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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- Always initialize DMA state, fixing a potentially nasty issue on the
block side
- btrfs zoned write fix with cached zone reports
- Fix corruption issues in bcache with chained bio's, and further make
it clear that the chained IO handler is simply a marker, it's not
code meant to be executed
- Kill old code dealing with synchronous IO polling in the block layer,
that has been dead for a long time. Only async polling is supported
these days
- Fix a lockdep issue in tag_set management, moving it to RCU
- Fix an issue with ublks bio_vec iteration
- Don't unconditionally enforce blocking issue of ublk control
commands, allow some of them with non-blocking issue as they
do not block
* tag 'block-6.19-20251211' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
blk-mq-dma: always initialize dma state
blk-mq: delete task running check in blk_hctx_poll()
block: fix cached zone reports on devices with native zone append
block: Use RCU in blk_mq_[un]quiesce_tagset() instead of set->tag_list_lock
ublk: don't mutate struct bio_vec in iteration
block: prohibit calls to bio_chain_endio
bcache: fix improper use of bi_end_io
ublk: allow non-blocking ctrl cmds in IO_URING_F_NONBLOCK issue
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mikulas Patocka:
- convert crypto_shash users to direct crypto library use with simpler
and faster code and reduced stack usage (Eric Biggers):
- the dm-verity SHA-256 conversion also teaches it to do two-way
interleaved hashing for added performance
- dm-crypt MD5 conversion (used for Loop-AES compatibility)
- added document for for takeover/reshape raid1 -> raid5 examples (Heinz Mauelshagen)
- fix dm-vdo kerneldoc warnings (Matthew Sakai)
- various random fixes and cleanups
* tag 'for-6.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (29 commits)
dm pcache: fix segment info indexing
dm pcache: fix cache info indexing
dm-pcache: advance slot index before writing slot
dm raid: add documentation for takeover/reshape raid1 -> raid5 table line examples
dm log-writes: Add missing set_freezable() for freezable kthread
dm-raid: fix possible NULL dereference with undefined raid type
dm-snapshot: fix 'scheduling while atomic' on real-time kernels
dm: ignore discard return value
MAINTAINERS: add Benjamin Marzinski as a device mapper maintainer
dm-mpath: Simplify the setup_scsi_dh code
dm vdo: fix kerneldoc warnings
dm-bufio: align write boundary on physical block size
dm-crypt: enable DM_TARGET_ATOMIC_WRITES
dm: test for REQ_ATOMIC in dm_accept_partial_bio()
dm-verity: remove useless mempool
dm-verity: disable recursive forward error correction
dm-ebs: Mark full buffer dirty even on partial write
dm mpath: enable DM_TARGET_ATOMIC_WRITES
dm verity fec: Expose corrected block count via status
dm: Don't warn if IMA_DISABLE_HTABLE is not enabled
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few small fixes for SPI that came in during the merge window,
nothing too exciting here"
* tag 'spi-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: microchip-core: Fix an error handling path in mchp_corespi_probe()
spi: cadence-qspi: Fix runtime PM imbalance in probe
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A few fixes that came in during the merge window, nothing too
exciting - the one core fix improves error propagation from gpiolib
which hopefully shouldn't actually happen but is safer"
* tag 'regulator-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: spacemit: Align input supply name with the DT binding
regulator: fixed: Rely on the core freeing the enable GPIO
regulator: check the return value of gpiod_set_value_cansleep()
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Heiko Carstens:
- Use the MSI parent domain API instead of the legacy API for setup and
teardown of PCI MSI IRQs
- Select POSIX_CPU_TIMERS_TASK_WORK now that VIRT_XFER_TO_GUEST_WORK
has been implemented for s390
- Fix a KVM bug which can lead to guest memory corruption
- Fix KASAN shadow memory mapping for hotplugged memory
- Minor bug fixes and improvements
* tag 's390-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/bug: Add missing alignment
s390/bug: Add missing CONFIG_BUG ifdef again
KVM: s390: Fix gmap_helper_zap_one_page() again
s390/pci: Migrate s390 IRQ logic to IRQ domain API
genirq: Change hwirq parameter to irq_hw_number_t
s390: Select POSIX_CPU_TIMERS_TASK_WORK
s390: Unmap early KASAN shadow on memory offlining
s390/vmem: Support 2G page splitting for KASAN shadow freeing
s390/boot: Use entire page for PTEs
s390/vmur: Use scnprintf() instead of sprintf()
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Segment info indexing also used sizeof(struct) instead of the
4K metadata stride, so info_index could point between slots and
subsequent writes would advance incorrectly. Derive info_index
from the pointer returned by the segment meta search using
PCACHE_SEG_INFO_SIZE and advance to the next slot for future
updates.
Signed-off-by: Li Chen <chenl311@chinatelecom.cn>
Signed-off-by: Dongsheng Yang <dongsheng.yang@linux.dev>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Zheng Gu <cengku@gmail.com>
Cc: stable@vger.kernel.org # 6.18
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The on-media cache_info index used sizeof(struct) instead of the
4K metadata stride, so gc_percent updates from dmsetup message
were written between slots and lost after reboot. Use
PCACHE_CACHE_INFO_SIZE in get_cache_info_addr() and align
info_index with the slot returned by pcache_meta_find_latest().
Signed-off-by: Li Chen <chenl311@chinatelecom.cn>
Signed-off-by: Dongsheng Yang <dongsheng.yang@linux.dev>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Zheng Gu <cengku@gmail.com>
Cc: stable@vger.kernel.org # 6.18
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In dm-pcache, in order to ensure crash-consistency, a dual-copy scheme
is used to alternately update metadata, and there is a slot index that
records the current slot. However, in the write path the current
implementation writes directly to the current slot indexed by slot
index, and then advances the slot — which ends up overwriting the
existing slot, violating the crash-consistency guarantee.
This patch fixes that behavior, preventing metadata from being
overwritten incorrectly.
In addition, this patch add a missing pmem_wmb() after memcpy_flushcache().
Signed-off-by: Dongsheng Yang <dongsheng.yang@linux.dev>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Zheng Gu <cengku@gmail.com>
Cc: stable@vger.kernel.org # 6.18
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The log_writes_kthread() calls try_to_freeze() but lacks set_freezable(),
rendering the freeze attempt ineffective since kernel threads are
non-freezable by default. This prevents proper thread suspension during
system suspend/hibernate.
Add set_freezable() to explicitly mark the thread as freezable.
Fixes: 0e9cebe72459 ("dm: add log writes target")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Reviewed-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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rs->raid_type is assigned from get_raid_type_by_ll(), which may return
NULL. This NULL value could be dereferenced later in the condition
'if (!(rs_is_raid10(rs) && rt_is_raid0(rs->raid_type)))'.
Add a fail-fast check to return early with an error if raid_type is NULL,
similar to other uses of this function.
Found by Linux Verification Center (linuxtesting.org) with Svace.
Fixes: 33e53f06850f ("dm raid: introduce extended superblock and new raid types to support takeover/reshaping")
Signed-off-by: Alexey Simakov <bigalex934@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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There is reported 'scheduling while atomic' bug when using dm-snapshot on
real-time kernels. The reason for the bug is that the hlist_bl code does
preempt_disable() when taking the lock and the kernel attempts to take
other spinlocks while holding the hlist_bl lock.
Fix this by converting a hlist_bl spinlock into a regular spinlock.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Jiping Ma <jiping.ma2@windriver.com>
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__blkdev_issue_discard() always returns 0, making all error checking
at call sites dead code.
For dm-thin change issue_discard() return type to void, in
passdown_double_checking_shared_status() remove the r assignment from
return value of the issue_discard(), for end_discard() hardcode value of
r to 0 that matches only value returned from __blkdev_issue_discard().
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chaitanya Kulkarni <ckulkarnilinux@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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There's no point to the MPATHF_RETAIN_ATTACHED_HW_HANDLER flag any more.
The way setup_scsi_dh() worked, if that flag wasn't set, it would
attempt to attach any passed in hardware handler. This would always fail
if a different hardware handler was attached, which caused
setup_scsi_dh() to rerun as if the flag was set. So the code would
already retain any attached handler, because attaching a different one
would always fail.
Also, the code had a bug. If attached_handler_name was NULL but there
was a scsi device handler attached (because either
scsi_dh_attached_handler_name failed() to allocate a name, a handler got
attached after it was called) the code would loop endlessly.
Instead, ignore MPATHF_RETAIN_ATTACHED_HW_HANDLER, and always free the
passed in handler if *attached_handler_name is set. This simplifies the
code, and avoids the endless loop bug, while keeping the functionality
the same.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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Fix kerneldoc warnings across the dm-vdo target. Also
remove some unhelpful or inaccurate doc comments, and fix
some format inconsistencies that did not produce warnings.
No functional changes.
Suggested-by: Sunday Adelodun <adelodunolaoluwa@yahoo.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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There may be devices with physical block size larger than 4k.
If dm-bufio sends I/O that is not aligned on physical block size,
performance is degraded.
The 4k minimum alignment limit is there because some SSDs report logical
and physical block size 512 despite having 4k internally - so dm-bufio
shouldn't send I/Os not aligned on 4k boundary, because they perform
badly (the SSD does read-modify-write for them).
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: stable@vger.kernel.org
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Allow handling of bios with REQ_ATOMIC flag set.
Don't split these bios and fail them if they overrun the hard limit
"BIO_MAX_VECS << PAGE_SHIFT".
In order to simplify the code, this commit joins the logic that avoids
splitting emulated zone append bios with the logic that avoids
splitting atomic write bios.
Signed-off-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tested-by: John Garry <john.g.garry@oracle.com>
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Any bio with REQ_ATOMIC flag set should never be split or partially
completed, so BUG_ON() on this scenario in dm_accept_partial_bio() (whose
intent is to allow partial completions).
Also, we must reject atomic bio to targets that don't support them,
otherwise this BUG could be triggered by stray bios that have the
REQ_ATOMIC set.
Signed-off-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tested-by: John Garry <john.g.garry@oracle.com>
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v->fec->extra_pool has zero reserved entries, so we can remove it and use
the kernel cache directly.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Eric Biggers <ebiggers@kernel.org>
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There are two problems with the recursive correction:
1. It may cause denial-of-service. In fec_read_bufs, there is a loop that
has 253 iterations. For each iteration, we may call verity_hash_for_block
recursively. There is a limit of 4 nested recursions - that means that
there may be at most 253^4 (4 billion) iterations. Red Hat QE team
actually created an image that pushes dm-verity to this limit - and this
image just makes the udev-worker process get stuck in the 'D' state.
2. It doesn't work. In fec_read_bufs we store data into the variable
"fio->bufs", but fio bufs is shared between recursive invocations, if
"verity_hash_for_block" invoked correction recursively, it would
overwrite partially filled fio->bufs.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Guangwu Zhang <guazhang@redhat.com>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Eric Biggers <ebiggers@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- DT bindings for Melfas MIP4 touchscreen controller and TWL4030 keypad
have been converted to the DT schema
- simple touch controller bindings have been consolidated to
trivial-touch.yaml DT schema
- memory allocation failure noise was removed from qnap-mcu-input and
zforce_ts dirvers
- ti_am335x_tsc driver was hardened to handle invalid (too large)
number of coordinates specified in device tree
- a cleanup in Cypress cyttsp5 driver to use %pe to print error code
* tag 'input-for-v6.19-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ti_am335x_tsc - clamp coordinate_readouts to DT maximum (6)
dt-bindings: touchscreen: consolidate simple touch controller to trivial-touch.yaml
dt-bindings: touchscreen: trivial-touch: add reset-gpios and wakeup-source
dt-bindings: input: ti,twl4030-keypad: convert to DT schema
Input: zforce_ts - omit error message when memory allocation fails
Input: qnap-mcu-input - omit error message when memory allocation fails
dt-bindings: input: Convert MELFAS MIP4 Touchscreen to DT schema
dt-bindings: touchscreen: move ar1021.txt to trivial-touch.yaml
dt-bindings: touchscreen: rename maxim,max11801.yaml to trivial-touch.yaml
Input: cyttsp5 - use %pe format specifier
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- general cleanups in bcm2835, designware, pcf8584, and stm32
- amd-mp2: fix device refcount
- designware: avoid interrupt storms caused by bad firmware
- spacemit: fix device detection failures
- new devices: Intel Diamond Rapids, Rockchip RK3506, Qualcomm
Kaanapali and MSM8953
- minor fixes to i801, core documentation, elektor Kconfig dependencies
- at24 updates: add new compatible for Belling BL24S64
* tag 'i2c-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (21 commits)
i2c: qcom-cci: Add msm8953 compatible
i2c: spacemit: fix detect issue
i2c: amd-mp2: fix reference leak in MP2 PCI device
i2c: i2c.h: fix a bad kernel-doc line
i2c: i2c-elektor: Allow building on SMP kernels
dt-bindings: i2c: qcom-cci: Document Kaanapali compatible
dt-bindings: i2c: qcom-cci: Document msm8953 compatible
dt-bindings: eeprom: at24: Add compatible for Belling BL24S64
i2c: i801: Fix the Intel Diamond Rapids features
i2c: pcf8584: Change pcf_doAdress() to pcf_send_address()
i2c: pcf8584: Make pcf_doAddress() function void
i2c: pcf8584: Move 'ret' variable inside for loop, goto out if ret < 0.
i2c: designware: Disable SMBus interrupts to prevent storms from mis-configured firmware
dt-bindings: i2c: i2c-rk3x: Add compatible string for RK3506
i2c: i801: Add support for Intel Diamond Rapids
i2c: stm32: Omit two variable reassignments in stm32_i2c_dma_request()
i2c: designware: Omit a variable reassignment in dw_i2c_plat_probe()
i2c: pcf8584: Fix do not use assignment inside if conditional
i2c: pcf8584: Remove debug macros from i2c-algo-pcf.c
i2c: busses: bcm2835: convert from round_rate() to determine_rate()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen:
- acer-wmi: Add PH16-72, PHN16-72, and PT14-51 fan control support
- acpi: platform_profile: Add max-power profile option (power draw
limited by the cooling hardware, may exceed battery power draw limit
when on AC power)
- amd/hsmp: Allow more than one data-fabric per socket
- asus-armoury: Add WMI attributes driver to expose miscellaneous WMI
functions through fw_attributes (deprecates the custom BIOS features
interface through asus-wmi)
- asus-wmi: Use brightness_set_blocking() for kbd led
- ayaneo-ec: Add Ayaneo Embedded Controller driver
- fs/nls:
- Fix utf16 to utf8 string conversion when output size restricted
- Improve error code consistency for utf8 to utf32 conversions
- ideapad-laptop: Fast (Rapid Charge) charge type support
- intel/hid: Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks
- intel/pmc:
- Arrow Lake telemetry GUID improvements
- Add support for Wildcat Lake PMC information
- intel_pmc_ipc: Fix ACPI buffer memleak
- intel/punit_ipc: Fix memory corruption
- intel/vsec: Wildcat Lake PMT telemetry support
- lenovo-wmi-gamezone: Map "Extreme" performance mode to max-power
- lg-laptop: Add support for the HDAP opregion field
- serial-multi-instantiate: Add IRQ_RESOURCE_OPT for IRQ missing
projects
- thinkpad-t14s-ec: Improve suspend/resume support (lid LEDs, keyboard
backlight)
- uniwill: Add Uniwill laptop driver
- wmi: Move under drivers/platform/wmi as non-x86 WMI support is around
the corner and other WMI features will require adding more C files as
well
- tools/power/x86/intel-speed-select: v1.24
- Check feature status to check if the feature enablement was
successful
- Reset SST-TF bucket structure to display valid bucket info
- Miscellaneous cleanups / refactoring / improvements
* tag 'platform-drivers-x86-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (73 commits)
tools/power/x86/intel-speed-select: v1.24 release
tools/power/x86/intel-speed-select: Reset isst_turbo_freq_info for invalid buckets
tools/power/x86/intel-speed-select: Check feature status
platform/x86: asus-wmi: use brightness_set_blocking() for kbd led
fs/nls: Fix inconsistency between utf8_to_utf32() and utf32_to_utf8()
platform/x86: asus-armoury: add support for GA503QR
platform/x86: intel_pmc_ipc: fix ACPI buffer memory leak
platform/x86: hp-wmi: Order DMI board name arrays
platform/x86/intel/hid: Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks
platform: surface: replace use of system_wq with system_percpu_wq
platform: x86: replace use of system_wq with system_percpu_wq
platform/surface: acpi-notify: add WQ_PERCPU to alloc_workqueue users
platform/x86: wmi-gamezone: Add Legion Go 2 Quirks
platform/x86: lenovo-wmi-gamezone Use max-power rather than balanced-performance
acpi: platform_profile - Add max-power profile option
platform/x86/amd/pmf: Use devm_mutex_init() for mutex initialization
platform/x86/amd/pmf: Add BIOS_INPUTS_MAX macro to replace hardcoded array size
platform/x86: serial-multi-instantiate: Add IRQ_RESOURCE_OPT for IRQ missing projects
platform/x86/amd/pmf: Refactor repetitive BIOS output handling
platform/x86/uniwill: Add TUXEDO devices
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"Fix a runtime PM unit test added during the 6.18 development cycle and
change the pm_runtime_barrier() return type to void (Brian Norris)"
* tag 'pm-6.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
coccinelle: Drop pm_runtime_barrier() error code checks
PM: runtime: Make pm_runtime_barrier() return void
PM: runtime: Stop checking pm_runtime_barrier() return code
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__bio_for_each_segment() uses the returned struct bio_vec's bv_len field
to advance the struct bvec_iter at the end of each loop iteration. So
it's incorrect to modify it during the loop. Don't assign to bv_len (or
bv_offset, for that matter) in ublk_copy_user_pages().
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Fixes: e87d66ab27ac ("ublk: use rq_for_each_segment() for user copy")
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Don't call bio->bi_end_io() directly. Use the bio_endio() helper
function instead, which handles completion more safely and uniformly.
Suggested-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Shida Zhang <zhangshida@kylinos.cn>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Prepare input updates for 6.19 merge window.
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mchp_corespi_init() calls mchp_corespi_enable_ints(), so
mchp_corespi_disable_ints() should be called if an error occurs after
calling mchp_corespi_init(), as already done in the remove function.
Fixes: 059f545832be ("spi: add support for microchip "soft" spi controller")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/a7aaff1f28a83303a288de2914724a874fe1a11e.1764969247.git.christophe.jaillet@wanadoo.fr
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The Device Tree binding schema for the SpacemiT P1 PMIC defines the main
input supply property as "vin-supply", but the driver defines the supply
name for BUCK and ALDO regulators as "vcc".
This causes the regulator core to lookup for a non-existent "vcc-supply".
Rename the supply from "vcc" to "vin", to match the DT binding and ensure
that the regulators input supplies are correctly resolved.
After this change, the regulators supply hierarchy is correctly reported:
$ cat /sys/kernel/debug/regulator/regulator_summary
regulator use open bypass opmode voltage current min max
---------------------------------------------------------------------------------------
regulator-dummy 1 0 0 unknown 0mV 0mA 0mV 0mV
dc_in_12v 2 1 0 unknown 12000mV 0mA 12000mV 12000mV
vcc_4v 7 10 0 unknown 4000mV 0mA 4000mV 4000mV
buck1 1 0 0 unknown 1050mV 0mA 500mV 3425mV
buck2 1 0 0 unknown 900mV 0mA 500mV 3425mV
buck3 1 0 0 unknown 1800mV 0mA 500mV 1800mV
buck4 1 0 0 unknown 3300mV 0mA 500mV 3300mV
buck5 3 7 0 unknown 2100mV 0mA 500mV 3425mV
dldo1 0 0 0 unknown 1200mV 0mA 500mV 3125mV
dldo2 0 0 0 unknown 500mV 0mA 500mV 3125mV
dldo3 0 0 0 unknown 500mV 0mA 500mV 3125mV
dldo4 1 0 0 unknown 1800mV 0mA 500mV 3125mV
dldo5 0 0 0 unknown 500mV 0mA 500mV 3125mV
dldo6 1 0 0 unknown 1800mV 0mA 500mV 3125mV
dldo7 0 0 0 unknown 500mV 0mA 500mV 3125mV
buck6 1 0 0 unknown 1100mV 0mA 500mV 3425mV
aldo1 0 0 0 unknown 1800mV 0mA 500mV 3125mV
aldo2 0 0 0 unknown 500mV 0mA 500mV 3125mV
aldo3 0 0 0 unknown 500mV 0mA 500mV 3125mV
aldo4 0 0 0 unknown 500mV 0mA 500mV 3125mV
Fixes: 8b84d712ad84 ("regulator: spacemit: support SpacemiT P1 regulators")
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patch.msgid.link/20251206133852.1739475-1-javierm@redhat.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block updates from Jens Axboe:
"Followup set of fixes and updates for block for the 6.19 merge window.
NVMe had some late minute debates which lead to dropping some patches
from that tree, which is why the initial PR didn't have NVMe included.
It's here now. This pull request contains:
- NVMe pull request via Keith:
- Subsystem usage cleanups (Max)
- Endpoint device fixes (Shin'ichiro)
- Debug statements (Gerd)
- FC fabrics cleanups and fixes (Daniel)
- Consistent alloc API usages (Israel)
- Code comment updates (Chu)
- Authentication retry fix (Justin)
- Fix a memory leak in the discard ioctl code, if the task is being
interrupted by a signal at just the wrong time
- Zoned write plugging fixes
- Add ioctls for for persistent reservations
- Enable per-cpu bio caching by default
- Various little fixes and tweaks"
* tag 'block-6.19-20251208' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (27 commits)
nvme-fabrics: add ENOKEY to no retry criteria for authentication failures
nvme-auth: use kvfree() for memory allocated with kvcalloc()
nvmet-tcp: use kvcalloc for commands array
nvmet-rdma: use kvcalloc for commands and responses arrays
nvme: fix typo error in nvme target
nvmet-fc: use pr_* print macros instead of dev_*
nvmet-fcloop: remove unused lsdir member.
nvmet-fcloop: check all request and response have been processed
nvme-fc: check all request and response have been processed
block: fix memory leak in __blkdev_issue_zero_pages
block: fix comment for op_is_zone_mgmt() to include RESET_ALL
block: Clear BLK_ZONE_WPLUG_PLUGGED when aborting plugged BIOs
blk-mq: Abort suspend when wakeup events are pending
blk-mq: add blk_rq_nr_bvec() helper
block: add IOC_PR_READ_RESERVATION ioctl
block: add IOC_PR_READ_KEYS ioctl
nvme: reject invalid pr_read_keys() num_keys values
scsi: sd: reject invalid pr_read_keys() num_keys values
block: enable per-cpu bio cache by default
block: use bio_alloc_bioset for passthru IO by default
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBI and UBIFS updates from Richard Weinberger:
"UBIFS:
- Misc code cleanups such as removal of unnecessary variables
UBI:
- No longer program unused bit in UBI headers"
* tag 'ubifs-for-linus-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubifs: vmalloc(array_size()) -> vmalloc_array()
ubi: fastmap: fix ubi->fm memory leak
mtd: ubi: skip programming unused bits in ubi headers
ubifs: Remove unnecessary variable assignments
ubifs: Simplify the code using ubifs_crc_node
ubifs: Remove unnecessary parameters '*c'
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes Guenter Roeck:
- Documentation: Fix link to g762 devicetree binding
- emc2305: Fix devicetree refcount leak and double put
- dell-smm: Fix channel-index off-by-one error
- w83791d: Convert macros to functions to avoid TOCTOU
* tag 'hwmon-for-v6.19-take-2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
docs: hwmon: fix link to g762 devicetree binding
hwmon: (emc2305) fix device node refcount leak in error path
hwmon: (emc2305) fix double put in emc2305_probe_childs_from_dt
hwmon: (dell-smm) Fix off-by-one error in dell_smm_is_visible()
hwmon: (w83791d) Convert macros to functions to avoid TOCTOU
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"The technical details below. For me the CIX Semi and Axis
Communications ARTPEC-9 SoCs were the most interesting new drivers in
this merge window.
Core changes:
- Handle per-direction skew control in the generic pin config
- Drop the pointless subsystem boilerplate banner message during
boot. Less noise in the console. It's available as debug message if
someone really want it
New drivers:
- Samsung Exynos 8890 SoC support
- Samsung Exynos derived Axis Communications ARTPEC-9 SoC support.
These guys literally live next door to me, ARTPEC spells out "Axis
Real-Time Picture Encoding Chip" and is tailored for camera image
streams and is something they have evolved for a quarter of a
century
- Mediatek MT6878 SoC support
- Qualcomm Glymur PMIC support (mostly just compatible strings)
- Qualcomm Kaanapali SoC TLMM support
- Microchip pic64gx "gpio2" SoC support
- Microchip Polarfire "iomux0" SoC support
- CIX Semiconductors SKY1 SoC support
- Rockchip RK3506 SoC support
- Airhoa AN7583 chip support
Improvements:
- Improvements for ST Microelectronics STM32 handling of skew
settings so input and output can have different skew settings
- A whole bunch of device tree binding cleanups: Marvell Armada and
Berlin, Actions Semiconductor S700 and S900, Broadcom Northstar 2
(NS2), Bitmain BM1880 and Spreadtrum SC9860 are moved over to
schema"
* tag 'pinctrl-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (107 commits)
pinctrl: add CONFIG_OF dependencies for microchip drivers
pinctrl: starfive: use dynamic GPIO base allocation
pinctrl: single: Fix incorrect type for error return variable
MAINTAINERS: Change Linus Walleij mail address
pinctrl: cix: Fix obscure dependency
dt-bindings: pinctrl: cix,sky1-pinctrl: Drop duplicate newline
dt-bindings: pinctrl: aspeed,ast2600-pinctrl: Add PCIe RC PERST# group
pinctrl: airoha: Fix AIROHA_PINCTRL_CONFS_DRIVE_E2 in an7583_pinctrl_match_data
pinctrl: airoha: fix pinctrl function mismatch issue
pinctrl: cherryview: Convert to use intel_gpio_add_pin_ranges()
pinctrl: intel: Export intel_gpio_add_pin_ranges()
pinctrl: renesas: rzg2l: Refactor OEN register PWPR handling
pinctrl: airoha: convert comma to semicolon
pinctrl: elkhartlake: Switch to INTEL_GPP() macro
pinctrl: cherryview: Switch to INTEL_GPP() macro
pinctrl: emmitsburg: Switch to INTEL_GPP() macro
pinctrl: denverton: Switch to INTEL_GPP() macro
pinctrl: cedarfork: Switch to INTEL_GPP() macro
pinctrl: airoha: add support for Airoha AN7583 PINs
dt-bindings: pinctrl: airoha: Document AN7583 Pin Controller
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
- Renesas driver conversion to RUNTIME_PM_OPS() etc
- Dropping module alias on bunch of drivers
- GPI Block event interrupt support in Qualcomm driver and updates to
I2C driver as well
* tag 'dmaengine-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (23 commits)
dt-bindings: dma: xilinx: Simplify dma-coherent property
dmaengine: fsl-edma: configure tcd attr with separate src and dst settings
dmaengine: st_fdma: drop unused module alias
dmaengine: bcm2835: enable compile testing
dmaengine: tegra210-adma: drop unused module alias
dmaengine: sprd: drop unused module alias
dmaengine: mmp_tdma: drop unnecessary OF node check in remove
dmaengine: mmp_tdma: drop unused module alias
dmaengine: k3dma: drop unused module alias
dmaengine: fsl-qdma: drop unused module alias
dmaengine: fsl-edma: drop unused module alias
dmaengine: dw: drop unused module alias
dmaengine: bcm2835: drop unused module alias
dmaengine: at_hdmac: add COMPILE_TEST support
dmaengine: at_hdmac: fix formats under 64-bit
i2c: i2c-qcom-geni: Add Block event interrupt support
dmaengine: qcom: gpi: Add GPI Block event interrupt support
dmaengine: idxd: drain ATS translations when disabling WQ
dmaengine: sh: Kconfig: Drop ARCH_R7S72100/ARCH_RZG2L dependency
dmaengine: rcar-dmac: Convert to NOIRQ_SYSTEM_SLEEP/RUNTIME_PM_OPS()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"Core:
- Drop Kishon as maintainer, thanks to him for helping, move to
credits and add Neil to help with reviews.
- Add new phy_notify_stat to notify phy from controllers during the
runtime transitions and usage in samsung phy
New hardware support:
- Renesas RZ/G3E USB3.0 driver
- NXP Support TJA1048/TJA1051 CAN phy
- Rockchip support for rk3506 dsi dphy
- Qualcomm Glymur QMP PCIe PHY support
Updates:
- PM support for rcar-gen3-usb2 driver
- Samsung HDMI/eDP Transmitter Combo PHY updates
- Freescale imx8mq support for alternate reference clock"
* tag 'phy-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (40 commits)
MAINTAINERS: phy: Add Neil Armstrong as reviewers for phy subsystem
MAINTAINERS: phy: Move Kishon Vijay Abraham I to credits
phy: fsl-imx8mq-usb: support alternate reference clock
dt-bindings: phy: imx8mq-usb: add alternate reference clock
phy: rockchip: samsung-hdptx: Prevent Inter-Pair Skew from exceeding the limits
phy: rockchip: samsung-hdptx: Reduce ROPLL loop bandwidth
phy: rockchip: samsung-hdptx: Fix reported clock rate in high bpc mode
phy: ti: gmii-sel: Add a sanity check on the phy_id
phy: qcom: qmp-pcie: Add support for Glymur PCIe Gen5x4 PHY
phy: qcom-qmp: pcs: Add v8.50 register offsets
dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Document the Glymur QMP PCIe PHY
dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Restrict resets per each device
phy: freescale: Initialize priv->lock
phy: renesas: Remove unneeded semicolons
phy: qcom: m31-eusb2: Update init sequence to set PHY_ENABLE
phy: qcom: qmp-combo: get the USB3 & DisplayPort lanes mapping from DT
dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: Document lanes mapping when not using in USB-C complex
phy: rockchip: naneng-combphy: Fix PCIe L1ss support RK3562
phy: rockchip: naneng-combphy: Fix PCIe L1ss support RK3528
phy: renesas: rcar-gen3-usb2: Add suspend/resume support
...
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- Enhancements to Linux as the root partition for Microsoft Hypervisor:
- Support a new mode called L1VH, which allows Linux to drive the
hypervisor running the Azure Host directly
- Support for MSHV crash dump collection
- Allow Linux's memory management subsystem to better manage guest
memory regions
- Fix issues that prevented a clean shutdown of the whole system on
bare metal and nested configurations
- ARM64 support for the MSHV driver
- Various other bug fixes and cleanups
- Add support for Confidential VMBus for Linux guest on Hyper-V
- Secure AVIC support for Linux guests on Hyper-V
- Add the mshv_vtl driver to allow Linux to run as the secure kernel in
a higher virtual trust level for Hyper-V
* tag 'hyperv-next-signed-20251207' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (58 commits)
mshv: Cleanly shutdown root partition with MSHV
mshv: Use reboot notifier to configure sleep state
mshv: Add definitions for MSHV sleep state configuration
mshv: Add support for movable memory regions
mshv: Add refcount and locking to mem regions
mshv: Fix huge page handling in memory region traversal
mshv: Move region management to mshv_regions.c
mshv: Centralize guest memory region destruction
mshv: Refactor and rename memory region handling functions
mshv: adjust interrupt control structure for ARM64
Drivers: hv: use kmalloc_array() instead of kmalloc()
mshv: Add ioctl for self targeted passthrough hvcalls
Drivers: hv: Introduce mshv_vtl driver
Drivers: hv: Export some symbols for mshv_vtl
static_call: allow using STATIC_CALL_TRAMP_STR() from assembly
mshv: Extend create partition ioctl to support cpu features
mshv: Allow mappings that overlap in uaddr
mshv: Fix create memory region overlap check
mshv: add WQ_PERCPU to alloc_workqueue users
Drivers: hv: Use kmalloc_array() instead of kmalloc()
...
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Handling most of the ublksrv_ctrl_cmd opcodes require locking a mutex,
so ublk_ctrl_uring_cmd() bails out with EAGAIN when called with the
IO_URING_F_NONBLOCK issue flag. However, several opcodes can be handled
without blocking:
- UBLK_CMD_GET_QUEUE_AFFINITY
- UBLK_CMD_GET_DEV_INFO
- UBLK_CMD_GET_DEV_INFO2
- UBLK_U_CMD_GET_FEATURES
Handle these opcodes synchronously instead of returning EAGAIN so
io_uring doesn't need to issue the command via the worker thread pool.
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add a config for the v1.2.5 CCI found on msm8953 which has different
values in .params compared to others already supported in the driver.
Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Luca Weiss <luca@lucaweiss.eu>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
i2c-host for v6.19
- general cleanups in bcm2835, designware, pcf8584, and stm32
- amd-mp2: fix device refcount
- designware: avoid interrupt storms caused by bad firmware
- i801: fix supported features
- spacemit: fix device detection failures
New device support:
- Intel Diamond Rapids
- Rockchip RK3506
- Qualcomm Kaanapali, MSM8953
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git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
"HDR support has finally been added. mipi-i3c-hci has been reworked and
Intel Nova Lake-S support has been added.
Subsystem:
- Add HDR transfer support
Drivers:
- dw: fix bus hang on Agilex5
- mipi-i3c-hci: Intel Nova Lake-S support, IOMMU support
- svc: HDR support"
* tag 'i3c/for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (28 commits)
regmap: i3c: switch to use i3c_xfer from i3c_priv_xfer
net: mctp i3c: switch to use i3c_xfer from i3c_priv_xfer
hwmon: (lm75): switch to use i3c_xfer from i3c_priv_xfer
i3c: document i3c_xfers
i3c: fix I3C_SDR bit number
i3c: master: svc: Add basic HDR mode support
i3c: master: svc: Replace bool rnw with union for HDR support
i3c: Switch to use new i3c_xfer from i3c_priv_xfer
i3c: Add HDR API support
i3c: master: add WQ_PERCPU to alloc_workqueue users
i3c: master: Remove i3c_device_free_ibi from i3c_device_remove
i3c: mipi-i3c-hci-pci: Set d3cold_delay to 0 for Intel controllers
i3c: mipi-i3c-hci-pci: Add LTR support for Intel controllers
i3c: mipi-i3c-hci-pci: Add exit callback
i3c: mipi-i3c-hci-pci: Change callback parameter
i3c: mipi-i3c-hci-pci: Allocate a structure for mipi_i3c_hci_pci device information
i3c: mipi-i3c-hci-pci: Factor out intel_reset()
i3c: mipi-i3c-hci-pci: Factor out private registers ioremapping
i3c: mipi-i3c-hci-pci: Constify driver data
i3c: mipi-i3c-hci-pci: Use readl_poll_timeout()
...
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This commit addresses two issues causing i2c detect to fail.
The identified issues are:
1. Incorrect error handling for BED (Bus Error No ACK/NAK):
Before this commit, Both ALD (Arbitration Loss Detected) and
BED returned -EAGAIN.
2. Missing interrupt status clear after initialization in xfer():
On the K1 SoC, simply fixing the first issue changed the error
from -EAGAIN to -ETIMEOUT. Through tracing, it was determined that
this is likely due to MSD (Master Stop Detected) latency issues.
That means the MSD bit in the ISR may still be set on the next transfer.
As a result, the controller won't work — we can see from the scope that
it doesn't issue any signal.
(This only occurs during rapid consecutive I2C transfers.
That explains why the issue only shows up with i2cdetect.)
With these two fixes, i2c device detection now functions correctly on the K1 SoC.
Fixes: 5ea558473fa31 ("i2c: spacemit: add support for SpacemiT K1 SoC")
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Tested-by: Michael Opdenacker <michael.opdenacker@rootcommit.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20251113-fix-k1-detect-failure-v2-1-b02a9a74f65a@linux.spacemit.com
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In i2c_amd_probe(), amd_mp2_find_device() utilizes
driver_find_next_device() which internally calls driver_find_device()
to locate the matching device. driver_find_device() increments the
reference count of the found device by calling get_device(), but
amd_mp2_find_device() fails to call put_device() to decrement the
reference count before returning. This results in a reference count
leak of the PCI device each time i2c_amd_probe() is executed, which
may prevent the device from being properly released and cause a memory
leak.
Found by code review.
Cc: stable@vger.kernel.org
Fixes: 529766e0a011 ("i2c: Add drivers for the AMD PCIe MP2 I2C controller")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20251022095402.8846-1-make24@iscas.ac.cn
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This is entirely SoC clk drivers.
The majority diff wise is for the new Rockchip and Qualcomm clk
drivers which is mostly lines and lines of data structures to describe
the clk hardware in these SoCs. Beyond those two, Renesas continues to
incrementally add clks to their SoC drivers, causing them to show up
higher in the diffstat this time because they added quite a few clks
all over the place.
Overall it is a semi-quiet release that has some new clk drivers and
the usual fixes for clock data that was wrong or missing and
non-critical cleanups that plug error paths or fix typos.
New Drivers:
- Qualcomm IPQ5424 Network Subsystem Clock Controller
- Qualcomm SM8750 Video Clock Controller
- Rockchip RV1126B and RK3506 clock drivers
- i.MX8ULP SIM LPAV clock driver
- Samsung ACPM (firmware interface) clock driver
- Altera Agilex5 clock driver"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (117 commits)
clk: keystone: fix compile testing
clk: keystone: syscon-clk: fix regmap leak on probe failure
clk: qcom: Mark camcc_sm7150_hws static
clk: samsung: exynos-clkout: Assign .num before accessing .hws
clk: rockchip: Add clock and reset driver for RK3506
dt-bindings: clock: rockchip: Add RK3506 clock and reset unit
clk: actions: Fix discarding const qualifier by 'container_of' macro
clk: spacemit: Set clk_hw_onecell_data::num before using flex array
clk: visconti: Add VIIF clocks
dt-bindings: clock: tmpv770x: Add VIIF clocks
dt-bindings: clock: tmpv770x: Remove definition of number of clocks
clk: visconti: Do not define number of clocks in bindings
clk: rockchip: Add clock controller for the RV1126B
dt-bindings: clock, reset: Add support for rv1126b
clk: rockchip: Implement rockchip_clk_register_armclk_multi_pll()
clk: qcom: x1e80100-dispcc: Add USB4 router link resets
dt-bindings: clock: qcom: x1e80100-dispcc: Add USB4 router link resets
clk: qcom: videocc-sm8750: Add video clock controller driver for SM8750
dt-bindings: clock: qcom: Add SM8750 video clock controller
clk: qcom: branch: Extend invert logic for branch2 mem clocks
...
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The for_each_child_of_node() macro automatically manages device node
reference counts during normal iteration. However, when breaking out
of the loop early with return, the current iteration's node is not
automatically released, leading to a reference count leak.
Fix this by adding of_node_put(child) before returning from the loop
when emc2305_set_single_tz() fails.
This issue could lead to memory leaks over multiple probe cycles.
Signed-off-by: Pei Xiao <xiaopei01@kylinos.cn>
Link: https://lore.kernel.org/r/tencent_5CDC08544C901D5ECA270573D5AEE3117108@qq.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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./drivers/hwmon/emc2305.c:597:4-15: ERROR: probable double put
Device node iterators put the previous value of the index variable, so an
explicit put causes a double put.
Signed-off-by: Pei Xiao <xiaopei01@kylinos.cn>
Link: https://lore.kernel.org/r/tencent_CD373F952BE48697C949E39CB5EB77841D06@qq.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The documentation states that on machines supporting only global
fan mode control, the pwmX_enable attributes should only be created
for the first fan channel (pwm1_enable, aka channel 0).
Fix the off-by-one error caused by the fact that fan channels have
a zero-based index.
Cc: stable@vger.kernel.org
Fixes: 1c1658058c99 ("hwmon: (dell-smm) Add support for automatic fan mode")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20251203202109.331528-1-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The macro FAN_FROM_REG evaluates its arguments multiple times. When used
in lockless contexts involving shared driver data, this leads to
Time-of-Check to Time-of-Use (TOCTOU) race conditions, potentially
causing divide-by-zero errors.
Convert the macro to a static function. This guarantees that arguments
are evaluated only once (pass-by-value), preventing the race
conditions.
Additionally, in store_fan_div, move the calculation of the minimum
limit inside the update lock. This ensures that the read-modify-write
sequence operates on consistent data.
Adhere to the principle of minimal changes by only converting macros
that evaluate arguments multiple times and are used in lockless
contexts.
Link: https://lore.kernel.org/all/CALbr=LYJ_ehtp53HXEVkSpYoub+XYSTU8Rg=o1xxMJ8=5z8B-g@mail.gmail.com/
Fixes: 9873964d6eb2 ("[PATCH] HWMON: w83791d: New hardware monitoring driver for the Winbond W83791D")
Cc: stable@vger.kernel.org
Signed-off-by: Gui-Dong Han <hanguidong02@gmail.com>
Link: https://lore.kernel.org/r/20251202180105.12842-1-hanguidong02@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Teach the memory hotplug path to tear down KASAN shadow that
was mapped during early boot when a memory block is offlined.
Track for each sclp_mem whether its range was covered by the early
KASAN shadow via an early_shadow_mapped flag. When such a block is
deconfigured and removed via sclp_config_mem_store(), compute the
corresponding shadow range and call vmemmap_free() to unmap the
boot mapped shadow, then clear the flag.
Using vmemmap_free() for the early shadow is safe despite the use
of large mappings in the boot-time KASAN setup. The initial shadow
is mapped with 1M and 2G pages, where possible. The minimum hotplug
memory block size is 128M and always aligned (the identity mapping
is at least 2G aligned), which corresponds to a 16M chunk of at
least 1M aligned shadow. PMD-mapped 1M shadow pages therefore
never need splitting, and PUD-mapped 2G shadow pages can now be
split following the preceding changes.
Relax the modify_pagetable() sanity check in vmem so that, with
KASAN enabled, it may also operate on the KASAN shadow region in
addition to the 1:1 mapping and vmemmap area. This allows the KASAN
shadow unmapping to reuse the common vmem helpers.
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Use scnprintf() instead of sprintf() for those cases where the destination
is an array and the size of the array is known at compile time.
This prevents theoretical buffer overflows, but also avoids that people
again and again spend time to figure out if the code is actually safe.
Reviewed-by: Jan Polensky <japo@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big set of staging driver updates for 6.19-rc1.
Only thing "major" in here is that two subsystems, gpib and vc04 have
moved out of the staging tree into the "real" portion of the kernel,
which is great to see. Other than that, the rest of the changes are
just tiny coding style cleanups, nothing earth-shattering.
All of these have been in linux-next for a while with no reported
problems"
* tag 'staging-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (53 commits)
staging: rtl8723bs: fix out-of-bounds read in OnBeacon ESR IE parsing
staging: rtl8723bs: fix stack buffer overflow in OnAssocReq IE parsing
staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser
staging: gpib: Clean-up commented-out code
staging: rtl8723bs: remove custom FIELD_OFFSET macro
staging: rtl8723bs: replace FIELD_OFFSET usage with offsetof in rtw_mlme_ext.c
staging: rtl8723bs: remove dead commented code from odm.c
staging: rtl8723bs: use standard offsetof in cfg80211 operations
staging: rtl8723bs: remove unused registry and BSSID offset macros
staging: rtl8723bs: core: delete commented-out code
staging: rtl8723bs: core: fix block comment style issues
staging: greybus: uart: check return values during probe
staging: fbtft: core: fix potential memory leak in fbtft_probe_common()
staging: gpib: Destage gpib
staging: gpib: Fix SPDX license for gpib headers
staging: gpib: Update TODO file
staging: gpib: Change // comments in uapi header file
platform/raspberrypi: Destage VCHIQ MMAL driver
platform/raspberrypi: Destage VCHIQ interface
staging: vc04_services: Cleanup VCHIQ TODO entries
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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 driver updates for
6.19-rc1. Nothing major here, just lots of tiny updates for most of
the common USB drivers. Included in here are:
- more xhci driver updates and fixes
- Thunderbolt driver cleanups
- usb serial driver updates
- typec driver updates
- USB tracepoint additions
- dwc3 driver updates, including support for Apple hardware
- lots of other smaller driver updates and cleanups
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (161 commits)
usb: gadget: tegra-xudc: Always reinitialize data toggle when clear halt
USB: serial: option: move Telit 0x10c7 composition in the right place
USB: serial: option: add Telit Cinterion FE910C04 new compositions
usb: typec: ucsi: fix use-after-free caused by uec->work
usb: typec: ucsi: fix probe failure in gaokun_ucsi_probe()
usb: dwc3: core: Remove redundant comment in core init
usb: phy: Initialize struct usb_phy list_head
USB: serial: option: add Foxconn T99W760
usb: usb-storage: No additional quirks need to be added to the EL-R12 optical drive.
usb: typec: hd3ss3220: Enable VBUS based on ID pin state
dt-bindings: usb: ti,hd3ss3220: Add support for VBUS based on ID state
usb: typec: anx7411: add WQ_PERCPU to alloc_workqueue users
USB: add WQ_PERCPU to alloc_workqueue users
dt-bindings: usb: dwc3-xilinx: Describe the reset constraint for the versal platform
drivers/usb/storage: use min() instead of min_t()
usb: raw-gadget: cap raw_io transfer length to KMALLOC_MAX_SIZE
usb: ohci-da8xx: remove unused platform data
usb: gadget: functionfs: use dma_buf_unmap_attachment_unlocked() helper
usb: uas: reduce time under spinlock
usb: dwc3: eic7700: Add EIC7700 USB driver
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