On WCN7850, after the following sequence:
1. load ath12k and connect to a non-MLO AP
2. disconnect and connect to an MLO AP
3. disconnect and reconnect to the non-MLO AP
the third connection always fails with a 4-Way handshake timeout. The
supplicant transmits message 2 of 4 four times in response to AP
retries of message 1, but the AP never sees any of them.
ath12k_dp_vdev_tx_attach() composes dp_link_vif->tcl_metadata using |=,
but dp_link_vif is embedded in struct ath12k_dp_vif and its slots are
reused across vif/peer teardown and setup. Since tcl_metadata is never
cleared on detach, vdev_id bits from a previous attach remain set when
the same link slot is reused with a different vdev_id. In this specific
issue, the same link slot is used for vdev_id 0, then vdev_id 1, then
vdev_id 0 again, the OR yields tcl_metadata == 0x9, which encodes
vdev_id 1 in the HTT_TCL_META_DATA_VDEV_ID field even though
ti.vdev_id is 0. Firmware then routes the EAPOL frame to the wrong
vdev and the AP never receives message 2.
Use plain assignment instead of |= so the field is fully recomputed
from the current arvif on every attach.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c7-00108-QCAHMTSWPL_V1.0_V2.0_SILICONZ_UPSTREAM-3
Fixes: af66c7640c ("wifi: ath12k: Refactor ath12k_vif structure")
Signed-off-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Reviewed-by: Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>
Link: https://patch.msgid.link/20260609-ath12k-fix-eapol-tcl-metadata-v1-1-d47e6f90d4ee@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
dev_err_probe() internally calls dev_err() which uses pr_fmt() and
printk(). Kernel log messages should end with a newline character
to ensure proper log formatting. Add missing '\n' at the end of
the error strings in rzg2l_gpt_probe().
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://patch.msgid.link/20260604095647.108654-5-biju.das.jz@bp.renesas.com
Fixes: 061f087f5d ("pwm: Add support for RZ/G2L GPT")
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
The original PCIE_FTS_NUM_L0(x) macro was buggy due to improper operator
precedence, where ((x) & 0xff << 8) was evaluated as ((x) & 0xff00).
Instead of just fixing the parentheses, use the standard FIELD_PREP()
macro. This makes the code more robust by automatically handling masks
and shifts, while also adding compile-time type and range checking to
ensure the value fits within PCIE_FTS_NUM_MASK.
Fixes: 637cfacae9 ("PCI: mediatek: Add MediaTek PCIe host controller support")
Signed-off-by: Li RongQing <lirongqing@baidu.com>
[mani: added the bitfield header include spotted by Sashiko]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Link: https://patch.msgid.link/20260515005552.2343-1-lirongqing@baidu.com
Describe GPADC block on Allwinner A523.
Tested on Radxa Cubie A5E:
- 2 connected channels are showing voltages in agreement with
schematics.
BOOT-SEL-ADC ~500mV
BOM-ADC ~1800mV
- 3rd channel exposed on 40pin header is showing correct voltages when
connected to known voltage source.
Signed-off-by: Michal Piekos <michal.piekos@mmpsystems.pl>
Link: https://patch.msgid.link/20260516-sunxi-a523-gpadc-v3-3-a3a04cff2620@mmpsystems.pl
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
The ARMv8.2 based CPUs used in the A523 SoC (and derivatives)
are missing the EL2 virtual timer interrupt. Add it.
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://patch.msgid.link/20260523140242.586031-6-maz@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
MIPI CSI-2 is supported on the A83T with a dedicated controller that
covers both the protocol and D-PHY. It is connected to the only CSI
receiver with a fwnode graph link. Note that the CSI receiver supports
both this MIPI CSI-2 source and a parallel source.
An empty port with a label for the MIPI CSI-2 sensor input is also
defined for convenience.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20260518153339.619947-8-paulk@sys-base.io
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
An interconnect can be attached to the sun6i-a31-isp device, which is
useful to attach the dma memory offset. Add related properties.
Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260518153339.619947-3-paulk@sys-base.io
[wens@kernel.org: Corrected sun6i-a31-csi to sun6i-a31-isp in commit log]
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
An interconnect can be attached to the sun6i-a31-csi device, which is
useful to attach the dma memory offset. Add related properties.
Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260518153339.619947-2-paulk@sys-base.io
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
These changes update some maintainer contact information, add a modern
way of reading the chip information and cleanup/enhance some existing
code.
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Merge tag 'tegra-for-7.2-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
soc/tegra: Changes for v7.2-rc1
These changes update some maintainer contact information, add a modern
way of reading the chip information and cleanup/enhance some existing
code.
* tag 'tegra-for-7.2-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: Use ARM SMCCC to get chip ID, revision, and platform info
soc/tegra: fuse: Register nvmem lookups at probe
Documentation: ABI: Take over as contact for sysfs-driver-tegra-fuse
MAINTAINERS: Move Peter De Schrijver to CREDITS
bus: tegra-aconnect: Use dev_err_probe for probe error paths
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Jeremy Kerr says:
====================
net: mctp: usb: minor fixes for MCTP over USB transport driver
This series adds a couple of fixes in the ndo_open / ndo_stop path for
the MCTP over USB transport, where we are incorrectly sequencing two
error cases.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
====================
Link: https://patch.msgid.link/20260608-dev-mctp-usb-rx-requeue-v2-0-29a3aa507609@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
In the ndo_open path, a deferred queue open will report a failure, and
so the netdev will not be ndo_stop()ed, leaving us with the rx_retry
work potentially pending.
Don't report a deferred queue as an error, as we are still operational.
This means we use the ndo_stop() path for future cleanup, which handles
rx_retry_work cancellation.
Fixes: 0791c0327a ("net: mctp: Add MCTP USB transport driver")
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://patch.msgid.link/20260608-dev-mctp-usb-rx-requeue-v2-2-29a3aa507609@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
It's possible that sequencing between setting ->stopped and cancelling
the rx_retry work (in ndo_stop) could leave us with an urb queued:
T1: ndo_stop T2: rx_retry_work
------------ ----------------
LD: ->stopped => false
ST: ->stopped <= true
usb_kill_urb()
mctp_usb_rx_queue()
usb_submit_urb()
cancel_delayed_work_sync()
That urb completion can then re-schedule rx_retry_work.
Strenghen the sequencing between the stop (preventing another requeue)
and the cancel by updating both atomically under a new rx lock. After
setting ->rx_stopped, and cancelling pending work, we know that the
requeue cannot occur, so all that's left is killing any pending urb.
Fixes: 0791c0327a ("net: mctp: Add MCTP USB transport driver")
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://patch.msgid.link/20260608-dev-mctp-usb-rx-requeue-v2-1-29a3aa507609@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When ip-link output is unavailable, when the upcall daemon log has not
been written yet, or when pahole does not know the OVS drop subsystem
ID, the affected command substitutions silently produce empty strings.
The caller then passes empty sha= or pid= arguments to ovs_add_flow,
or matches against wrong drop reason codes, all without a diagnostic.
Add [ -z ] guards immediately after each assignment. For test_arp_ping,
also align the MAC extraction to use awk '/link\/ether/' as in
test_pop_vlan. The drop_reason guard returns ksft_skip because an
absent subsystem ID is an environment issue, not a test failure.
Signed-off-by: Minxi Hou <houminxi@gmail.com>
Reviewed-by: Aaron Conole <aconole@redhat.com>
Link: https://patch.msgid.link/20260604163016.3929371-1-houminxi@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Previously, NTFS used page allocation for IOMAP_INLINE to ensure that
the inline_data pointer was page-aligned, avoiding strict boundary checks
in the iomap core. Since the previous patch has removed the over-strict
PAGE_SIZE boundary check in iomap, NTFS can now safely point
iomap::inline_data directly to the MFT record.
This change eliminates redundant memory allocations and memcpy operations
in both read and write paths. It also simplifies the iomap_ops by removing
the need for a iomap_end callback that was previously used to free
the temporary page.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Resident $INDEX_ROOT values carry index header fields that callers
consume after lookup. Some callers already validate parts of the layout
before walking entries, but those checks are scattered and do not cover
all root header invariants, such as entries_offset alignment and lower
bound, index_length, and allocated_size consistency.
The resident root resize paths now keep these header fields consistent
while the value size changes: ntfs_ir_truncate() lowers
index.allocated_size before shrinking the resident value, and
ntfs_ir_reparent() grows the resident value before publishing a larger
root header. Lookup-time validation can therefore cover these invariants
without tripping over the driver's own resize paths.
Add $INDEX_ROOT to the minimum resident value size table and validate the
resident index header fields before returning the attribute from lookup.
Require 8-byte aligned index header fields, a sane entries_offset, an
index_length within allocated_size, allocated_size within the resident
value, and enough entry space for at least an index entry header.
The shared validator already rejects non-resident records for
resident-only attribute types, including $INDEX_ROOT.
Cc: stable@vger.kernel.org # v7.1
Signed-off-by: DaeMyung Kang <charsyam@gmail.com>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_ir_truncate() currently shrinks the resident $INDEX_ROOT value first
and only updates index.allocated_size after re-looking up the attribute.
During that relookup, the resident value_length can already be smaller
while index.allocated_size still contains the old larger size.
That leaves a transiently inconsistent $INDEX_ROOT layout and prevents
lookup-time $INDEX_ROOT validation from being enabled: validation can
correctly reject allocated_size extending past the newly shrunk resident
value.
When shrinking, lower index.allocated_size before shrinking value_length.
If the truncate fails, restore the old allocated_size. Keep the existing
grow ordering because the old allocated_size remains within the enlarged
resident value until it is updated after the relookup. The shrink path is
safe because the new value_length still covers struct index_root, so the
index.allocated_size field remains present while it is updated first.
Cc: stable@vger.kernel.org # v7.1
Signed-off-by: DaeMyung Kang <charsyam@gmail.com>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_ir_reparent() moves the resident index root entries into an index
block and leaves a small root stub containing the child VCN. That root
stub can be larger than the existing resident value. For example, an
empty root with value_length 48 has an index area of 32 bytes, while the
large-index root stub needs index_length and allocated_size of 40 bytes.
The current code publishes the larger index.index_length and
index.allocated_size before resizing the resident value. If the resize
returns -ENOSPC, the recovery path can call ntfs_inode_add_attrlist(),
which looks attributes up again while the root header says
allocated_size 40 but the resident value still only provides 32 bytes of
index area. Lookup-time $INDEX_ROOT validation then correctly rejects
that transient layout as corrupt.
This reproduces as a generic/013 failure under qemu. In the failing run,
the transient root had value_len=48, index_size=32, index_length=40, and
allocated_size=40, and ntfsprogs-plus ntfsck reported "Corrupt index
root in MFT record 1177".
When the root stub grows, resize the resident value before publishing the
larger root header. If the resize fails, the old root remains valid for
recovery lookups. Keep the existing header-before-resize ordering for
shrink or same-size cases so the resident value never temporarily
exposes an allocated_size beyond its bounds.
Cc: stable@vger.kernel.org # v7.1
Signed-off-by: DaeMyung Kang <charsyam@gmail.com>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
The shared lookup-time attribute validator rejects non-resident
$FILE_NAME and $VOLUME_NAME records because their formats require
resident values and callers handle returned records as resident
attributes. Other resident-only attribute types still pass through the
generic non-resident mapping-pairs checks.
That leaves real resident/non-resident union confusion paths. Inode load
looks up $STANDARD_INFORMATION and then reads data.resident.value_offset
without checking a->non_resident. ntfs_inode_sync_standard_information()
does the same when updating the standard information value.
ntfs_write_volume_flags() also looks up $VOLUME_INFORMATION and reads
data.resident.value_offset directly. $INDEX_ROOT callers in dir.c and
index.c depend on the same lookup contract before consuming the resident
index root value.
Reject non-resident records for all resident-only attribute types in the
shared validator. Keep the existing $FILE_NAME and $VOLUME_NAME behavior,
but factor it through a helper and extend it to
$STANDARD_INFORMATION, $OBJECT_ID, $VOLUME_INFORMATION, $INDEX_ROOT, and
$EA_INFORMATION. For $OBJECT_ID and $EA_INFORMATION this is contract
hardening for resident-only formats; this patch only rejects the
non-resident form and does not add new resident value validation for
those types.
Cc: stable@vger.kernel.org # v7.1
Signed-off-by: DaeMyung Kang <charsyam@gmail.com>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
New platforms:
- Rainiera6 (Meta)
- SanMiguel (Meta)
Updated platforms:
- Anacapa: SGPIO line names and interrupt configuration
- Clemente: Remove TMP421 nodes
- Kommando: Enable networking via MAC2/MDIO2
- SanMiguel: Line names and interrupt configuration
AST2600 SoC updates:
- Describe PWM/Tach
- Describe I3C controllers
- Reorganise I2C nodes
Other notes:
91b9aed738 ("ARM: dts: aspeed-g6: Add nodes for i3c controllers") currently
causes a new warning:
... /ahb/apb/bus@1e7a0000/syscon@0: failed to match any schema with compatible: ['aspeed,ast2600-i3c-global', 'syscon']
The patch necessary to address it has an R-b tag from Kryzsztof[2] but as best
I can tell is yet to be applied to the MFD tree. I've left the change in for now
as the warning will resolve once the binding patch is applied.
Lastly, as part of improving support for the Kommando card Anirudh has also
addressed[1] the persistent pain we've had with the phy-mode property for the
AST2600 MACs. Thanks to Andrew Lunn for being on the case for a while now, and
for those who tested Anirudh's patch.
[1]: https://lore.kernel.org/all/20260525-asus-kommando-v3-0-e6a0ca1b4a3e@gmail.com/
[2]: https://lore.kernel.org/all/20260425-poised-accomplished-hyena-d2c1a0@quoll/
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Merge tag 'aspeed-7.2-devicetree-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux into soc/dt
aspeed: First batch of ARM devicetree changes for v7.2
New platforms:
- Rainiera6 (Meta)
- SanMiguel (Meta)
Updated platforms:
- Anacapa: SGPIO line names and interrupt configuration
- Clemente: Remove TMP421 nodes
- Kommando: Enable networking via MAC2/MDIO2
- SanMiguel: Line names and interrupt configuration
AST2600 SoC updates:
- Describe PWM/Tach
- Describe I3C controllers
- Reorganise I2C nodes
Other notes:
91b9aed738 ("ARM: dts: aspeed-g6: Add nodes for i3c controllers") currently
causes a new warning:
... /ahb/apb/bus@1e7a0000/syscon@0: failed to match any schema with compatible: ['aspeed,ast2600-i3c-global', 'syscon']
The patch necessary to address it has an R-b tag from Kryzsztof[2] but as best
I can tell is yet to be applied to the MFD tree. I've left the change in for now
as the warning will resolve once the binding patch is applied.
Lastly, as part of improving support for the Kommando card Anirudh has also
addressed[1] the persistent pain we've had with the phy-mode property for the
AST2600 MACs. Thanks to Andrew Lunn for being on the case for a while now, and
for those who tested Anirudh's patch.
[1]: https://lore.kernel.org/all/20260525-asus-kommando-v3-0-e6a0ca1b4a3e@gmail.com/
[2]: https://lore.kernel.org/all/20260425-poised-accomplished-hyena-d2c1a0@quoll/
* tag 'aspeed-7.2-devicetree-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux:
ARM: dts: aspeed: sanmiguel: Fix the CPU_CHIPTHROT linename
ARM: dts: aspeed: sanmiguel: Add IOEXP interrupt pin settings
ARM: dts: aspeed: clemente: Remove IOB NIC TMP421 nodes
ARM: dts: aspeed: Enable networking for Asus Kommando IPMI Card
ARM: dts: aspeed: rainiera6: Add Meta Rainiera6 BMC
dt-bindings: arm: aspeed: Add Meta Rainiera6 board
ARM: dts: aspeed: anacapa: Correct SGPIO names for monitoring
ARM: dts: aspeed: Add Meta SanMiguel BMC
dt-bindings: arm: aspeed: add Meta SanMiguel BMC
ARM: dts: aspeed: g6: Add PWM/Tach controller node
ARM: dts: aspeed: yosemite5: Add MP5998 power monitor
ARM: dts: aspeed: anacapa: Add interrupt properties for PDB PCA9555
ARM: dts: aspeed: msx4: enable BMC networking via MAC0
ARM: dts: aspeed: anacapa: Add JTAG CPLD TRST pin to SGPIO map
ARM: dts: aspeed-g6: Add nodes for i3c controllers
ARM: dts: aspeed-g6: move i2c controllers directly into apb node
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Sophgo:
For CV18xx serials:
- Add bindings for Milk-V "Duo S" board.
For SG2042:
- The CPU unit address incorrectly used decimal numbers,
especially for those nodes which value >= 10. Now
corrected to use hexadecimal.
- The MSI controller actually only supports 16 interrupts;
corrected to match the actual situation.
- PCIe RCs are cache-coherent with the CPU. Marked it out
for RC nodes.
For SG2044:
- The same as SG2042, use hex for CPU unit address.
In additional, update Chen Wang's email address for Sopgho
SoC maintainer.
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
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Merge tag 'riscv-sophgo-dt-for-v7.2' of https://github.com/sophgo/linux into soc/dt
RISC-V Devicetrees for v7.2
Sophgo:
For CV18xx serials:
- Add bindings for Milk-V "Duo S" board.
For SG2042:
- The CPU unit address incorrectly used decimal numbers,
especially for those nodes which value >= 10. Now
corrected to use hexadecimal.
- The MSI controller actually only supports 16 interrupts;
corrected to match the actual situation.
- PCIe RCs are cache-coherent with the CPU. Marked it out
for RC nodes.
For SG2044:
- The same as SG2042, use hex for CPU unit address.
In additional, update Chen Wang's email address for Sopgho
SoC maintainer.
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
* tag 'riscv-sophgo-dt-for-v7.2' of https://github.com/sophgo/linux:
riscv: dts: sophgo: reduce SG2042 MSI count to 16
riscv: dts: sophgo: sg2042: use hex for CPU unit address
riscv: dts: sophgo: sg2044: use hex for CPU unit address
riscv: dts: sophgo: Add dma-coherent to SG2042 PCIe controllers
dt-bindings: soc: sophgo: add sg2000 plic and clint documentation
dt-bindings: soc: sophgo: add Milk-V Duo S board compatibles
MAINTAINERS: update Chen Wang's email address
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Just the one patch adding ethernet nodes for the MA35D1 development board.
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Merge tag 'nuvoton-7.2-devicetree-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux into soc/dt
nuvoton: First batch of arm64 devicetree changes for v7.2
Just the one patch adding ethernet nodes for the MA35D1 development board.
* tag 'nuvoton-7.2-devicetree-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux:
arm64: dts: nuvoton: Add Ethernet nodes
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
While bc13f14f5c ("soc: aspeed: cleanup dead default for
ASPEED_SOCINFO") was committed just now it has been in -next for a while as
b333a0f1c857411d83a02aa6f1d9ecc7666d6179. The commit is fresh as I moved it
between branches.
Other than that it's just the one other patch from Krzysztof tidying up the
location of MODULE_DEVICE_TABLE().
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Merge tag 'aspeed-7.2-drivers-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux into soc/drivers
aspeed: First batch of driver changes for v7.2
While bc13f14f5c ("soc: aspeed: cleanup dead default for
ASPEED_SOCINFO") was committed just now it has been in -next for a while as
b333a0f1c857411d83a02aa6f1d9ecc7666d6179. The commit is fresh as I moved it
between branches.
Other than that it's just the one other patch from Krzysztof tidying up the
location of MODULE_DEVICE_TABLE().
* tag 'aspeed-7.2-drivers-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux:
soc: aspeed: cleanup dead default for ASPEED_SOCINFO
soc: aspeed: Move MODULE_DEVICE_TABLE next to the table itself
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Convert the explicit mutex_lock/mutex_unlock pair in mem_write() into
a cleanup.h guard(mutex)() scope-based lock acquisition. This removes
the remaining goto-based cleanup path and keeps the lock held until
the end of the mem_write() scope.
Suggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: ZhaoJinming <zhaojinming@uniontech.com>
Link: https://patch.msgid.link/20260521130848.2860219-2-zhaojinming@uniontech.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Enable wifi on two TH1520 boards: BeagleV Ahead and Lichee Pi 4a.
The BeagleV Ahead board uses an AP6203BM WiFi module connected to SDIO1.
The Lichee Pi 4A has an RTL8723DS WiFi module also connected to SDIO1.
The module reset line is driven through a PCA9557 GPIO expander on the
I2C1 bus.
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Merge tag 'thead-dt-for-v7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/fustini/linux into soc/dt
T-HEAD Devicetrees for 7.2
Enable wifi on two TH1520 boards: BeagleV Ahead and Lichee Pi 4a.
The BeagleV Ahead board uses an AP6203BM WiFi module connected to SDIO1.
The Lichee Pi 4A has an RTL8723DS WiFi module also connected to SDIO1.
The module reset line is driven through a PCA9557 GPIO expander on the
I2C1 bus.
* tag 'thead-dt-for-v7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/fustini/linux:
riscv: dts: thead: Enable wifi on the BeagleV-Ahead
riscv: dts: thead: Enable WiFi on Lichee Pi 4A
riscv: dts: thead: Add TH1520 I2C1 controller
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Add a riscv,pmu node to the Tenstorrent Blackhole SoC device tree. This
enables OpenSBI to expose the SBI PMU extension, allowing Linux perf to
use the 4 programmable counters (mhpmcounter3-6) across 3 event classes:
instruction commit, microarchitectural, and memory system events.
Extend the RISC-V IOMMU device tree bindings to document the Tenstorrent
IOMMU used in the Tenstorrent Atlantis SoC. A second register range is
added which contains M-mode only registers like PMAs and PMPs. The
binding will be used by OpenSBI and potentially other M-mode software.
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Merge tag 'tenstorrent-dt-for-v7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/tenstorrent/linux into soc/dt
Tenstorrent device tree for v7.2
Add a riscv,pmu node to the Tenstorrent Blackhole SoC device tree. This
enables OpenSBI to expose the SBI PMU extension, allowing Linux perf to
use the 4 programmable counters (mhpmcounter3-6) across 3 event classes:
instruction commit, microarchitectural, and memory system events.
Extend the RISC-V IOMMU device tree bindings to document the Tenstorrent
IOMMU used in the Tenstorrent Atlantis SoC. A second register range is
added which contains M-mode only registers like PMAs and PMPs. The
binding will be used by OpenSBI and potentially other M-mode software.
* tag 'tenstorrent-dt-for-v7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/tenstorrent/linux:
dt-bindings: iommu: riscv: Add bindings for Tenstorrent RISC-V IOMMU
riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Mostly changes to the SRAM driver to allow for one SRAM region to be
"claimed" by multiple changes. When a region is "claimed" it is removed
or disconnected from the CPU's view. This is needed on the H6 and H616,
which have one alias region seemingly shared between the video codec
engine and the display engine.
One minor fix for the RSB driver is also included.
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Merge tag 'sunxi-drivers-for-7.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into soc/drivers
Allwinner driver changes for 7.2
Mostly changes to the SRAM driver to allow for one SRAM region to be
"claimed" by multiple changes. When a region is "claimed" it is removed
or disconnected from the CPU's view. This is needed on the H6 and H616,
which have one alias region seemingly shared between the video codec
engine and the display engine.
One minor fix for the RSB driver is also included.
* tag 'sunxi-drivers-for-7.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
bus: sunxi-rsb: Always check register address validity
soc: sunxi: sram: Add H616 SRAM regions
soc: sunxi: sram: Support claiming multiple regions per device
soc: sunxi: sram: Allow SRAM to be claimed multiple times
soc: sunxi: sram: Const-ify sunxi_sram_func data and references
dt-bindings: sram: sunxi-sram: Add H616 SRAM regions
dt-bindings: sram: Document Allwinner H616 VE SRAM
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
The GPIO controller's registers are organized as sets of eight 32-bit
registers with each set controlling a bank of up to 32 pins. A single
interrupt is shared for all of the banks handled by the controller.
The driver implements this using three gpio chip instances every one
with its own irq chip. Every single pin can generate interrupts having
a total of 96 possible interrupts here. It looks like there is a problem
with interrupts being properly mapped to the gpio bank using this solution.
This problem report is in the following lore's link [0].
Device tree is using two cells for this, so only the interrupt pin and the
interrupt type are described there. Changing to have three cells to setup
also the bank and implement 'of_node_instance_match()' would also work but
this would be an ABI breakage and also a bit incoherent since gpios itself
are also using two cells and properly mapped in desired bank using through
its pin number on 'of_xlate()'.
That said, register a linear IRQ domain of the total of 96 interrupts shared
with the three gpio chip instances so the bank and the interrupt is properly
decoded and devices using gpio IRQs properly work.
[0]: https://lore.kernel.org/linux-gpio/CAAMcf8C_A9dJ_v4QRKtb9eGNOpJ7BZNOGsFP4i2WFOZxOVBPnQ@mail.gmail.com/T/#u
Fixes: 4ba9c3afda ("gpio: mt7621: Add a driver for MT7621")
Co-developed-by: Vicente Bergas <vicencb@gmail.com>
Signed-off-by: Vicente Bergas <vicencb@gmail.com>
Tested-by: Vicente Bergas <vicencb@gmail.com>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://patch.msgid.link/20260609031118.2275735-1-sergio.paracuellos@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
The driver allocates domain generic chips using
irq_alloc_domain_generic_chips() during probe. However, on driver
remove/teardown, the generic chips are not automatically freed when the
IRQ domain is removed because the domain flags do not include
IRQ_DOMAIN_FLAG_DESTROY_GC.
This causes both the domain generic chips structure and the associated
generic chips to be leaked. Additionally, the generic chips remain on
the global gc_list and may later be visited by generic IRQ chip suspend,
resume, or shutdown callbacks after the GPIO bank has been removed,
potentially resulting in a use-after-free and kernel crash.
Fix the resource leak by explicitly calling
irq_domain_remove_generic_chips() before removing the IRQ domain in
rockchip_gpio_remove().
Fixes: 936ee2675e ("gpio/rockchip: add driver for rockchip gpio")
Assisted-by: Antigravity:gemini-3.5-flash
Signed-off-by: Marco Scardovi <scardracs@disroot.org>
Link: https://patch.msgid.link/20260607230504.35392-2-scardracs@disroot.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
gpio-mockup validates only that each second gpio_mockup_ranges value is
non-negative before creating the mock chips. The fixed-base form uses
the second value as the first GPIO number after the range, while the
dynamic-base form uses it as the number of GPIOs.
gpio_mockup_register_chip() stores the resulting number of GPIOs in a
u16 and passes it through a PROPERTY_ENTRY_U16("nr-gpios", ...). Values
greater than U16_MAX therefore truncate silently. For example,
gpio_mockup_ranges=-1,65537 creates a one-line mock GPIO chip instead of
rejecting the invalid request.
Reject zero-width, reversed, and over-U16 ranges before registering any
mock chip.
Assisted-by: Codex:gpt-5.5-cyber-preview
Signed-off-by: Samuel Moelius <sam.moelius@trailofbits.com>
Link: https://patch.msgid.link/20260609004538.1240091.3fba33a20b88.gpio-mockup-ngpio-u16-truncation@trailofbits.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Yuyang Huang says:
====================
ipv4: igmp: annotate diagnostic procfs data races
This patch series addresses several unannotated data races between lockless
RCU-protected diagnostic reads in /proc/net/igmp (igmp_mc_seq_show())
and concurrent writes in serialized paths (RTNL and group spinlocks).
Following the precedent in commit 061c0aa740 ("ipv4: igmp: annotate
data-races around im->users"), we annotate these intentional data races
using READ_ONCE() and WRITE_ONCE() macros.
- Patch 1 annotates races around `in_dev->mc_count` (interface-level joins).
- Patch 2 annotates races around active timer-related state tracking fields
(`tm_running`, `reporter`, `expires`) on individual multicast groups.
====================
Link: https://patch.msgid.link/20260605014318.3890804-1-yuyanghuang@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
/proc/net/igmp walks the multicast list locklessly under RCU and reads
timer-related fields (im->tm_running, im->reporter, im->timer.expires)
to print the timer state of multicast memberships. Concurrently, these
fields are modified under im->lock spinlock in timer management paths
(igmp_stop_timer(), igmp_start_timer(), and igmp_timer_expire()). Fix this
intentional lockless snapshot by annotating the lockless reads with
READ_ONCE() and the updates with WRITE_ONCE().
Signed-off-by: Yuyang Huang <yuyanghuang@google.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260605014318.3890804-3-yuyanghuang@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
/proc/net/igmp walks the multicast list for IPv4 interfaces locklessly
under RCU and prints state->in_dev->mc_count. Concurrently, device
init/destruction and multicast join/leave paths update the count
under the RTNL lock. Fix this intentional lockless snapshot by
annotating the read with READ_ONCE() and the updates with WRITE_ONCE().
Signed-off-by: Yuyang Huang <yuyanghuang@google.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260605014318.3890804-2-yuyanghuang@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
pm_runtime_get_sync() increments the runtime PM usage counter even when it
returns an error. zynq_gpio_remove() uses it to keep the controller active
while removing the GPIO chip, but never drops the usage counter again.
Balance the get with pm_runtime_put_noidle() after disabling runtime PM.
Fixes: 3242ba117e ("gpio: Add driver for Zynq GPIO controller")
Signed-off-by: Ruoyu Wang <ruoyuw560@gmail.com>
Link: https://patch.msgid.link/20260609073313.5-1-ruoyuw560@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
netvsc_copy_to_send_buf() copies page buffer entries into the VMBus
send buffer using phys_to_virt() on the entry PFN. Entries for the
RNDIS header and the skb linear data come from kmalloc'd memory and
are always in the kernel direct map, but entries for skb fragments
reference page cache or user pages, which on 32-bit x86 with
CONFIG_HIGHMEM=y can live above the LOWMEM boundary. For such a page
phys_to_virt() returns an address outside the direct map and the
subsequent memcpy() faults on the transmit softirq path, which is
fatal.
Map the pages with kmap_local_page() instead, handling two properties
of the page buffer entries:
- pb[i].pfn is a Hyper-V PFN at HV_HYP_PAGE_SIZE (4K) granularity,
not a native PFN. Reconstruct the physical address first and derive
the native page from it, so the mapping stays correct where
PAGE_SIZE > HV_HYP_PAGE_SIZE (e.g. arm64 with 64K pages).
- Since commit 41a6328b2c ("hv_netvsc: Preserve contiguous PFN
grouping in the page buffer array"), an entry describes a full
physically contiguous fragment and pb[i].len can exceed PAGE_SIZE,
while kmap_local_page() maps a single page. Copy page by page,
splitting at native page boundaries.
The copy path only handles packets smaller than the send section size
(6144 bytes by default); larger packets take the cp_partial path where
only the RNDIS header is copied. So entries here are bounded by the
section size and a copy is split at most once on 4K-page systems. On
!CONFIG_HIGHMEM configs kmap_local_page() folds to page_address() and
no mapping work is added.
Fixes: c25aaf814a ("hyperv: Enable sendbuf mechanism on the send path")
Cc: stable@vger.kernel.org
Signed-off-by: Anton Leontev <leontyevantony@gmail.com>
Link: https://patch.msgid.link/20260604165938.32033-1-leontyevantony@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add Shikra compatible consistent with CAMSS CCI interfaces.
It requires only two clocks.
Signed-off-by: Nihal Kumar Gupta <nihal.gupta@oss.qualcomm.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Convert the device-tree parsing path to the generic fwnode/device
property accessors so the driver can be probed on ACPI and swnode
platforms as well as OF. The helper is renamed from
i2c_mux_reg_probe_dt() to i2c_mux_reg_probe_fw() to reflect that.
Accessor translation:
of_parse_phandle("i2c-parent") +
of_find_i2c_adapter_by_node() -> fwnode_find_reference() +
i2c_find_adapter_by_fwnode()
of_get_child_count() -> device_get_child_node_count()
of_property_read_bool() -> device_property_read_bool()
for_each_child_of_node() -> device_for_each_child_node()
of_property_read_u32("reg") on ACPI device nodes:
acpi_get_local_address()
everything else (OF, swnode,
ACPI data nodes):
fwnode_property_read_u32()
of_property_read_u32("idle-state") -> device_property_read_u32()
The child-node branch uses is_acpi_device_node() rather than
is_acpi_node(): the latter also matches ACPI data nodes (the
_DSD hierarchical-property children used by PRP0001-style
firmware), which have no ACPI handle and would make
acpi_get_local_address() fall back to evaluating _ADR against the
root namespace and return -ENODATA. Routing data nodes through
fwnode_property_read_u32() instead lets them resolve the "reg"
property the same way OF and swnode children do.
Behavioural preservations (deliberate, to avoid regressing existing
users):
- The three-way endian fallback is kept verbatim: an explicit
"little-endian" property wins, then "big-endian", and otherwise
the host's compile-time byte order. device_is_big_endian() is
not used here because it ignores "little-endian" and introduces
"native-endian" semantics, which would diverge from the binding.
- The "if (!mux->data.reg)" guard around
devm_platform_get_and_ioremap_resource() in probe() is kept.
drivers/platform/mellanox/mlx-platform.c registers i2c-mux-reg
platform_devices with no memory resource and supplies a
pre-set .reg / .reg_size through struct
i2c_mux_reg_platform_data; without the guard those
registrations would fail in probe().
- The "if (!mux->data.reg)" ioremap block (and the paired
reg_size validation that depends on it) is hoisted above
i2c_get_adapter(mux->data.parent), so the fwnode path
preserves master's ordering of "ioremap before parent-adapter
get". For platdata users the validation runs from a slightly
earlier position, but mux->data.reg_size is already set from
platdata by then, so the order is functionally neutral.
The OF-only of_address_to_resource() translation in the old
probe_dt() is dropped because the same address is available from
the platform_device resource table on OF as well as ACPI, and the
existing fallback in probe() ioremaps it.
Acked-by: Peter Rosin <peda@lysator.liu.se>
Signed-off-by: Abdurrahman Hussain <abdurrahman@nexthop.ai>
Assisted-by: Claude-Code:claude-opus-4-7
Assisted-by: sashiko:gemini-3.1-pro-preview
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
