Use the device_get_match_data() helper instead of open coding.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Use __maybe_unused for the suspend()/resume() hooks and get rid of
the CONFIG_PM_SLEEP ifdeffery to improve the code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The peripheral clock is optional and we may get an -EPROBE_DEFER error code
which would not be propagated correctly, fix this by using
devm_clk_get_optional().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Use SPDX-License-Identifier and add copyright for Allied Telesis
because of the reasonably large rewrite in the preceding patch.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The fsl-i2c controller will generate an interrupt after every byte
transferred. Make use of this interrupt to drive a state machine which
allows the next part of a transfer to happen as soon as the interrupt is
received. This is particularly helpful with SMBUS devices like the LM81
which will timeout if we take too long between bytes in a transfer.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Due to changes of HW memory model, we need to change Aldebaran
MTYPEs to meet HW changes.
Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This new interface passes both virtual and physical address
to PSP. It is backward compatible with old interface.
v2: use a function to simplify tmr physical address calc (Lijo)
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Use amdgpu_gmc_vram_pa and amdgpu_gmc_vram_cpu_pa
to simplify codes. No logic change.
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add one function to calculate BO's GPU physical address.
And another function to calculate BO's CPU physical address.
v2: Use functions vs macros (Christian)
Use more proper function names (Christian)
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Suggested-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
only output ras error status if an error bit is set or error counter is set
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
only output ras error status if an error bit is set
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
struct ubi_wl_entry is defined at 178th line.
The declaration here is unnecessary. Remove it.
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
overlayfs using jffs2 as the upper filesystem would fail in some cases
since moving to v5.10. The test case used was to run 'touch' on a file
that exists in the lower fs, causing the modification time to be
updated. It returns EINVAL when the bug is triggered.
A bisection showed this was introduced in v5.9-rc1, with commit
36e2c7421f ("fs: don't allow splice read/write without explicit ops").
Reverting that commit restores the expected behaviour.
Some digging showed that this was due to jffs2 lacking an implementation
of splice_write. (For unknown reasons the warn_unsupported that should
trigger was not displaying any output).
Adding this patch resolved the issue and the test now passes.
Cc: stable@vger.kernel.org
Fixes: 36e2c7421f ("fs: don't allow splice read/write without explicit ops")
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Lei YU <yulei.sh@bytedance.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Keep the logic to force-use VBIOS PPTable in aldebaran rather
than in generic SMU13.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Building with W=1 shows a few warnings for empty macros:
fs/jffs2/scan.c: In function 'jffs2_scan_xattr_node':
fs/jffs2/scan.c:378:66: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
378 | jffs2_sum_add_xattr_mem(s, rx, ofs - jeb->offset);
| ^
fs/jffs2/scan.c: In function 'jffs2_scan_xref_node':
fs/jffs2/scan.c:434:65: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
434 | jffs2_sum_add_xref_mem(s, rr, ofs - jeb->offset);
| ^
fs/jffs2/scan.c: In function 'jffs2_scan_eraseblock':
fs/jffs2/scan.c:893:88: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
893 | jffs2_sum_add_padding_mem(s, je32_to_cpu(node->totlen));
| ^
Change all these macros to 'do { } while (0)' statements to avoid the
warnings and make the code a little more robust.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
KASAN report a slab-out-of-bounds problem. The logs are listed below.
It is because in function jffs2_scan_dirent_node, we alloc "checkedlen+1"
bytes for fd->name and we check crc with length rd->nsize. If checkedlen
is less than rd->nsize, it will cause the slab-out-of-bounds problem.
jffs2: Dirent at *** has zeroes in name. Truncating to %d char
==================================================================
BUG: KASAN: slab-out-of-bounds in crc32_le+0x1ce/0x260 at addr ffff8800842cf2d1
Read of size 1 by task test_JFFS2/915
=============================================================================
BUG kmalloc-64 (Tainted: G B O ): kasan: bad access detected
-----------------------------------------------------------------------------
INFO: Allocated in jffs2_alloc_full_dirent+0x2a/0x40 age=0 cpu=1 pid=915
___slab_alloc+0x580/0x5f0
__slab_alloc.isra.24+0x4e/0x64
__kmalloc+0x170/0x300
jffs2_alloc_full_dirent+0x2a/0x40
jffs2_scan_eraseblock+0x1ca4/0x3b64
jffs2_scan_medium+0x285/0xfe0
jffs2_do_mount_fs+0x5fb/0x1bbc
jffs2_do_fill_super+0x245/0x6f0
jffs2_fill_super+0x287/0x2e0
mount_mtd_aux.isra.0+0x9a/0x144
mount_mtd+0x222/0x2f0
jffs2_mount+0x41/0x60
mount_fs+0x63/0x230
vfs_kern_mount.part.6+0x6c/0x1f4
do_mount+0xae8/0x1940
SyS_mount+0x105/0x1d0
INFO: Freed in jffs2_free_full_dirent+0x22/0x40 age=27 cpu=1 pid=915
__slab_free+0x372/0x4e4
kfree+0x1d4/0x20c
jffs2_free_full_dirent+0x22/0x40
jffs2_build_remove_unlinked_inode+0x17a/0x1e4
jffs2_do_mount_fs+0x1646/0x1bbc
jffs2_do_fill_super+0x245/0x6f0
jffs2_fill_super+0x287/0x2e0
mount_mtd_aux.isra.0+0x9a/0x144
mount_mtd+0x222/0x2f0
jffs2_mount+0x41/0x60
mount_fs+0x63/0x230
vfs_kern_mount.part.6+0x6c/0x1f4
do_mount+0xae8/0x1940
SyS_mount+0x105/0x1d0
entry_SYSCALL_64_fastpath+0x1e/0x97
Call Trace:
[<ffffffff815befef>] dump_stack+0x59/0x7e
[<ffffffff812d1d65>] print_trailer+0x125/0x1b0
[<ffffffff812d82c8>] object_err+0x34/0x40
[<ffffffff812dadef>] kasan_report.part.1+0x21f/0x534
[<ffffffff81132401>] ? vprintk+0x2d/0x40
[<ffffffff815f1ee2>] ? crc32_le+0x1ce/0x260
[<ffffffff812db41a>] kasan_report+0x26/0x30
[<ffffffff812d9fc1>] __asan_load1+0x3d/0x50
[<ffffffff815f1ee2>] crc32_le+0x1ce/0x260
[<ffffffff814764ae>] ? jffs2_alloc_full_dirent+0x2a/0x40
[<ffffffff81485cec>] jffs2_scan_eraseblock+0x1d0c/0x3b64
[<ffffffff81488813>] ? jffs2_scan_medium+0xccf/0xfe0
[<ffffffff81483fe0>] ? jffs2_scan_make_ino_cache+0x14c/0x14c
[<ffffffff812da3e9>] ? kasan_unpoison_shadow+0x35/0x50
[<ffffffff812da3e9>] ? kasan_unpoison_shadow+0x35/0x50
[<ffffffff812da462>] ? kasan_kmalloc+0x5e/0x70
[<ffffffff812d5d90>] ? kmem_cache_alloc_trace+0x10c/0x2cc
[<ffffffff818169fb>] ? mtd_point+0xf7/0x130
[<ffffffff81487dc9>] jffs2_scan_medium+0x285/0xfe0
[<ffffffff81487b44>] ? jffs2_scan_eraseblock+0x3b64/0x3b64
[<ffffffff812da3e9>] ? kasan_unpoison_shadow+0x35/0x50
[<ffffffff812da3e9>] ? kasan_unpoison_shadow+0x35/0x50
[<ffffffff812da462>] ? kasan_kmalloc+0x5e/0x70
[<ffffffff812d57df>] ? __kmalloc+0x12b/0x300
[<ffffffff812da462>] ? kasan_kmalloc+0x5e/0x70
[<ffffffff814a2753>] ? jffs2_sum_init+0x9f/0x240
[<ffffffff8148b2ff>] jffs2_do_mount_fs+0x5fb/0x1bbc
[<ffffffff8148ad04>] ? jffs2_del_noinode_dirent+0x640/0x640
[<ffffffff812da462>] ? kasan_kmalloc+0x5e/0x70
[<ffffffff81127c5b>] ? __init_rwsem+0x97/0xac
[<ffffffff81492349>] jffs2_do_fill_super+0x245/0x6f0
[<ffffffff81493c5b>] jffs2_fill_super+0x287/0x2e0
[<ffffffff814939d4>] ? jffs2_parse_options+0x594/0x594
[<ffffffff81819bea>] mount_mtd_aux.isra.0+0x9a/0x144
[<ffffffff81819eb6>] mount_mtd+0x222/0x2f0
[<ffffffff814939d4>] ? jffs2_parse_options+0x594/0x594
[<ffffffff81819c94>] ? mount_mtd_aux.isra.0+0x144/0x144
[<ffffffff81258757>] ? free_pages+0x13/0x1c
[<ffffffff814fa0ac>] ? selinux_sb_copy_data+0x278/0x2e0
[<ffffffff81492b35>] jffs2_mount+0x41/0x60
[<ffffffff81302fb7>] mount_fs+0x63/0x230
[<ffffffff8133755f>] ? alloc_vfsmnt+0x32f/0x3b0
[<ffffffff81337f2c>] vfs_kern_mount.part.6+0x6c/0x1f4
[<ffffffff8133ceec>] do_mount+0xae8/0x1940
[<ffffffff811b94e0>] ? audit_filter_rules.constprop.6+0x1d10/0x1d10
[<ffffffff8133c404>] ? copy_mount_string+0x40/0x40
[<ffffffff812cbf78>] ? alloc_pages_current+0xa4/0x1bc
[<ffffffff81253a89>] ? __get_free_pages+0x25/0x50
[<ffffffff81338993>] ? copy_mount_options.part.17+0x183/0x264
[<ffffffff8133e3a9>] SyS_mount+0x105/0x1d0
[<ffffffff8133e2a4>] ? copy_mnt_ns+0x560/0x560
[<ffffffff810e8391>] ? msa_space_switch_handler+0x13d/0x190
[<ffffffff81be184a>] entry_SYSCALL_64_fastpath+0x1e/0x97
[<ffffffff810e9274>] ? msa_space_switch+0xb0/0xe0
Memory state around the buggy address:
ffff8800842cf180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8800842cf200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8800842cf280: fc fc fc fc fc fc 00 00 00 00 01 fc fc fc fc fc
^
ffff8800842cf300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8800842cf380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
Cc: stable@vger.kernel.org
Reported-by: Kunkun Xu <xukunkun1@huawei.com>
Signed-off-by: lizhe <lizhe67@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of letting the code fall
through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
There is no other way to directly report/query this
quantity. It is useful when planing how given filesystem
can be resized.
Signed-off-by: Martin Devera <devik@eaxlabs.cz>
Signed-off-by: Richard Weinberger <richard@nod.at>
This is required to provide uuid based integrity functionality for:
ima_policy (fsuuid option) and the 'evmctl' command ('--uuid' option).
Co-developed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Co-developed-by: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Compared to lzo and zlib, zstd is the best all-around performer, both in terms
of speed and compression ratio. Set it as the default, if available.
Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Conside the following case, it just write a big file into flash,
when complete writing, delete the file, and then power off promptly.
Next time power on, we'll get a replay list like:
...
LEB 1105:211344 len 4144 deletion 0 sqnum 428783 key type 1 inode 80
LEB 15:233544 len 160 deletion 1 sqnum 428785 key type 0 inode 80
LEB 1105:215488 len 4144 deletion 0 sqnum 428787 key type 1 inode 80
...
In the replay list, data nodes' deletion are 0, and the inode node's
deletion is 1. In current logic, the file's dentry will be removed,
but inode and the flash space it occupied will be reserved.
User will see that much free space been disappeared.
We only need to check the deletion value of the following inode type
node of the replay entry.
Fixes: e58725d51f ("ubifs: Handle re-linking of inodes correctly while recovery")
Cc: stable@vger.kernel.org
Signed-off-by: Guochun Mao <guochun.mao@mediatek.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Add __T_VERBOSE() so tests can add verbose output. The verbose output is
enabled with the '-v' command line option. Running 'make tests V=1' will
enable the '-v' option when running the tests.
It'll be used in the next patch, for a user space counter access test.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Itaru Kitayama <itaru.kitayama@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Link: http://lore.kernel.org/lkml/20210414155412.3697605-3-robh@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
In order to support usersapce access, an event must be mmapped. While
there's already mmap support for evlist, the usecase is a bit different
than the self monitoring with userspace access. So let's add new
perf_evsel__mmap()/perf_evsel_munmap() functions to mmap/munmap an
evsel. This allows implementing userspace access as a fastpath for
perf_evsel__read().
The mmapped address is returned by perf_evsel__mmap_base() which
primarily for users/tests to check if userspace access is enabled.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Itaru Kitayama <itaru.kitayama@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Link: http://lore.kernel.org/lkml/20210414155412.3697605-2-robh@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Add an initial math64.h similar to linux/math64.h with functions
mul_u64_u64_div64() and mul_u64_u32_shr(). This isn't a direct copy of
include/linux/math64.h as that doesn't define mul_u64_u64_div64().
Implementation was written by Peter Zilkstra based on linux/math64.h
and div64.h[1]. The original implementation was not optimal on arm64 as
__int128 division is not optimal with a call out to __udivti3, so I
dropped the __int128 variant of mul_u64_u64_div64().
[1] https://lore.kernel.org/lkml/20200322101848.GF2452@worktop.programming.kicks-ass.net/
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Itaru Kitayama <itaru.kitayama@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Link: http://lore.kernel.org/lkml/20210414155412.3697605-2-robh@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Before:
# perf record -a cycles,instructions,cache-misses
Workload failed: No such file or directory
#
After:
# perf record -a cycles,instructions,cache-misses
Failed to collect 'cycles' for the 'cycles,instructions,cache-misses' workload: No such file or directory
#
Helps disambiguating other error scenarios:
# perf record -a -e cycles,instructions,cache-misses bla
Failed to collect 'cycles,instructions,cache-misses' for the 'bla' workload: No such file or directory
# perf record -a cycles,instructions,cache-misses sleep 1
Failed to collect 'cycles' for the 'cycles,instructions,cache-misses' workload: No such file or directory
#
When all goes well we're back to the usual:
# perf record -a -e cycles,instructions,cache-misses sleep 1
[ perf record: Woken up 3 times to write data ]
[ perf record: Captured and wrote 3.151 MB perf.data (21242 samples) ]
#
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20210414131628.2064862-3-acme@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Add a 'scnprintf' method to obtain the list of evsels in a evlist as a
string, excluding the "dummy" event used for things like receiving
metadata events (PERF_RECORD_FORK, MMAP, etc) when synthesizing
preexisting threads.
Will be used to improve the error message for workload failure in 'perf
record.
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20210414131628.2064862-2-acme@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* Handle possible -EPROBE_DEFER from parse_mtd_partitions()
NAND core:
* Fix error handling in nand_prog_page_op() (x2)
* Add a helper to retrieve the number of ECC bytes per step
* Add a helper to retrieve the number of ECC steps
* Let ECC engines advertize the exact number of steps
* ECC Hamming:
- Populate the public nsteps field
- Use the public nsteps field
* ECC BCH:
- Populate the public nsteps field
- Use the public nsteps field
Raw NAND core:
* Add support for secure regions in NAND memory
* Try not to use the ECC private structures
* Remove duplicate include in rawnand.h
* BBT:
- Skip bad blocks when searching for the BBT in NAND
Raw NAND controller drivers:
* Qcom:
- Convert bindings to YAML
- Use dma_mapping_error() for error check
- Add missing nand_cleanup() in error path
- Return actual error code instead of -ENODEV
- Update last code word register
- Add helper to configure location register
- Rename parameter name in macro
- Add helper to check last code word
- Convert nandc to chip in Read/Write helper
- Update register macro name for 0x2c offset
* GPMI:
- Fix a double free in gpmi_nand_init
* Rockchip:
- Use flexible-array member instead of zero-length array
* Atmel:
- Update ecc_stats.corrected counter
* MXC:
- Remove unneeded of_match_ptr()
* R852:
- replace spin_lock_irqsave by spin_lock in hard IRQ
* Brcmnand:
- Move to polling in pio mode on oops write
- Read/write oob during EDU transfer
- Fix OOB R/W with Hamming ECC
* FSMC:
- Fix error code in fsmc_nand_probe()
* OMAP:
- Use ECC information from the generic structures
SPI-NAND core:
* Add missing MODULE_DEVICE_TABLE()
SPI-NAND drivers:
* gigadevice: Support GD5F1GQ5UExxG
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Merge tag 'nand/for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next
MTD core:
* Handle possible -EPROBE_DEFER from parse_mtd_partitions()
NAND core:
* Fix error handling in nand_prog_page_op() (x2)
* Add a helper to retrieve the number of ECC bytes per step
* Add a helper to retrieve the number of ECC steps
* Let ECC engines advertize the exact number of steps
* ECC Hamming:
- Populate the public nsteps field
- Use the public nsteps field
* ECC BCH:
- Populate the public nsteps field
- Use the public nsteps field
Raw NAND core:
* Add support for secure regions in NAND memory
* Try not to use the ECC private structures
* Remove duplicate include in rawnand.h
* BBT:
- Skip bad blocks when searching for the BBT in NAND
Raw NAND controller drivers:
* Qcom:
- Convert bindings to YAML
- Use dma_mapping_error() for error check
- Add missing nand_cleanup() in error path
- Return actual error code instead of -ENODEV
- Update last code word register
- Add helper to configure location register
- Rename parameter name in macro
- Add helper to check last code word
- Convert nandc to chip in Read/Write helper
- Update register macro name for 0x2c offset
* GPMI:
- Fix a double free in gpmi_nand_init
* Rockchip:
- Use flexible-array member instead of zero-length array
* Atmel:
- Update ecc_stats.corrected counter
* MXC:
- Remove unneeded of_match_ptr()
* R852:
- replace spin_lock_irqsave by spin_lock in hard IRQ
* Brcmnand:
- Move to polling in pio mode on oops write
- Read/write oob during EDU transfer
- Fix OOB R/W with Hamming ECC
* FSMC:
- Fix error code in fsmc_nand_probe()
* OMAP:
- Use ECC information from the generic structures
SPI-NAND core:
* Add missing MODULE_DEVICE_TABLE()
SPI-NAND drivers:
* gigadevice: Support GD5F1GQ5UExxG
- Add OTP support
- Fix module unload while an op in progress
- Add various cleanup patches
SPI NOR controller drivers changes:
- intel-spi: Move platform data header to x86 subfolder
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Merge tag 'spi-nor/for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next
SPI NOR core changes:
- Add OTP support
- Fix module unload while an op in progress
- Add various cleanup patches
SPI NOR controller drivers changes:
- intel-spi: Move platform data header to x86 subfolder
Just a couple of fixes for v5.13-rc1
* Disable broken buffered writes for CFI chips within ID 0x2201
* Address a Coverity report for unused value
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Merge tag 'cfi/for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next
CFI changes
Just a couple of fixes for v5.13-rc1
* Disable broken buffered writes for CFI chips within ID 0x2201
* Address a Coverity report for unused value
If the option is activated the function tracing record gets
consolidated in the cases when a single function is called number
of times consecutively. Instead of having an identical record for
each call of the function we will record only the first call
following by event showing the number of repeats.
Link: https://lkml.kernel.org/r/20210415181854.147448-7-y.karadz@gmail.com
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Currently the logic for dealing with the options for function tracing
has two different implementations. One is used when we set the flags
(in "static int func_set_flag()") and another used when we initialize
the tracer (in "static int function_trace_init()"). Those two
implementations are meant to do essentially the same thing and they
are both not very convenient for adding new options. In this patch
we add a helper function that provides a single implementation of
the logic for dealing with the options and we make it such that new
options can be easily added.
Link: https://lkml.kernel.org/r/20210415181854.147448-6-y.karadz@gmail.com
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This patch only provides the implementation of the method.
Later we will used it in a combination with a new option for
function tracing.
Link: https://lkml.kernel.org/r/20210415181854.147448-5-y.karadz@gmail.com
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
The field is used to keep track of the consecutive (on the same CPU) calls
of a single function. This information is needed in order to consolidate
the function tracing record in the cases when a single function is called
number of times.
Link: https://lkml.kernel.org/r/20210415181854.147448-4-y.karadz@gmail.com
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
The event aims to consolidate the function tracing record in the cases
when a single function is called number of times consecutively.
while (cond)
do_func();
This may happen in various scenarios (busy waiting for example).
The new ftrace event can be used to show repeated function events with
a single event and save space on the ring buffer
Link: https://lkml.kernel.org/r/20210415181854.147448-3-y.karadz@gmail.com
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
The part of the code that prints the time of the trace record in
"int trace_print_context()" gets extracted in a static function. This
is done as a preparation for a following patch, in which we will define
a new ftrace event called "func_repeats". The new static method,
defined here, will be used by this new event to print the time of the
last repeat of a function that is consecutively called number of times.
Link: https://lkml.kernel.org/r/20210415181854.147448-2-y.karadz@gmail.com
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Pull MD updates from Song:
"1. mddev_find_or_alloc() clean up, from Christoph.
2. Fix NULL pointer deref with external bitmap, from Sudhakar."
* 'md-next' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
md/bitmap: wait for external bitmap writes to complete during tear down
md: do not return existing mddevs from mddev_find_or_alloc
md: refactor mddev_find_or_alloc
md: factor out a mddev_alloc_unit helper from mddev_find
- refactor the ioctl coee
- fix a segmentation fault during io parsing error in nvmet-tcp
(Elad Grupi)
- fix NULL derefence in nvme_ctrl_fast_io_fail_tmo_show/store
(Gopal Tiwari)
- properly respect the sgl_threshold flag in nvme-pci (Niklas Cassel)
- misc cleanups (Niklas Cassel, Amit Engel, Minwoo Im, Colin Ian King)
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Merge tag 'nvme-5.13-2021-04-15' of git://git.infradead.org/nvme into for-5.13/drivers
Pull NVMe updates from Christoph:
"nvme updates for Linux 5.13
- refactor the ioctl code
- fix a segmentation fault during io parsing error in nvmet-tcp
(Elad Grupi)
- fix NULL derefence in nvme_ctrl_fast_io_fail_tmo_show/store
(Gopal Tiwari)
- properly respect the sgl_threshold flag in nvme-pci (Niklas Cassel)
- misc cleanups (Niklas Cassel, Amit Engel, Minwoo Im, Colin Ian King)"
* tag 'nvme-5.13-2021-04-15' of git://git.infradead.org/nvme:
nvme: fix NULL derefence in nvme_ctrl_fast_io_fail_tmo_show/store
nvme: let namespace probing continue for unsupported features
nvme: factor out nvme_ns_open and nvme_ns_release helpers
nvme: move nvme_ns_head_ops to multipath.c
nvme: factor out a nvme_tryget_ns_head helper
nvme: move the ioctl code to a separate file
nvme: don't bother to look up a namespace for controller ioctls
nvme: simplify block device ioctl handling for the !multipath case
nvme: simplify the compat ioctl handling
nvme: factor out a nvme_ns_ioctl helper
nvme: pass a user pointer to nvme_nvm_ioctl
nvme: cleanup setting the disk name
nvme: add a nvme_ns_head_multipath helper
nvme: remove single trailing whitespace
nvme-multipath: remove single trailing whitespace
nvme-pci: remove single trailing whitespace
nvme-pci: don't simple map sgl when sgls are disabled
nvmet: fix a spelling mistake "nubmer" -> "number"
nvmet-fc: simplify nvmet_fc_alloc_hostport
nvmet-tcp: fix a segmentation fault during io parsing error
NULL pointer dereference was observed in super_written() when it tries
to access the mddev structure.
[The below stack trace is from an older kernel, but the problem described
in this patch applies to the mainline kernel.]
[ 1194.474861] task: ffff8fdd20858000 task.stack: ffffb99d40790000
[ 1194.488000] RIP: 0010:super_written+0x29/0xe1
[ 1194.499688] RSP: 0018:ffff8ffb7fcc3c78 EFLAGS: 00010046
[ 1194.512477] RAX: 0000000000000000 RBX: ffff8ffb7bf4a000 RCX: ffff8ffb78991048
[ 1194.527325] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8ffb56b8a200
[ 1194.542576] RBP: ffff8ffb7fcc3c90 R08: 000000000000000b R09: 0000000000000000
[ 1194.558001] R10: ffff8ffb56b8a298 R11: 0000000000000000 R12: ffff8ffb56b8a200
[ 1194.573070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 1194.588117] FS: 0000000000000000(0000) GS:ffff8ffb7fcc0000(0000) knlGS:0000000000000000
[ 1194.604264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1194.617375] CR2: 00000000000002b8 CR3: 00000021e040a002 CR4: 00000000007606e0
[ 1194.632327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1194.647865] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1194.663316] PKRU: 55555554
[ 1194.674090] Call Trace:
[ 1194.683735] <IRQ>
[ 1194.692948] bio_endio+0xae/0x135
[ 1194.703580] blk_update_request+0xad/0x2fa
[ 1194.714990] blk_update_bidi_request+0x20/0x72
[ 1194.726578] __blk_end_bidi_request+0x2c/0x4d
[ 1194.738373] __blk_end_request_all+0x31/0x49
[ 1194.749344] blk_flush_complete_seq+0x377/0x383
[ 1194.761550] flush_end_io+0x1dd/0x2a7
[ 1194.772910] blk_finish_request+0x9f/0x13c
[ 1194.784544] scsi_end_request+0x180/0x25c
[ 1194.796149] scsi_io_completion+0xc8/0x610
[ 1194.807503] scsi_finish_command+0xdc/0x125
[ 1194.818897] scsi_softirq_done+0x81/0xde
[ 1194.830062] blk_done_softirq+0xa4/0xcc
[ 1194.841008] __do_softirq+0xd9/0x29f
[ 1194.851257] irq_exit+0xe6/0xeb
[ 1194.861290] do_IRQ+0x59/0xe3
[ 1194.871060] common_interrupt+0x1c6/0x382
[ 1194.881988] </IRQ>
[ 1194.890646] RIP: 0010:cpuidle_enter_state+0xdd/0x2a5
[ 1194.902532] RSP: 0018:ffffb99d40793e68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff43
[ 1194.917317] RAX: ffff8ffb7fce27c0 RBX: ffff8ffb7fced800 RCX: 000000000000001f
[ 1194.932056] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[ 1194.946428] RBP: ffffb99d40793ea0 R08: 0000000000000004 R09: 0000000000002ed2
[ 1194.960508] R10: 0000000000002664 R11: 0000000000000018 R12: 0000000000000003
[ 1194.974454] R13: 000000000000000b R14: ffffffff925715a0 R15: 0000011610120d5a
[ 1194.988607] ? cpuidle_enter_state+0xcc/0x2a5
[ 1194.999077] cpuidle_enter+0x17/0x19
[ 1195.008395] call_cpuidle+0x23/0x3a
[ 1195.017718] do_idle+0x172/0x1d5
[ 1195.026358] cpu_startup_entry+0x73/0x75
[ 1195.035769] start_secondary+0x1b9/0x20b
[ 1195.044894] secondary_startup_64+0xa5/0xa5
[ 1195.084921] RIP: super_written+0x29/0xe1 RSP: ffff8ffb7fcc3c78
[ 1195.096354] CR2: 00000000000002b8
bio in the above stack is a bitmap write whose completion is invoked after
the tear down sequence sets the mddev structure to NULL in rdev.
During tear down, there is an attempt to flush the bitmap writes, but for
external bitmaps, there is no explicit wait for all the bitmap writes to
complete. For instance, md_bitmap_flush() is called to flush the bitmap
writes, but the last call to md_bitmap_daemon_work() in md_bitmap_flush()
could generate new bitmap writes for which there is no explicit wait to
complete those writes. The call to md_bitmap_update_sb() will return
simply for external bitmaps and the follow-up call to md_update_sb() is
conditional and may not get called for external bitmaps. This results in a
kernel panic when the completion routine, super_written() is called which
tries to reference mddev in the rdev that has been set to
NULL(in unbind_rdev_from_array() by tear down sequence).
The solution is to call md_super_wait() for external bitmaps after the
last call to md_bitmap_daemon_work() in md_bitmap_flush() to ensure there
are no pending bitmap writes before proceeding with the tear down.
Cc: stable@vger.kernel.org
Signed-off-by: Sudhakar Panneerselvam <sudhakar.panneerselvam@oracle.com>
Reviewed-by: Zhao Heming <heming.zhao@suse.com>
Signed-off-by: Song Liu <song@kernel.org>
Instead of returning an existing mddev, just for it to be discarded
later directly return -EEXIST. Rename the function to mddev_alloc now
that it doesn't find an existing mddev.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
Allocate the new mddev first speculatively, which greatly simplifies
the code flow.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
Split out a self contained helper to find a free minor for the md
"unit" number.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
Restore the initrd-based ACPI table override functionality broken by
one of the recent fixes.
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Merge tag 'acpi-5.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Restore the initrd-based ACPI table override functionality broken by
one of the recent fixes"
* tag 'acpi-5.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: x86: Call acpi_boot_table_init() after acpi_table_upgrade()
- do not allow exporting GPIO lines which were marked invalid by the driver
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Merge tag 'gpio-fixes-for-v5.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fix from Bartosz Golaszewski:
"A single fix for an older problem with the sysfs interface: do not
allow exporting GPIO lines which were marked invalid by the driver"
* tag 'gpio-fixes-for-v5.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: sysfs: Obey valid_mask
Pull HID fixes from Jiri Kosina:
"The changes are all device/driver specific fixes:
- EV_KEY and EV_ABS regression fix for Wacom from Ping Cheng
- BIOS-specific quirk to fix some of the AMD_SFH-based systems, from
Hans de Goede
- other small error handling fixes and device ID additions"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: wacom: set EV_KEY and EV_ABS only for non-HID_GENERIC type of devices
AMD_SFH: Add DMI quirk table for BIOS-es which don't set the activestatus bits
AMD_SFH: Add sensor_mask module parameter
AMD_SFH: Removed unused activecontrolstatus member from the amd_mp2_dev struct
HID: wacom: Assign boolean values to a bool variable
HID cp2112: fix support for multiple gpiochips
HID: alps: fix error return code in alps_input_configured()
HID: asus: Add support for 2021 ASUS N-Key keyboard
HID: google: add don USB id
After commit 2decad92f4 ("arm64: mte: Ensure TIF_MTE_ASYNC_FAULT is
set atomically"), LLVM's integrated assembler fails to build entry.S:
<instantiation>:5:7: error: expected assembly-time absolute expression
.org . - (664b-663b) + (662b-661b)
^
<instantiation>:6:7: error: expected assembly-time absolute expression
.org . - (662b-661b) + (664b-663b)
^
The root cause is LLVM's assembler has a one-pass design, meaning it
cannot figure out these instruction lengths when the .org directive is
outside of the subsection that they are in, which was changed by the
.arch_extension directive added in the above commit.
Apply the same fix from commit 966a0acce2 ("arm64/alternatives: move
length validation inside the subsection") to the alternative_endif
macro, shuffling the .org directives so that the length validation
happen will always happen in the same subsections. alternative_insn has
not shown any issue yet but it appears that it could have the same issue
in the future so just preemptively change it.
Fixes: f7b93d4294 ("arm64/alternatives: use subsections for replacement sequences")
Cc: <stable@vger.kernel.org> # 5.8.x
Link: https://github.com/ClangBuiltLinux/linux/issues/1347
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20210414000803.662534-1-nathan@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Pull input fixes from Dmitry Torokhov:
"Just a few driver fixes here"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elants_i2c - drop zero-checking of ABS_MT_TOUCH_MAJOR resolution
Input: elants_i2c - fix division by zero if firmware reports zero phys size
Input: nspire-keypad - enable interrupts only when opened
Input: i8042 - fix Pegatron C15B ID entry
Input: n64joy - fix return value check in n64joy_probe()
Input: s6sy761 - fix coordinate read bit shift
Recently, the sof_pcm_dai_link_fixup() function was
updated to match SSP config with the PCM hw_params
and set the current_config for the DAI widget.
But the sof_restore_pipelines() function still chooses the
default config for the DAI widget upon resuming. Fix this
to use the last used config when setting up the DAI widget
during resume.
Fixes: c943a586f6 ("ASoC: SOF: match SSP config with pcm hw params")
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210415162107.130963-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
