in
usb: typec: ucsi: rework command execution functions
usb: typec: ucsi: split read operation
usb: typec: ucsi: simplify command sending API
...
Here is a small set of tty and serial driver updates for 6.11-rc1. Not
much happened this cycle, unlike the previous kernel release which had
lots of "excitement" in this part of the kernel. Included in here are
the following changes:
- dt binding updates for new platforms
- 8250 driver updates
- various small serial driver fixes and updates
- printk/console naming and matching attempt #2 (was reverted for
6.10-final, should be good to go this time around, acked by the
relevant maintainers).
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 'tty-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial updates from Greg KH:
"Here is a small set of tty and serial driver updates for 6.11-rc1. Not
much happened this cycle, unlike the previous kernel release which had
lots of "excitement" in this part of the kernel. Included in here are
the following changes:
- dt binding updates for new platforms
- 8250 driver updates
- various small serial driver fixes and updates
- printk/console naming and matching attempt #2 (was reverted for
6.10-final, should be good to go this time around, acked by the
relevant maintainers).
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (22 commits)
Documentation: kernel-parameters: Add DEVNAME:0.0 format for serial ports
serial: core: Add serial_base_match_and_update_preferred_console()
printk: Add match_devname_and_update_preferred_console()
serial: sc16is7xx: hardware reset chip if reset-gpios is defined in DT
dt-bindings: serial: sc16is7xx: add reset-gpios
dt-bindings: serial: vt8500-uart: convert to json-schema
serial: 8250_platform: Explicitly show we initialise ISA ports only once
tty: add missing MODULE_DESCRIPTION() macros
dt-bindings: serial: mediatek,uart: add MT7988
serial: sh-sci: Add support for RZ/V2H(P) SoC
dt-bindings: serial: Add documentation for Renesas RZ/V2H(P) (R9A09G057) SCIF support
dt-bindings: serial: renesas,scif: Make 'interrupt-names' property as required
dt-bindings: serial: renesas,scif: Validate 'interrupts' and 'interrupt-names'
dt-bindings: serial: renesas,scif: Move ref for serial.yaml at the end
riscv: dts: starfive: jh7110: Add the core reset and jh7110 compatible for uarts
serial: 8250_dw: Use reset array API to get resets
dt-bindings: serial: snps-dw-apb-uart: Add one more reset signal for StarFive JH7110 SoC
serial: 8250: Extract platform driver
serial: 8250: Extract RSA bits
serial: imx: stop casting struct uart_port to struct imx_port
...
Including fixes from netfilter.
Current release - new code bugs:
- eth: fbnic: fix s390 build.
- eth: airoha: fix NULL pointer dereference in airoha_qdma_cleanup_rx_queue()
Previous releases - regressions:
- flow_dissector: use DEBUG_NET_WARN_ON_ONCE
- ipv4: fix incorrect TOS in route get reply
- dsa: fix chip-wide frame size config in some drivers
Previous releases - always broken:
- netfilter: nf_set_pipapo: fix initial map fill
- eth: gve: fix XDP TX completion handling when counters overflow
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter.
Notably this includes fixes for a s390 build breakage.
Current release - new code bugs:
- eth: fbnic: fix s390 build
- eth: airoha: fix NULL pointer dereference in
airoha_qdma_cleanup_rx_queue()
Previous releases - regressions:
- flow_dissector: use DEBUG_NET_WARN_ON_ONCE
- ipv4: fix incorrect TOS in route get reply
- dsa: fix chip-wide frame size config in some drivers
Previous releases - always broken:
- netfilter: nf_set_pipapo: fix initial map fill
- eth: gve: fix XDP TX completion handling when counters overflow"
* tag 'net-6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net:
eth: fbnic: don't build the driver when skb has more than 21 frags
net: dsa: b53: Limit chip-wide jumbo frame config to CPU ports
net: dsa: mv88e6xxx: Limit chip-wide frame size config to CPU ports
net: airoha: Fix NULL pointer dereference in airoha_qdma_cleanup_rx_queue()
net: wwan: t7xx: add support for Dell DW5933e
ipv4: Fix incorrect TOS in fibmatch route get reply
ipv4: Fix incorrect TOS in route get reply
net: flow_dissector: use DEBUG_NET_WARN_ON_ONCE
driver core: auxiliary bus: Fix documentation of auxiliary_device
net: airoha: fix error branch in airoha_dev_xmit and airoha_set_gdm_ports
gve: Fix XDP TX completion handling when counters overflow
ipvs: properly dereference pe in ip_vs_add_service
selftests: netfilter: add test case for recent mismatch bug
netfilter: nf_set_pipapo: fix initial map fill
netfilter: ctnetlink: use helper function to calculate expect ID
eth: fbnic: fix s390 build.
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Merge tag 'for-6.11-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"A fix for build breakage on 32bit platforms"
* tag 'for-6.11-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: change BTRFS_MOUNT_* flags to 64bit type
