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To allow runtime switching between vlan aware and vlan non-aware mode,
we need to properly keep track of any bridge VLAN configuration.
Likewise, we need to know when we actually switch between both modes, to
not have to rewrite the full VLAN table every time we update the VLANs.
So keep track of the current vlan_filtering mode, and on changes, apply
the appropriate VLAN configuration.
Fixes: 0ee2af4ebbe3 ("net: dsa: set configure_vlan_while_not_filtering to true by default")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-10-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Documentation/networking/switchdev.rst says:
- with VLAN filtering turned off: the bridge is strictly VLAN unaware and its
data path will process all Ethernet frames as if they are VLAN-untagged.
The bridge VLAN database can still be modified, but the modifications should
have no effect while VLAN filtering is turned off.
This breaks if we immediately apply the VLAN configuration, so skip
writing it when vlan_filtering is off.
Fixes: 0ee2af4ebbe3 ("net: dsa: set configure_vlan_while_not_filtering to true by default")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-9-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since we cannot set forwarding destinations per VLAN, we should not have
a VLAN 0 configured, as it would allow untagged traffic to work across
ports on VLAN aware bridges regardless if a PVID untagged VLAN exists.
So remove the VLAN 0 on join, an re-add it on leave. But only do so if
we have a VLAN aware bridge, as without it, untagged traffic would
become tagged with VID 0 on a VLAN unaware bridge.
Fixes: a2482d2ce349 ("net: dsa: b53: Plug in VLAN support")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-8-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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While JOIN_ALL_VLAN allows to join all VLANs, we still need to keep the
default VLAN enabled so that untagged traffic stays untagged.
So rejoin the default VLAN even for switches with JOIN_ALL_VLAN support.
Fixes: 48aea33a77ab ("net: dsa: b53: Add JOIN_ALL_VLAN support")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-7-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The untagged default VLAN is added to the default vlan, which may be
one, but we modify the VLAN 0 entry on bridge leave.
Fix this to use the correct VLAN entry for the default pvid.
Fixes: fea83353177a ("net: dsa: b53: Fix default VLAN ID")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-6-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Presumably the intention here was to flush the VLAN of the old pvid, not
the added VLAN again, which we already flushed before.
Fixes: a2482d2ce349 ("net: dsa: b53: Plug in VLAN support")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-5-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently the PVID of ports are only set when adding/updating VLANs with
PVID set or removing VLANs, but not when clearing the PVID flag of a
VLAN.
E.g. the following flow
$ ip link add br0 type bridge vlan_filtering 1
$ ip link set sw1p1 master bridge
$ bridge vlan add dev sw1p1 vid 10 pvid untagged
$ bridge vlan add dev sw1p1 vid 10 untagged
Would keep the PVID set as 10, despite the flag being cleared. Fix this
by checking if we need to unset the PVID on vlan updates.
Fixes: a2482d2ce349 ("net: dsa: b53: Plug in VLAN support")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-4-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The Broadcom management header does not carry the original VLAN tag
state information, just the ingress port, so for untagged frames we do
not know from which VLAN they originated.
Therefore keep the CPU port always tagged except for VLAN 0.
Fixes the following setup:
$ ip link add br0 type bridge vlan_filtering 1
$ ip link set sw1p1 master br0
$ bridge vlan add dev br0 pvid untagged self
$ ip link add sw1p2.10 link sw1p2 type vlan id 10
Where VID 10 would stay untagged on the CPU port.
Fixes: 2c32a3d3c233 ("net: dsa: b53: Do not force CPU to be always tagged")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-3-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Allow reserved multicast to ignore VLAN membership so STP and other
management protocols work without a PVID VLAN configured when using a
vlan aware bridge.
Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-2-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When sending out any kind of traffic, it is essential that the driver
keeps reporting BQL of the number of bytes that have been sent so that
BQL can track the amount of data in the queue and prevents it from
overflowing. If BQL is not reported, the driver may continue sending
packets even when the queue is full, leading to packet loss, congestion
and decreased network performance. Currently this is missing in
emac_xmit_xdp_frame() and this patch fixes it.
Fixes: 62aa3246f462 ("net: ti: icssg-prueth: Add XDP support")
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250506110546.4065715-4-m-malladi@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add __netif_tx_lock() to ensure that only one packet is being
transmitted at a time to avoid race conditions in the netif_txq
struct and prevent packet data corruption. Failing to do so causes
kernel panic with the following error:
[ 2184.746764] ------------[ cut here ]------------
[ 2184.751412] kernel BUG at lib/dynamic_queue_limits.c:99!
[ 2184.756728] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
logs: https://gist.github.com/MeghanaMalladiTI/9c7aa5fc3b7fb03f87c74aad487956e9
The lock is acquired before calling emac_xmit_xdp_frame() and released after the
call returns. This ensures that the TX queue is protected from concurrent access
during the transmission of XDP frames.
Fixes: 62aa3246f462 ("net: ti: icssg-prueth: Add XDP support")
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250506110546.4065715-3-m-malladi@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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xdp_features demonstrates what all XDP capabilities are supported
on a given network device. The driver needs to set these xdp_features
flag to let the network stack know what XDP features a given driver
is supporting. These flags need to be set for a given ndev irrespective
of any XDP program being loaded or not.
Fixes: 62aa3246f462 ("net: ti: icssg-prueth: Add XDP support")
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250506110546.4065715-2-m-malladi@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The official Airoha EN7581 firmware requires adding max_packet field in
ppe_mbox_data struct while the unofficial one used to develop the Airoha
EN7581 flowtable support does not require this field.
This patch does not introduce any real backwards compatible issue since
EN7581 fw is not publicly available in linux-firmware or other
repositories (e.g. OpenWrt) yet and the official fw version will use this
new layout. For this reason this change needs to be backported.
Moreover, make explicit the padding added by the compiler introducing
the rsv array in init_info struct.
At the same time use u32 instead of int for init_info and set_info
struct definitions in ppe_mbox_data struct.
Fixes: 23290c7bc190d ("net: airoha: Introduce Airoha NPU support")
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250506-airoha-en7581-fix-ppe_mbox_data-v5-1-29cabed6864d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Reading back the remapped HDP flush register seems to cause
problems on some platforms. All we need is a read, so read back
the memcfg register.
Fixes: c9b8dcabb52a ("drm/amdgpu/hdp4.0: do a posting read when flushing HDP")
Reported-by: Alexey Klimov <alexey.klimov@linaro.org>
Link: https://lists.freedesktop.org/archives/amd-gfx/2025-April/123150.html
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4119
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3908
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 5c937b4a6050316af37ef214825b6340b5e9e391)
Cc: stable@vger.kernel.org
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Set the s3/s0ix and s4 flags in the pm notifier so that we can skip
the resource evictions properly in pm prepare based on whether
we are suspending or hibernating. Drop the eviction as processes
are not frozen at this time, we we can end up getting stuck trying
to evict VRAM while applications continue to submit work which
causes the buffers to get pulled back into VRAM.
v2: Move suspend flags out of pm notifier (Mario)
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4178
Fixes: 2965e6355dcd ("drm/amd: Add Suspend/Hibernate notification callback support")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 06f2dcc241e7e5c681f81fbc46cacdf4bfd7d6d7)
Cc: stable@vger.kernel.org
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This reverts commit 3a9626c816db901def438dc2513622e281186d39.
This breaks S4 because we end up setting the s3/s0ix flags
even when we are entering s4 since prepare is used by both
flows. The causes both the S3/s0ix and s4 flags to be set
which breaks several checks in the driver which assume they
are mutually exclusive.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3634
Cc: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit ce8f7d95899c2869b47ea6ce0b3e5bf304b2fff4)
Cc: stable@vger.kernel.org
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VCN1_AON_SOC_ADDRESS_3_0 offset varies on different
VCN generations, the issue in vcn4.0.5 is caused by
a different VCN1_AON_SOC_ADDRESS_3_0 offset.
This patch does the following:
1. use the same offset for other VCN generations.
2. use the vcn4.0.5 special offset
3. update vcn_4_0 and vcn_5_0
Acked-by: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 5c89ceda9984498b28716944633a9a01cbb2c90d)
Cc: stable@vger.kernel.org
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[Why]
We incorrectly ack all bytes get written when the reply actually is defer.
When it's defer, means sink is not ready for the request. We should
retry the request.
[How]
Only reply all data get written when receive I2C_ACK|AUX_ACK. Otherwise,
reply the number of actual written bytes received from the sink.
Add some messages to facilitate debugging as well.
Fixes: ad6756b4d773 ("drm/amd/display: Shift dc link aux to aux_payload")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3637e457eb0000bc37d8bbbec95964aad2fb29fd)
Cc: stable@vger.kernel.org
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[Why]
amdgpu_dm_process_dmub_aux_transfer_sync() should return all exact data
reply from the sink side. Don't do the analysis job in it.
[How]
Remove unnecessary check condition AUX_TRANSACTION_REPLY_AUX_ACK.
Fixes: ead08b95fa50 ("drm/amd/display: Fix race condition in DPIA AUX transfer")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 9b540e3fe6796fec4fb1344f3be8952fc2f084d4)
Cc: stable@vger.kernel.org
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[Why & How]
"Request length != reply length" is expected behavior defined in spec.
It's not an invalid reply. Besides, replied data handling logic is not
designed to be written in amdgpu_dm_process_dmub_aux_transfer_sync().
Remove the incorrectly handling section.
Fixes: ead08b95fa50 ("drm/amd/display: Fix race condition in DPIA AUX transfer")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 81b5c6fa62af62fe89ae9576f41aae37830b94cb)
Cc: stable@vger.kernel.org
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[Why & How]
Fix the checking condition for detecting AUX_RET_ERROR_PROTOCOL_ERROR.
It was wrongly checking by "not equals to"
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1db6c9e9b62e1a8912f0a281c941099fca678da3)
Cc: stable@vger.kernel.org
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[Why]
Defined value of dmub AUX reply command field get updated but didn't
adjust dm receiving side accordingly.
[How]
Check the received reply command value to see if it's updated version
or not. Adjust it if necessary.
Fixes: ead08b95fa50 ("drm/amd/display: Fix race condition in DPIA AUX transfer")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit d5c9ade755a9afa210840708a12a8f44c0d532f4)
Cc: stable@vger.kernel.org
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[Why]
Memory allocation occurs within dml21_validate() for adding phantom planes.
May cause kernel to be tainted due to usage of FP Start.
[How]
Move FP start from dml21_validate to before mode programming/mode support.
Calculations requiring floating point are all done within mode programming
or mode support.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Austin Zheng <Austin.Zheng@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit fe3250f10819b411808ab9ae1d824c5fc9b59170)
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[WHY & HOW]
Remove the unnecessary DC_FP_START/DC_FP_END pair to reduce time in
preempt_disable. It also fixes "BUG: sleeping function called from
invalid context" error messages because of calling kzalloc with
GFP_KERNEL which can sleep.
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 94da0735b67b3ada90a3e2e017d306f070306f1d)
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[Why]
FAMS2 expects vmin/vmax to be updated in the case when freesync is
off, but supported. But we only update it when freesync is enabled.
[How]
Change the vsync handler such that dc_stream_adjust_vmin_vmax() its called
irrespective of whether freesync is enabled. If freesync is supported,
then there is no harm in updating vmin/vmax registers.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3546
Reviewed-by: ChiaHsuan Chung <chiahsuan.chung@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit cfb2d41831ee5647a4ae0ea7c24971a92d5dfa0d)
Cc: stable@vger.kernel.org
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[Why]
"BUG: sleeping function called from invalid context" error.
after:
"drm/amd/display: Protect FPU in dml2_validate()/dml21_validate()"
The populate_dml_plane_cfg_from_plane_state() uses the GFP_KERNEL flag
for memory allocation, which shouldn't be used in atomic contexts.
The allocation is needed only for using another helper function
get_scaler_data_for_plane().
[How]
Modify helpers to pass a pointer to scaler_data within existing context,
eliminating the need for dynamic memory allocation/deallocation
and copying.
Fixes: 366e77cd4923 ("drm/amd/display: Protect FPU in dml2_validate()/dml21_validate()")
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit bd3e84bc98f81b44f2c43936bdadc3241d654259)
Cc: stable@vger.kernel.org
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Enable InterTouch mode on Dell Precision M3800 by adding "DLL060d" to
the list of SMBus-enabled variants.
Reported-by: Markus Rathgeb <maggu2810@gmail.com>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Link: https://lore.kernel.org/r/PN3PR01MB959789DD6D574E16141E5DC4B888A@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Enable InterTouch mode on TUXEDO InfinityBook Pro 14 v5 by adding
"SYN1221" to the list of SMBus-enabled variants.
Add support for InterTouch on SYN1221 by adding it to the list of
SMBus-enabled variants.
Reported-by: Matthias Eilert <kernel.hias@eilert.tech>
Tested-by: Matthias Eilert <kernel.hias@eilert.tech>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Link: https://lore.kernel.org/r/PN3PR01MB9597C033C4BC20EE2A0C4543B888A@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Enable InterTouch mode on Dynabook Portege X30L-G by adding "TOS01f6" to
the list of SMBus-enabled variants.
Reported-by: Xuntao Chi <chotaotao1qaz2wsx@gmail.com>
Tested-by: Xuntao Chi <chotaotao1qaz2wsx@gmail.com>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Link: https://lore.kernel.org/r/PN3PR01MB959786E4AC797160CDA93012B888A@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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[ 5.989588] psmouse serio1: synaptics: Your touchpad (PNP: TOS0213 PNP0f03) says it can support a different bus. If i2c-hid and hid-rmi are not used, you might want to try setting psmouse.synaptics_intertouch to 1 and report this to linux-input@vger.kernel.org.
[ 6.039923] psmouse serio1: synaptics: Touchpad model: 1, fw: 9.32, id: 0x1e2a1, caps: 0xf00223/0x840300/0x12e800/0x52d884, board id: 3322, fw id: 2658004
The board is labelled TM3322.
Present on the Toshiba / Dynabook Portege X30-D and possibly others.
Confirmed working well with psmouse.synaptics_intertouch=1 and local build.
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Link: https://lore.kernel.org/r/PN3PR01MB9597711E7933A08389FEC31DB888A@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The kernel reports that the touchpad for this device can support
SMBus mode.
Reported-by: jt <enopatch@gmail.com>
Link: https://lore.kernel.org/r/iys5dbv3ldddsgobfkxldazxyp54kay4bozzmagga6emy45jop@2ebvuxgaui4u
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
|
|
Marek reported seeing a NULL pointer fault in the xenbus_thread
callstack:
BUG: kernel NULL pointer dereference, address: 0000000000000000
RIP: e030:__wake_up_common+0x4c/0x180
Call Trace:
<TASK>
__wake_up_common_lock+0x82/0xd0
process_msg+0x18e/0x2f0
xenbus_thread+0x165/0x1c0
process_msg+0x18e is req->cb(req). req->cb is set to xs_wake_up(), a
thin wrapper around wake_up(), or xenbus_dev_queue_reply(). It seems
like it was xs_wake_up() in this case.
It seems like req may have woken up the xs_wait_for_reply(), which
kfree()ed the req. When xenbus_thread resumes, it faults on the zero-ed
data.
Linux Device Drivers 2nd edition states:
"Normally, a wake_up call can cause an immediate reschedule to happen,
meaning that other processes might run before wake_up returns."
... which would match the behaviour observed.
Change to keeping two krefs on each request. One for the caller, and
one for xenbus_thread. Each will kref_put() when finished, and the last
will free it.
This use of kref matches the description in
Documentation/core-api/kref.rst
Link: https://lore.kernel.org/xen-devel/ZO0WrR5J0xuwDIxW@mail-itl/
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Fixes: fd8aa9095a95 ("xen: optimize xenbus driver for multiple concurrent xenstore accesses")
Cc: stable@vger.kernel.org
Signed-off-by: Jason Andryuk <jason.andryuk@amd.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Message-ID: <20250506210935.5607-1-jason.andryuk@amd.com>
|
|
Make xenbus_init() allow a non-local xenstore for a PVH dom0 - it is
currently forced to XS_LOCAL. With Hyperlaunch booting dom0 and a
xenstore stubdom, dom0 can be handled as a regular XS_HVM following the
late init path.
Ideally we'd drop the use of xen_initial_domain() and just check for the
event channel instead. However, ARM has a xen,enhanced no-xenstore
mode, where the event channel and PFN would both be 0. Retain the
xen_initial_domain() check, and use that for an additional check when
the event channel is 0.
Check the full 64bit HVM_PARAM_STORE_EVTCHN value to catch the off
chance that high bits are set for the 32bit event channel.
Signed-off-by: Jason Andryuk <jason.andryuk@amd.com>
Change-Id: I5506da42e4c6b8e85079fefb2f193c8de17c7437
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Message-ID: <20250506204456.5220-1-jason.andryuk@amd.com>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Some Kconfig dependency fixes"
* tag 'media/v6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: cec: tda9950: add back i2c dependency
media: i2c: lt6911uxe: add two selects to Kconfig
media: platform: synopsys: VIDEO_SYNOPSYS_HDMIRX should depend on ARCH_ROCKCHIP
media: i2c: lt6911uxe: Fix Kconfig dependencies:
media: vivid: fix FB dependency
|
|
Xen swiotlb support was missed when the patch set starting with
4ab5f8ec7d71 ("mm/slab: decouple ARCH_KMALLOC_MINALIGN from
ARCH_DMA_MINALIGN") was merged.
When running Xen on iMX8QXP, a SoC without IOMMU, the effect was that USB
transfers ended up corrupted when there was more than one URB inflight at
the same time.
Add a call to dma_kmalloc_needs_bounce() to make sure that allocations too
small for DMA get bounced via swiotlb.
Closes: https://lore.kernel.org/linux-usb/ab2776f0-b838-4cf6-a12a-c208eb6aad59@actia.se/
Fixes: 4ab5f8ec7d71 ("mm/slab: decouple ARCH_KMALLOC_MINALIGN from ARCH_DMA_MINALIGN")
Cc: stable@kernel.org # v6.5+
Signed-off-by: John Ernberg <john.ernberg@actia.se>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Message-ID: <20250502114043.1968976-2-john.ernberg@actia.se>
|
|
The wlan_ctrl_by_user detection was introduced by commit a50bd128f28c
("asus-wmi: record wlan status while controlled by userapp").
Quoting from that commit's commit message:
"""
When you call WMIMethod(DSTS, 0x00010011) to get WLAN status, it may return
(1) 0x00050001 (On)
(2) 0x00050000 (Off)
(3) 0x00030001 (On)
(4) 0x00030000 (Off)
(5) 0x00000002 (Unknown)
(1), (2) means that the model has hardware GPIO for WLAN, you can call
WMIMethod(DEVS, 0x00010011, 1 or 0) to turn WLAN on/off.
(3), (4) means that the model doesn’t have hardware GPIO, you need to use
API or driver library to turn WLAN on/off, and call
WMIMethod(DEVS, 0x00010012, 1 or 0) to set WLAN LED status.
After you set WLAN LED status, you can see the WLAN status is changed with
WMIMethod(DSTS, 0x00010011). Because the status is recorded lastly
(ex: Windows), you can use it for synchronization.
(5) means that the model doesn’t have WLAN device.
WLAN is the ONLY special case with upper rule.
"""
The wlan_ctrl_by_user flag should be set on 0x0003000? ((3), (4) above)
return values, but the flag mistakenly also gets set on laptops with
0x0005000? ((1), (2)) return values. This is causing rfkill problems on
laptops where 0x0005000? is returned.
Fix the check to only set the wlan_ctrl_by_user flag for 0x0003000?
return values.
Fixes: a50bd128f28c ("asus-wmi: record wlan status while controlled by userapp")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=219786
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20250501131702.103360-2-hdegoede@redhat.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
|
|
(GX4HRXL)
MECHREVO Wujie 14XA (GX4HRXL) wakes up immediately after s2idle entry.
This happens regardless of whether the laptop is plugged into AC power,
or whether any peripheral is plugged into the laptop.
Similar to commit a55bdad5dfd1 ("platform/x86/amd/pmc: Disable keyboard
wakeup on AMD Framework 13"), the MECHREVO Wujie 14XA wakes up almost
instantly after s2idle suspend entry (IRQ1 is the keyboard):
2025-04-18 17:23:57,588 DEBUG: PM: Triggering wakeup from IRQ 9
2025-04-18 17:23:57,588 DEBUG: PM: Triggering wakeup from IRQ 1
Add this model to the spurious_8042 quirk to workaround this.
This patch does not affect the wake-up function of the built-in keyboard.
Because the firmware of this machine adds an insurance for keyboard
wake-up events, as it always triggers an additional IRQ 9 to wake up the
system.
Suggested-by: Mingcong Bai <jeffbai@aosc.io>
Suggested-by: Xinhui Yang <cyan@cyano.uk>
Suggested-by: Rong Zhang <i@rong.moe>
Fixes: a55bdad5dfd1 ("platform/x86/amd/pmc: Disable keyboard wakeup on AMD Framework 13")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4166
Cc: Mario Limonciello <mario.limonciello@amd.com>
Link: https://zhuanldan.zhihu.com/p/730538041
Tested-by: Yemu Lu <prcups@krgm.moe>
Signed-off-by: Runhua He <hua@aosc.io>
Link: https://lore.kernel.org/r/20250507100103.995395-1-hua@aosc.io
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
|
|
Change get_thinkpad_model_data() to check for additional vendor name
"NEC" in order to support NEC Lavie X1475JAS notebook (and perhaps
more).
The reason of this works with minimal changes is because NEC Lavie
X1475JAS is a Thinkpad inside. ACPI dumps reveals its OEM ID to be
"LENOVO", BIOS version "R2PET30W" matches typical Lenovo BIOS version,
the existence of HKEY of LEN0268, with DMI fw string is "R2PHT24W".
I compiled and tested with my own machine, attached the dmesg
below as proof of work:
[ 6.288932] thinkpad_acpi: ThinkPad ACPI Extras v0.26
[ 6.288937] thinkpad_acpi: http://ibm-acpi.sf.net/
[ 6.288938] thinkpad_acpi: ThinkPad BIOS R2PET30W (1.11 ), EC R2PHT24W
[ 6.307000] thinkpad_acpi: radio switch found; radios are enabled
[ 6.307030] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver
[ 6.307033] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
[ 6.320322] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
[ 6.371963] thinkpad_acpi: secondary fan control detected & enabled
[ 6.391922] thinkpad_acpi: battery 1 registered (start 0, stop 85, behaviours: 0x7)
[ 6.398375] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input13
Signed-off-by: John Chau <johnchau@0atlas.com>
Link: https://lore.kernel.org/r/20250504165513.295135-1-johnchau@0atlas.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
|
|
With commit bcb5d6c76903 ("s390/pci: introduce lock to synchronize state
of zpci_dev's") the code to ignore power off of a PF that has child VFs
was changed from a direct return to a goto to the unlock and
pci_dev_put() section. The change however left the existing pci_dev_put()
untouched resulting in a doubple put. This can subsequently cause a use
after free if the struct pci_dev is released in an unexpected state.
Fix this by removing the extra pci_dev_put().
Cc: stable@vger.kernel.org
Fixes: bcb5d6c76903 ("s390/pci: introduce lock to synchronize state of zpci_dev's")
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Reviewed-by: Gerd Bayer <gbayer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
|
|
The original nvme subsystem design didn't have a CONNECTING state; the
state machine allowed transitions from RESETTING to LIVE directly.
With the introduction of nvme fabrics the CONNECTING state was
introduce. Over time the nvme-pci started to use the CONNECTING state as
well.
Eventually, a bug fix for the nvme-fc started to depend that the only
valid transition to LIVE was from CONNECTING. Though this change didn't
update the firmware update handler which was still depending on
RESETTING to LIVE transition.
The simplest way to address it for the time being is to switch into
CONNECTING state before going to LIVE state.
Fixes: d2fe192348f9 ("nvme: only allow entering LIVE from CONNECTING state")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Closes: https://lore.kernel.org/all/0134ea15-8d5f-41f7-9e9a-d7e6d82accaa@roeck-us.net
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
|
|
https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Couple of fixes:
* iwlwifi: add two missing device entries
* cfg80211: fix a potential out-of-bounds access
* mac80211: fix format of TID to link mapping action frames
* tag 'wireless-2025-05-06' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: iwlwifi: add support for Killer on MTL
wifi: mac80211: fix the type of status_code for negotiated TID to Link Mapping
wifi: cfg80211: fix out-of-bounds access during multi-link element defragmentation
====================
Link: https://patch.msgid.link/20250506203506.158818-3-johannes@sipsolutions.net
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 2025-05-06
The first patch is by Antonios Salios and adds a missing
spin_lock_init() to the m_can driver.
The next 3 patches are by me and fix the unregistration order in the
mcp251xfd, rockchip_canfd and m_can driver.
The last patch is by Oliver Hartkopp and fixes RCU and BH
locking/handling in the CAN gw protocol.
* tag 'linux-can-fixes-for-6.15-20250506' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: gw: fix RCU/BH usage in cgw_create_job()
can: mcan: m_can_class_unregister(): fix order of unregistration calls
can: rockchip_canfd: rkcanfd_remove(): fix order of unregistration calls
can: mcp251xfd: mcp251xfd_remove(): fix order of unregistration calls
can: mcp251xfd: fix TDC setting for low data bit rates
can: m_can: m_can_class_allocate_dev(): initialize spin lock on device probe
====================
Link: https://patch.msgid.link/20250506135939.652543-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use Device Serial Number instead of PCI bus/device/function for
the index of struct ice_adapter.
Functions on the same physical device should point to the very same
ice_adapter instance, but with two PFs, when at least one of them is
PCI-e passed-through to a VM, it is no longer the case - PFs will get
seemingly random PCI BDF values, and thus indices, what finally leds to
each of them being on their own instance of ice_adapter. That causes them
to don't attempt any synchronization of the PTP HW clock usage, or any
other future resources.
DSN works nicely in place of the index, as it is "immutable" in terms of
virtualization.
Fixes: 0e2bddf9e5f9 ("ice: add ice_adapter for shared data across PFs on the same NIC")
Suggested-by: Jacob Keller <jacob.e.keller@intel.com>
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Suggested-by: Jiri Pirko <jiri@resnulli.us>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20250505161939.2083581-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Starting with Rust 1.88.0 (expected 2025-06-26) [1], `rustc` may move
back the `uninlined_format_args` to `style` from `pedantic` (it was
there waiting for rust-analyzer suppotr), and thus we will start to see
lints like:
warning: variables can be used directly in the `format!` string
--> rust/macros/kunit.rs:105:37
|
105 | let kunit_wrapper_fn_name = format!("kunit_rust_wrapper_{}", test);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#uninlined_format_args
help: change this to
|
105 - let kunit_wrapper_fn_name = format!("kunit_rust_wrapper_{}", test);
105 + let kunit_wrapper_fn_name = format!("kunit_rust_wrapper_{test}");
There is even a case that is a pure removal:
warning: variables can be used directly in the `format!` string
--> rust/macros/module.rs:51:13
|
51 | format!("{field}={content}\0", field = field, content = content)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#uninlined_format_args
help: change this to
|
51 - format!("{field}={content}\0", field = field, content = content)
51 + format!("{field}={content}\0")
The lints all seem like nice cleanups, thus just apply them.
We may want to disable `allow-mixed-uninlined-format-args` in the future.
Cc: stable@vger.kernel.org # Needed in 6.12.y and later (Rust is pinned in older LTSs).
Link: https://github.com/rust-lang/rust-clippy/pull/14160 [1]
Acked-by: Benno Lossin <lossin@kernel.org>
Reviewed-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20250502140237.1659624-6-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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For now, we need another entry for these devices, this
will be changed completely for 6.16.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219926
Link: https://patch.msgid.link/20250506214258.2efbdc9e9a82.I31915ec252bd1c74bd53b89a0e214e42a74b6f2e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
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The vfio-pci huge_fault handler doesn't make any attempt to insert a
mapping containing the faulting address, it only inserts mappings if the
faulting address and resulting pfn are aligned. This works in a lot of
cases, particularly in conjunction with QEMU where DMA mappings linearly
fault the mmap. However, there are configurations where we don't get
that linear faulting and pages are faulted on-demand.
The scenario reported in the bug below is such a case, where the physical
address width of the CPU is greater than that of the IOMMU, resulting in a
VM where guest firmware has mapped device MMIO beyond the address width of
the IOMMU. In this configuration, the MMIO is faulted on demand and
tracing indicates that occasionally the faults generate a VM_FAULT_OOM.
Given the use case, this results in a "error: kvm run failed Bad address",
killing the VM.
The host is not under memory pressure in this test, therefore it's
suspected that VM_FAULT_OOM is actually the result of a NULL return from
__pte_offset_map_lock() in the get_locked_pte() path from insert_pfn().
This suggests a potential race inserting a pte concurrent to a pmd, and
maybe indicates some deficiency in the mm layer properly handling such a
case.
Nevertheless, Peter noted the inconsistency of vfio-pci's huge_fault
handler where our mapping granularity depends on the alignment of the
faulting address relative to the order rather than aligning the faulting
address to the order to more consistently insert huge mappings. This
change not only uses the page tables more consistently and efficiently, but
as any fault to an aligned page results in the same mapping, the race
condition suspected in the VM_FAULT_OOM is avoided.
Reported-by: Adolfo <adolfotregosa@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220057
Fixes: 09dfc8a5f2ce ("vfio/pci: Fallback huge faults for unaligned pfn")
Cc: stable@vger.kernel.org
Tested-by: Adolfo <adolfotregosa@gmail.com>
Co-developed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20250502224035.3183451-1-alex.williamson@redhat.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mikulas Patocka:
- fix reading past the end of allocated memory
- fix missing dm_put_live_table() in dm_keyslot_evict()
* tag 'for-6.15/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: fix copying after src array boundaries
dm: add missing unlock on in dm_keyslot_evict()
|
|
If a driver is removed, the driver framework invokes the driver's
remove callback. A CAN driver's remove function calls
unregister_candev(), which calls net_device_ops::ndo_stop further down
in the call stack for interfaces which are in the "up" state.
The removal of the module causes a warning, as can_rx_offload_del()
deletes the NAPI, while it is still active, because the interface is
still up.
To fix the warning, first unregister the network interface, which
calls net_device_ops::ndo_stop, which disables the NAPI, and then call
can_rx_offload_del().
Fixes: 1be37d3b0414 ("can: m_can: fix periph RX path: use rx-offload to ensure skbs are sent from softirq context")
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250502-can-rx-offload-del-v1-3-59a9b131589d@pengutronix.de
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
|
|
If a driver is removed, the driver framework invokes the driver's
remove callback. A CAN driver's remove function calls
unregister_candev(), which calls net_device_ops::ndo_stop further down
in the call stack for interfaces which are in the "up" state.
The removal of the module causes a warning, as can_rx_offload_del()
deletes the NAPI, while it is still active, because the interface is
still up.
To fix the warning, first unregister the network interface, which
calls net_device_ops::ndo_stop, which disables the NAPI, and then call
can_rx_offload_del().
Fixes: ff60bfbaf67f ("can: rockchip_canfd: add driver for Rockchip CAN-FD controller")
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250502-can-rx-offload-del-v1-2-59a9b131589d@pengutronix.de
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
|
|
If a driver is removed, the driver framework invokes the driver's
remove callback. A CAN driver's remove function calls
unregister_candev(), which calls net_device_ops::ndo_stop further down
in the call stack for interfaces which are in the "up" state.
With the mcp251xfd driver the removal of the module causes the
following warning:
| WARNING: CPU: 0 PID: 352 at net/core/dev.c:7342 __netif_napi_del_locked+0xc8/0xd8
as can_rx_offload_del() deletes the NAPI, while it is still active,
because the interface is still up.
To fix the warning, first unregister the network interface, which
calls net_device_ops::ndo_stop, which disables the NAPI, and then call
can_rx_offload_del().
Fixes: 55e5b97f003e ("can: mcp25xxfd: add driver for Microchip MCP25xxFD SPI CAN")
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250502-can-rx-offload-del-v1-1-59a9b131589d@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
|
