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On 64bit arches, struct u64_stats_sync is empty and provides no help
against load/store tearing. memcpy() should not be considered atomic
against u64 values. Use u64_stats_copy() instead.
Signed-off-by: David Yang <mmyangfl@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260120092137.2161162-5-mmyangfl@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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On 64bit arches, struct u64_stats_sync is empty and provides no help
against load/store tearing. memcpy() should not be considered atomic
against u64 values. Use u64_stats_copy() instead.
Signed-off-by: David Yang <mmyangfl@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260120092137.2161162-4-mmyangfl@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In mvpp2_ethtool_cls_rule_ins(), the ethtool_rule is allocated by
ethtool_rx_flow_rule_create(). If the subsequent conversion to flow
type fails, the function jumps to the clean_rule label.
However, the clean_rule label only frees efs, skipping the cleanup
of ethtool_rule, which leads to a memory leak.
Fix this by jumping to the clean_eth_rule label, which properly calls
ethtool_rx_flow_rule_destroy() before freeing efs.
Compile tested only. Issue found using a prototype static analysis tool
and code review.
Fixes: f4f1ba18195d ("net: mvpp2: cls: Report an error for unsupported flow types")
Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20260123065716.2248324-1-zilin@seu.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since cited commit, core locks the net_device's rss_lock when handling
ethtool -x command, so driver's implementation should not lock it
again. Remove the latter.
Fixes: 040cef30b5e6 ("net: ethtool: move get_rxfh callback under the rss_lock")
Reported-by: Damir Mansurov <damir.mansurov@oktetlabs.ru>
Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1126015
Suggested-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/20260123161634.1215006-1-edward.cree@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2026-01-23
The first patch is by Zilin Guan and fixes a memory leak in the error
path of the at91_can driver's probe function.
The last patch is by me and fixes yet another error in the gs_usb's
gs_usb_receive_bulk_callback() function.
* tag 'linux-can-fixes-for-6.19-20260123' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: gs_usb: gs_usb_receive_bulk_callback(): fix error message
can: at91_can: Fix memory leak in at91_can_probe()
====================
Link: https://patch.msgid.link/20260123173241.1026226-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Only one core change, the rest are drivers.
The core change reorders some state operations in the error handler to
try to prevent missed wake ups of the error handler (which can halt
error processing and effectively freeze the entire system)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Sanitize payload size to prevent member overflow
scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()
scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()
scsi: core: Wake up the error handler when final completions race against each other
scsi: storvsc: Process unsupported MODE_SENSE_10
scsi: xen: scsiback: Fix potential memory leak in scsiback_remove()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/iio driver fixes from Greg KH:
"Here are some small char/misc/iio and some other minor driver
subsystem fixes for 6.19-rc7. Nothing huge here, just some fixes for
reported issues including:
- lots of little iio driver fixes
- comedi driver fixes
- mux driver fix
- w1 driver fixes
- uio driver fix
- slimbus driver fixes
- hwtracing bugfix
- other tiny bugfixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (36 commits)
comedi: dmm32at: serialize use of paged registers
mei: trace: treat reg parameter as string
uio: pci_sva: correct '-ENODEV' check logic
uacce: ensure safe queue release with state management
uacce: implement mremap in uacce_vm_ops to return -EPERM
uacce: fix isolate sysfs check condition
uacce: fix cdev handling in the cleanup path
slimbus: core: clean up of_slim_get_device()
slimbus: core: fix of_slim_get_device() kernel doc
slimbus: core: amend slim_get_device() kernel doc
slimbus: core: fix device reference leak on report present
slimbus: core: fix runtime PM imbalance on report present
slimbus: core: fix OF node leak on registration failure
intel_th: rename error label
intel_th: fix device leak on output open()
comedi: Fix getting range information for subdevices 16 to 255
mux: mmio: Fix IS_ERR() vs NULL check in probe()
interconnect: debugfs: initialize src_node and dst_node to empty strings
iio: dac: ad3552r-hs: fix out-of-bound write in ad3552r_hs_write_data_source
iio: accel: iis328dq: fix gain values
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are three small serial driver fixes for 6.19-rc7 that resolve
some reported issues. They include:
- tty->port race condition fix for a reported problem
- qcom_geni serial driver fix
- 8250_pci serial driver fix
All of these have been in linux-next with no reported issues"
* tag 'tty-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: Fix not set tty->port race condition
serial: 8250_pci: Fix broken RS485 for F81504/508/512
serial: qcom_geni: Fix BT failure regression on RB2 platform
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:
- k1: drop wrong IRQF_ONESHOT from IRQ request to fix genirq warning
* tag 'i2c-for-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: spacemit: drop IRQF_ONESHOT flag from IRQ request
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a couple of quirks to i8042 to enable keyboard on a Asus and MECHREVO
laptops
* tag 'input-for-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - add quirks for MECHREVO Wujie 15X Pro
Input: i8042 - add quirk for ASUS Zenbook UX425QA_UM425QA
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The hardware allows for an opaque CQ context field to be carried
over into CEQEs for the CQ. Previously, a pointer to the CQ was used
for this context. In the normal CQ destroy flow, the CEQ ring is
scrubbed to remove any preexisting CEQEs for the CQ that may not have
been processed yet so that the CQ structure is not dereferenced in the
CEQ ISR after the CQ has been freed.
However, in some cases, it is possible for a CEQE to be in flight in
HW even after the CQ destroy command completion is received, so it
could be missed during the scrub.
To protect against this, we can take advantage of the CQ table that
already exists and use the CQ ID for this context rather than a CQ
pointer.
Signed-off-by: Jacob Moroni <jmoroni@google.com>
Link: https://patch.msgid.link/20260120212546.1893076-2-jmoroni@google.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Added definitions for the special reserved CQs and QPs.
Signed-off-by: Jacob Moroni <jmoroni@google.com>
Link: https://patch.msgid.link/20260120212546.1893076-1-jmoroni@google.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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The current implementation incorrectly handles memory regions (MRs) with
page sizes different from the system PAGE_SIZE. The core issue is that
rxe_set_page() is called with mr->page_size step increments, but the
page_list stores individual struct page pointers, each representing
PAGE_SIZE of memory.
ib_sg_to_page() has ensured that when i>=1 either
a) SG[i-1].dma_end and SG[i].dma_addr are contiguous
or
b) SG[i-1].dma_end and SG[i].dma_addr are mr->page_size aligned.
This leads to incorrect iova-to-va conversion in scenarios:
1) page_size < PAGE_SIZE (e.g., MR: 4K, system: 64K):
ibmr->iova = 0x181800
sg[0]: dma_addr=0x181800, len=0x800
sg[1]: dma_addr=0x173000, len=0x1000
Access iova = 0x181800 + 0x810 = 0x182010
Expected VA: 0x173010 (second SG, offset 0x10)
Before fix:
- index = (0x182010 >> 12) - (0x181800 >> 12) = 1
- page_offset = 0x182010 & 0xFFF = 0x10
- xarray[1] stores system page base 0x170000
- Resulting VA: 0x170000 + 0x10 = 0x170010 (wrong)
2) page_size > PAGE_SIZE (e.g., MR: 64K, system: 4K):
ibmr->iova = 0x18f800
sg[0]: dma_addr=0x18f800, len=0x800
sg[1]: dma_addr=0x170000, len=0x1000
Access iova = 0x18f800 + 0x810 = 0x190010
Expected VA: 0x170010 (second SG, offset 0x10)
Before fix:
- index = (0x190010 >> 16) - (0x18f800 >> 16) = 1
- page_offset = 0x190010 & 0xFFFF = 0x10
- xarray[1] stores system page for dma_addr 0x170000
- Resulting VA: system page of 0x170000 + 0x10 = 0x170010 (wrong)
Yi Zhang reported a kernel panic[1] years ago related to this defect.
Solution:
1. Replace xarray with pre-allocated rxe_mr_page array for sequential
indexing (all MR page indices are contiguous)
2. Each rxe_mr_page stores both struct page* and offset within the
system page
3. Handle MR page_size != PAGE_SIZE relationships:
- page_size > PAGE_SIZE: Split MR pages into multiple system pages
- page_size <= PAGE_SIZE: Store offset within system page
4. Add boundary checks and compatibility validation
This ensures correct iova-to-va conversion regardless of MR page size
and system PAGE_SIZE relationship, while improving performance through
array-based sequential access.
Tests on 4K and 64K PAGE_SIZE hosts:
- rdma-core/pytests
$ ./build/bin/run_tests.py --dev eth0_rxe
- blktest:
$ TIMEOUT=30 QUICK_RUN=1 USE_RXE=1 NVMET_TRTYPES=rdma ./check nvme srp rnbd
[1] https://lore.kernel.org/all/CAHj4cs9XRqE25jyVw9rj9YugffLn5+f=1znaBEnu1usLOciD+g@mail.gmail.com/T/
Fixes: 592627ccbdff ("RDMA/rxe: Replace rxe_map and rxe_phys_buf by xarray")
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Link: https://patch.msgid.link/20260116032753.2574363-1-lizhijian@fujitsu.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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The MECHREVO Wujie 15X Pro requires several i8042 quirks to function
correctly. Specifically, NOMUX, RESET_ALWAYS, NOLOOP, and NOPNP are
needed to ensure the keyboard and touchpad work reliably.
Signed-off-by: gongqi <550230171hxy@gmail.com>
Link: https://patch.msgid.link/20260122155501.376199-3-550230171hxy@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The ASUS Zenbook UX425QA_UM425QA fails to initialize the keyboard after
a cold boot.
A quirk already exists for "ZenBook UX425", but some Zenbooks report
"Zenbook" with a lowercase 'b'. Since DMI matching is case-sensitive,
the existing quirk is not applied to these "extra special" Zenbooks.
Testing confirms that this model needs the same quirks as the ZenBook
UX425 variants.
Signed-off-by: feng <alec.jiang@gmail.com>
Link: https://patch.msgid.link/20260122013957.11184-1-alec.jiang@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The wake_type parameter from touchscreen registers is not used for
anything functional - the driver only validates that it matches a
hard-coded expected value per chip variant. This causes probe to fail
on touchscreens that report a different wake_type despite being
otherwise compatible.
Drop the wake_type check and the associated chip data member to allow
the existing compatibles to work with more touchscreen variants.
Signed-off-by: Gianluca Boiano <morf3089@gmail.com>
Suggested-by: Hans de Goede <hansg@kernel.org>
Link: https://patch.msgid.link/20260122001040.76869-1-morf3089@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"The notable changes here are the three RISC-V timer compare register
update sequence patches. These only apply to RV32 systems and are
related to the 64-bit timer compare value being split across two
separate 32-bit registers.
We weren't using the appropriate three-write sequence, documented in
the RISC-V ISA specifications, to avoid spurious timer interrupts
during the update sequence; so, these patches now use the recommended
sequence.
This doesn't affect 64-bit RISC-V systems, since the timer compare
value fits inside a single register and can be updated with a single
write.
- Fix the RISC-V timer compare register update sequence on RV32
systems to use the recommended sequence in the RISC-V ISA manual
This avoids spurious interrupts during updates
- Add a dependence on the new CONFIG_CACHEMAINT_FOR_DMA Kconfig
symbol for Renesas and StarFive RISC-V SoCs
- Add a temporary workaround for a Clang compiler bug caused by using
asm_goto_output for get_user()
- Clarify our documentation to specifically state a particular ISA
specification version for a chapter number reference"
* tag 'riscv-for-linus-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Add intermediate cast to 'unsigned long' in __get_user_asm
riscv: Use 64-bit variable for output in __get_user_asm
soc: renesas: Fix missing dependency on new CONFIG_CACHEMAINT_FOR_DMA
riscv: ERRATA_STARFIVE_JH7100: Fix missing dependency on new CONFIG_CACHEMAINT_FOR_DMA
riscv: suspend: Fix stimecmp update hazard on RV32
riscv: kvm: Fix vstimecmp update hazard on RV32
riscv: clocksource: Fix stimecmp update hazard on RV32
Documentation: riscv: uabi: Clarify ISA spec version for canonical order
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Pull NTB fix from Jon Mason:
"Bug fix for uninitialized mutex in ntb transport"
* tag 'ntb-6.19-bugfixes' of https://github.com/jonmason/ntb:
ntb: transport: Fix uninitialized mutex
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Use scoped for-each loop when iterating over device nodes to make code a
bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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Use scoped for-each loop when iterating over device nodes to make code a
bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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RISC-V SBI Message Proxy (MPXY) Mailbox support defaults to enabled, but
the help text states "If unsure say N".
Recommend enabling this driver, as it is a very critical RISC-V driver
providing mailbox channels to other drivers such as clock, system MSIs,
etc.
Fixes: bf3022a4eb119c6b ("mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver")
Suggested-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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Fix uninitialized symbol 'hartid' warning in mchp_ipc_cluster_aggr_isr()
by introducing a 'found' flag to track whether the IRQ matches any
online hart. If no match is found, return IRQ_NONE.
Also fix other smatch warnings by removing dead code in
mchp_ipc_startup() and by returning -ENODEV in dev_err_probe() if the
Microchip SBI extension is not found.
Fixes below smatch warnings:
drivers/mailbox/mailbox-mchp-ipc-sbi.c:187 mchp_ipc_cluster_aggr_isr() error: uninitialized symbol 'hartid'.
drivers/mailbox/mailbox-mchp-ipc-sbi.c:324 mchp_ipc_startup() warn: ignoring unreachable code.
drivers/mailbox/mailbox-mchp-ipc-sbi.c:422 mchp_ipc_probe() warn: passing zero to 'dev_err_probe'
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202512171533.CDLdScMY-lkp@intel.com/
Signed-off-by: Valentina Fernandez <valentina.fernandezalanis@microchip.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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Fix typo "channnels"-> "channels" in struct documentation.
Signed-off-by: Lakshmi S <lakshmicar.2023@gmail.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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Fix typo "overlow" -> "overflow" in FIFO overflow error message.
Signed-off-by: Lakshmi S <lakshmicar.2023@gmail.com>
Reviewed-by: Peter Chen <peter.chen@cixtech.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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In current imx-mailbox driver, the MU IRQ is configured with
'IRQF_NO_SUSPEND' flag set. So during linux suspend/resume flow,
the MU IRQ is always enabled. With commit 892cb524ae8a ("mailbox: imx:
fix wakeup failure from freeze mode"), if the MU IRQ is triggered after
the priv->suspended flag has been set, the system suspend will be
aborted.
On i.MX7ULP platform, certain drivers that depend on rpmsg may need
to send rpmsg request and receive an acknowledgment from the remote
core during the late_suspend stage. Early suspend abort is not
expected, and the i.MX7ULP already has additional hardware and
software to make sure the system can be wakeup from freeze mode
correctly when MU IRQ is trigger.
Skip the 'suspend' flag handling logic on i.MX7ULP to avoid the
early abort when doing suspend.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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pclk is not needed past probe(), just drop it. This saves a little bit
of runtime memory.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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The PCC code currently specifies IRQF_ONESHOT if the interrupt could
potentially be shared but doesn't actually use request_threaded_irq() and
the interrupt handler does not use IRQ_WAKE_THREAD so IRQF_ONESHOT is
never relevant. Since commit aef30c8d569c ("genirq: Warn about using
IRQF_ONESHOT without a threaded handler") specifying it has resulted in a
WARN_ON(), fix this by removing IRQF_ONESHOT.
Reported-by: Aishwarya TCV <Aishwarya.TCV@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fixes from Danilo Krummrich:
- Always inline I/O and IRQ methods using build_assert!() to avoid
false positive build errors
- Do not free the driver's device private data in I2C shutdown()
avoiding race conditions that can lead to UAF bugs
- Drop the driver's device private data after the driver has been
fully unbound from its device to avoid UAF bugs from &Device<Bound>
scopes, such as IRQ callbacks
* tag 'driver-core-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
rust: driver: drop device private data post unbind
rust: driver: add DriverData type to the DriverLayout trait
rust: driver: add DEVICE_DRIVER_OFFSET to the DriverLayout trait
rust: driver: introduce a DriverLayout trait
rust: auxiliary: add Driver::unbind() callback
rust: i2c: do not drop device private data on shutdown()
rust: irq: always inline functions using build_assert with arguments
rust: io: always inline functions using build_assert with arguments
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
- Fix spurious interrupts during resume in the renesas-rzv2h driver
- Fix a 32+ bit physical memory truncation bug in the gic-v3-its driver
* tag 'irq-urgent-2026-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3-its: Avoid truncating memory addresses
irqchip/renesas-rzv2h: Prevent TINT spurious interrupt during resume
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Add support for the SpacemiT K3 SoC reset controller. The K3 reset
driver reuses the common reset controller code and provides K3-specific
reset data for devices managed by the following units:
- MPMU (Main Power Management Unit)
- APBC (APB clock unit)
- APMU (Application Subsystem Power Management Unit)
- DCIU (DMA Control and Interface Unit)
Acked-by: Alex Elder <elder@riscstar.com>
Signed-off-by: Guodong Xu <guodong@riscstar.com>
Reviewed-by: Yixun Lan <dlan@kernel.org>
Link: https://lore.kernel.org/spacemit/20260114092742-GYC7933267@gentoo.org/ [1]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Extract the common reset controller code from the K1 driver into
separate reset-spacemit-common.{c,h} files to prepare for additional
SpacemiT SoCs that share the same reset controller architecture.
The common code includes handlers for reset assert and deassert
operations and probing for auxiliary bus devices.
Changes during extraction:
- Module ownership: Use dev->driver->owner instead of THIS_MODULE in
spacemit_reset_controller_register() to correctly reference the
calling driver's module.
- Rename spacemit_reset_ids to spacemit_k1_reset_ids.
- Define new namespace "RESET_SPACEMIT" for the exported common
functions (spacemit_reset_probe) and update K1 driver to import it.
This prepares for additional SpacemiT SoCs (K3) that share the same reset
controller architecture.
Reviewed-by: Alex Elder <elder@riscstar.com>
Signed-off-by: Guodong Xu <guodong@riscstar.com>
Reviewed-by: Yixun Lan <dlan@kernel.org>
Link: https://lore.kernel.org/spacemit/20260114092742-GYC7933267@gentoo.org/ [1]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Create a dedicated subdirectory for SpacemiT reset drivers to allow
for better organization as support for more SoCs is added.
Move the existing K1 reset driver into this new directory and rename
it to reset-spacemit-k1.c.
Rename the Kconfig symbol to RESET_SPACEMIT_K1 and update its default
from ARCH_SPACEMIT to SPACEMIT_K1_CCU. The reset driver depends on the
clock driver to register reset devices as an auxiliary device, so the
default should reflect this dependency.
Also sort the drivers/reset/Kconfig entries alphabetically.
Reviewed-by: Alex Elder <elder@riscstar.com>
Signed-off-by: Guodong Xu <guodong@riscstar.com>
Reviewed-by: Yixun Lan <dlan@kernel.org>
Link: https://lore.kernel.org/spacemit/20260114092742-GYC7933267@gentoo.org/ [1]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The driver doesn't use any symbols depending on CONFIG_OF, so drop the
dependency. Also, enable it by default when ARCH_CANAAN is selected.
Fixes: 360a7a647759 ("reset: canaan: add reset driver for Kendryte K230")
Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The RZ/G2L USBPHY control driver is also used on the RZ/G3S SoC.
The RZ/G3S SoC supports a power-saving mode in which power to most USB
components (including the USBPHY control block) is turned off. Because of
this, the USBPHY control block needs to be reconfigured when returning
from power-saving mode.
Add suspend/resume support to handle runtime suspend/resume of the device,
assert/deassert the reset signal, and reinitialize the USBPHY control
block.
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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regmap_field_update_bits()
Propagate the return value of regmap_field_update_bits() to avoid losing
any possible error. With this, the return type of
rzg2l_usbphy_ctrl_set_pwrrdy() was updated accordingly.
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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gpiod_set_value_cansleep() now returns an integer and can indicate
failures. Propagate the return value to the caller of the reset API.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Support i.MX8ULP's SIM LPAV by adding its reset map definition.
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Switch to per-device reset map to allow reusing the driver for other NXP
block control IPs.
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Switch to using the regmap API to allow performing register operations
under the same lock. This is needed for cases such as i.MX8ULP's SIM LPAV
where clock gating, reset control and MUX-ing is performed via the same
register (i.e. SYSCTRL0) and different subsystem APIs.
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The macros defining the mask values for the EARC, EARC PHY resets,
and the DSP RUN_STALL signal can be dropped as they are not and will
not be used anywhere else except to set the value of the "mask" field
from "struct imx8mp_reset_map". In this particular case, based on the
name of the "mask" field, you can already deduce what these values are
for, which is why defining macros for them doesn't offer any new
information, nor does it help with the code readability.
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-mergewindow
at24 updates for v7.0-rc1
- add a set of new compatibles to DT bindings
- use dev_err_probe() consistently in the driver
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git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.19-rc7
k1: drop IRQF_ONESHOT from IRQ request to fix genirq warning.
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Intel pinctrl drivers support large set of platforms and the IPs are
often reused by their different variants, but it's currently not possible
to figure out the exact driver that supports specific variant. Add user
friendly documentation for them.
Cc: stable@vger.kernel.org
Reported-by: Guido Trentalancia <guido@trentalancia.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220056
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Guido Trentalancia <guido@trentalancia.com>
[andy: added Oxford comma]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Move the PHY initialization from PRE_CHANGE to POST_CHANGE in the
ufs_versal2_hce_enable_notify() callback. This ensures that the PHY is
initialized after the host controller enable sequence is complete, rather
than before it starts.
The PHY initialization requires the UFS host controller to be in a stable
enabled state to properly configure the MPHY registers. Moving this to
POST_CHANGE aligns with the expected initialization order and prevents
potential timing issues during controller startup.
Fixes: 769b8b2ffded ("scsi: ufs: amd-versal2: Add UFS support for AMD Versal Gen 2 SoC")
Signed-off-by: Ajay Neeli <ajay.neeli@amd.com>
Link: https://patch.msgid.link/20251224053950.54213-1-ajay.neeli@amd.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The code in sbp_make_tpg() limits "tpgt" to UINT_MAX but the data type of
"tpg->tport_tpgt" is u16. This causes a type truncation issue.
When a user creates a TPG via configfs mkdir, for example:
mkdir /sys/kernel/config/target/sbp/<wwn>/tpgt_70000
The value 70000 passes the "tpgt > UINT_MAX" check since 70000 is far less
than 4294967295. However, when assigned to the u16 field tpg->tport_tpgt,
the value is silently truncated to 4464 (70000 & 0xFFFF). This causes the
value the user specified to differ from what is actually stored, leading to
confusion and potential unexpected behavior.
Fix this by changing the type of "tpgt" to u16 and using kstrtou16() which
will properly reject values outside the u16 range.
Fixes: a511ce339780 ("sbp-target: Initial merge of firewire/ieee-1394 target mode support")
Signed-off-by: Kery Qi <qikeyu2017@gmail.com>
Link: https://patch.msgid.link/20260121114515.1829-2-qikeyu2017@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If nonemb_cmd->va fails to be allocated, free the allocation previously
made by alloc_mcc_wrb().
Fixes: 50a4b824be9e ("scsi: be2iscsi: Fix to make boot discovery non-blocking")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Link: https://patch.msgid.link/20251213083643.301240-1-lihaoxiang@isrc.iscas.ac.cn
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Earlier in the function, the ha->flt buffer is allocated with size
sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE but freed in the error
path with size SFP_DEV_SIZE.
Fixes: 84318a9f01ce ("scsi: qla2xxx: edif: Add send, receive, and accept for auth_els")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://patch.msgid.link/20260112134326.55466-2-fourier.thomas@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Marco Crivellari <marco.crivellari@suse.com> says:
Hi,
This series continues the effort to refactor the Workqueue API.
No behavior changes are introduced by this series.
=== Recent changes to the WQ API ===
The following, address the recent changes in the Workqueue API:
- commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq")
- commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag")
The old workqueues will be removed in a future release cycle and
unbound will become the implicit default.
=== Introduced Changes by this series ===
1) [P 1-2-3] add WQ_PERCPU to alloc_workqueue() users
With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
must now use WQ_PERCPU.
WQ_UNBOUND will be removed in future.
For more information:
https://lore.kernel.org/all/20250221112003.1dSuoGyc@linutronix.de/
Link: https://patch.msgid.link/20260113145711.242316-1-marco.crivellari@suse.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This continues the effort to refactor workqueue APIs, which began with
the introduction of new workqueues and a new alloc_workqueue() flag in:
commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq")
commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag")
The refactoring is going to alter the default behavior of
alloc_workqueue() to be unbound by default.
With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
must now use WQ_PERCPU. For more details see the Link tag below.
In order to keep alloc_workqueue() behavior identical, explicitly
request WQ_PERCPU.
Link: https://lore.kernel.org/all/20250221112003.1dSuoGyc@linutronix.de/
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Link: https://patch.msgid.link/20260113145711.242316-4-marco.crivellari@suse.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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