| Age | Commit message (Collapse) | Author |
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On lan966x it is not allowed to have foreign interfaces under a bridge
which already contains lan966x ports. So when a port leaves the bridge
it would call switchdev_bridge_port_unoffload which eventually will
notify the other ports that bridge left the vlan group but that is not
true because the bridge is still part of the vlan group.
Therefore when a port leaves the bridge, stop generating replays because
already the HW cleared after itself and the other ports don't need to do
anything else.
Fixes: cf2f60897e921e ("net: lan966x: Add support to offload the forwarding.")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In case an IGMP frame has a vlan tag, then the function
lan966x_hw_offload couldn't figure out that is a IGMP frame. Therefore
the SW thinks that the frame was already forward by the HW which is not
true.
Extend lan966x_hw_offload to pop the vlan tag if are any and then check
for IGMP frames.
Fixes: 47aeea0d57e80c ("net: lan966x: Implement the callback SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED ")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The clk_per_cfg register represents the value added to the system clock
for each clock cycle. The issue is that the default value is wrong,
meaning that in case the DUT was a grandmaster then everone in the
network was too slow. In case there was a grandmaster, then there is no
issue because the DUT will configure clk_per_cfg register based on the
master frequency.
Fixes: d096459494a887 ("net: lan966x: Add support for ptp clocks")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We set the qedi_ep state to EP_STATE_OFLDCONN_START when the ep is
created. Then in qedi_set_path we kick off the offload work. If userspace
times out the connection and calls ep_disconnect, qedi will only flush the
offload work if the qedi_ep state has transitioned away from
EP_STATE_OFLDCONN_START. If we can't connect we will not have transitioned
state and will leave the offload work running, and we will free the qedi_ep
from under it.
This patch just has us init the work when we create the ep, then always
flush it.
Link: https://lore.kernel.org/r/20220408001314.5014-10-michael.christie@oracle.com
Tested-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
Acked-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If a offload driver doesn't use the xmit workqueue, then when we are doing
ep_disconnect libiscsi can still inject PDUs to the driver. This adds a
check for if the connection is bound before trying to inject PDUs.
Link: https://lore.kernel.org/r/20220408001314.5014-9-michael.christie@oracle.com
Tested-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Move the tx and rx suspend fields into one flags field.
Link: https://lore.kernel.org/r/20220408001314.5014-8-michael.christie@oracle.com
Tested-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If a driver raises a connection error before the connection is bound, we
can leave a cleanup_work queued that can later run and disconnect/stop a
connection that is logged in. The problem is that drivers can call
iscsi_conn_error_event for endpoints that are connected but not yet bound
when something like the network port they are using is brought down.
iscsi_cleanup_conn_work_fn will check for this and exit early, but if the
cleanup_work is stuck behind other works, it might not get run until after
userspace has done ep_disconnect. Because the endpoint is not yet bound
there was no way for ep_disconnect to flush the work.
The bug of leaving stop_conns queued was added in:
Commit 23d6fefbb3f6 ("scsi: iscsi: Fix in-kernel conn failure handling")
and:
Commit 0ab710458da1 ("scsi: iscsi: Perform connection failure entirely in
kernel space")
was supposed to fix it, but left this case.
This patch moves the conn state check to before we even queue the work so
we can avoid queueing.
Link: https://lore.kernel.org/r/20220408001314.5014-7-michael.christie@oracle.com
Fixes: 0ab710458da1 ("scsi: iscsi: Perform connection failure entirely in kernel space")
Tested-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Lee Duncan <lduncan@@suse.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If iscsid is doing a stop_conn at the same time the kernel is starting
error recovery we can hit a race that allows the cleanup work to run on a
valid connection. In the race, iscsi_if_stop_conn sees the cleanup bit set,
but it calls flush_work on the clean_work before iscsi_conn_error_event has
queued it. The flush then returns before the queueing and so the
cleanup_work can run later and disconnect/stop a conn while it's in a
connected state.
The patch:
Commit 0ab710458da1 ("scsi: iscsi: Perform connection failure entirely in
kernel space")
added the late stop_conn call bug originally, and the patch:
Commit 23d6fefbb3f6 ("scsi: iscsi: Fix in-kernel conn failure handling")
attempted to fix it but only fixed the normal EH case and left the above
race for the iscsid restart case. For the normal EH case we don't hit the
race because we only signal userspace to start recovery after we have done
the queueing, so the flush will always catch the queued work or see it
completed.
For iscsid restart cases like boot, we can hit the race because iscsid will
call down to the kernel before the kernel has signaled any error, so both
code paths can be running at the same time. This adds a lock around the
setting of the cleanup bit and queueing so they happen together.
Link: https://lore.kernel.org/r/20220408001314.5014-6-michael.christie@oracle.com
Fixes: 0ab710458da1 ("scsi: iscsi: Perform connection failure entirely in kernel space")
Tested-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This patch fixes a bug where when using iSCSI offload we can free an
endpoint while userspace still thinks it's active. That then causes the
endpoint ID to be reused for a new connection's endpoint while userspace
still thinks the ID is for the original connection. Userspace will then end
up disconnecting a running connection's endpoint or trying to bind to
another connection's endpoint.
This bug is a regression added in:
Commit 23d6fefbb3f6 ("scsi: iscsi: Fix in-kernel conn failure handling")
where we added a in kernel ep_disconnect call to fix a bug in:
Commit 0ab710458da1 ("scsi: iscsi: Perform connection failure entirely in
kernel space")
where we would call stop_conn without having done ep_disconnect. This early
ep_disconnect call will then free the endpoint and it's ID while userspace
still thinks the ID is valid.
Fix the early release of the ID by having the in kernel recovery code keep
a reference to the endpoint until userspace has called into the kernel to
finish cleaning up the endpoint/connection. It requires the previous commit
"scsi: iscsi: Release endpoint ID when its freed" which moved the freeing
of the ID until when the endpoint is released.
Link: https://lore.kernel.org/r/20220408001314.5014-5-michael.christie@oracle.com
Fixes: 23d6fefbb3f6 ("scsi: iscsi: Fix in-kernel conn failure handling")
Tested-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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We can't release the endpoint ID until all references to the endpoint have
been dropped or it could be allocated while in use. This has us use an idr
instead of looping over all conns to find a free ID and then free the ID
when all references have been dropped instead of when the device is only
deleted.
Link: https://lore.kernel.org/r/20220408001314.5014-4-michael.christie@oracle.com
Tested-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
Reviewed-by: Wu Bo <wubo40@huawei.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When userspace restarts during boot or upgrades it won't know about the
offload driver's endpoint and connection mappings. iscsid will start by
cleaning up the old session by doing a stop_conn call. Later, if we are
able to create a new connection, we clean up the old endpoint during the
binding stage. The problem is that if we do stop_conn before doing the
ep_disconnect call offload, drivers can still be executing I/O. We then
might free tasks from the under the card/driver.
This moves the ep_disconnect call to before we do the stop_conn call for
this case. It will then work and look like a normal recovery/cleanup
procedure from the driver's point of view.
Link: https://lore.kernel.org/r/20220408001314.5014-3-michael.christie@oracle.com
Tested-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This patch moves iscsi_ep_disconnect() so it can be called earlier in the
next patch.
Link: https://lore.kernel.org/r/20220408001314.5014-2-michael.christie@oracle.com
Tested-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Executing driver on servers with more than 32 CPUs were faced with command
timeouts. This is because we were not geting completions for commands
submitted on IQ32 - IQ63.
Set E64Q bit to enable upper inbound and outbound queues 32 to 63 in the
MPI main configuration table.
Added 500ms delay after successful MPI initialization as mentioned in
controller datasheet.
Link: https://lore.kernel.org/r/20220411064603.668448-3-Ajish.Koshy@microchip.com
Fixes: 05c6c029a44d ("scsi: pm80xx: Increase number of supported queues")
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Ajish Koshy <Ajish.Koshy@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When upper inbound and outbound queues 32-63 are enabled, we see upper
vectors 32-63 in interrupt service routine. We need corresponding registers
to handle masking and unmasking of these upper interrupts.
To achieve this, we use registers MSGU_ODMR_U(0x34) to mask and
MSGU_ODMR_CLR_U(0x3C) to unmask the interrupts. In these registers bit 0-31
represents interrupt vectors 32-63.
Link: https://lore.kernel.org/r/20220411064603.668448-2-Ajish.Koshy@microchip.com
Fixes: 05c6c029a44d ("scsi: pm80xx: Increase number of supported queues")
Reviewed-by: John Garry <john.garry@huawei.com>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Ajish Koshy <Ajish.Koshy@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revert the patch mentioned in the subject since it blocks I/O after module
unload has started while this is a legitimate use case. For e.g. blktests
test case srp/001 that patch causes a command timeout to be triggered for
the following call stack:
__schedule+0x4c3/0xd20
schedule+0x82/0x110
schedule_timeout+0x122/0x200
io_schedule_timeout+0x7b/0xc0
__wait_for_common+0x2bc/0x380
wait_for_completion_io_timeout+0x1d/0x20
blk_execute_rq+0x1db/0x200
__scsi_execute+0x1fb/0x310
sd_sync_cache+0x155/0x2c0 [sd_mod]
sd_shutdown+0xbb/0x190 [sd_mod]
sd_remove+0x5b/0x80 [sd_mod]
device_remove+0x9a/0xb0
device_release_driver_internal+0x2c5/0x360
device_release_driver+0x12/0x20
bus_remove_device+0x1aa/0x270
device_del+0x2d4/0x640
__scsi_remove_device+0x168/0x1a0
scsi_forget_host+0xa8/0xb0
scsi_remove_host+0x9b/0x150
sdebug_driver_remove+0x3d/0x140 [scsi_debug]
device_remove+0x6f/0xb0
device_release_driver_internal+0x2c5/0x360
device_release_driver+0x12/0x20
bus_remove_device+0x1aa/0x270
device_del+0x2d4/0x640
device_unregister+0x18/0x70
sdebug_do_remove_host+0x138/0x180 [scsi_debug]
scsi_debug_exit+0x45/0xd5 [scsi_debug]
__do_sys_delete_module.constprop.0+0x210/0x320
__x64_sys_delete_module+0x1f/0x30
do_syscall_64+0x35/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Link: https://lore.kernel.org/r/20220409043704.28573-1-bvanassche@acm.org
Fixes: 2aad3cd85370 ("scsi: scsi_debug: Address races following module load")
Cc: Douglas Gilbert <dgilbert@interlog.com>
Cc: Yi Zhang <yi.zhang@redhat.com>
Cc: Bob Pearson <rpearsonhpe@gmail.com>
Reported-by: Yi Zhang <yi.zhang@redhat.com>
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When building with CONFIG_PM=y and CONFIG_PM_SLEEP=n (such as ARCH=riscv
allmodconfig), the following warnings/errors occur:
drivers/gpu/drm/msm/adreno/adreno_device.c:679:12: error: 'adreno_system_resume' defined but not used [-Werror=unused-function]
679 | static int adreno_system_resume(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/msm/adreno/adreno_device.c:655:12: error: 'adreno_system_suspend' defined but not used [-Werror=unused-function]
655 | static int adreno_system_suspend(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
These functions are only used in SET_SYSTEM_SLEEP_PM_OPS(), which
evaluates to empty when CONFIG_PM_SLEEP is not set, making these
functions unused.
To resolve this, use the SYSTEM_SLEEP_PM_OPS() and RUNTIME_PM_OPS()
macros, which were introduced in commit 1a3c7bb08826 ("PM: core: Add new
*_PM_OPS macros, deprecate old ones"). They are designed to avoid these
compiler warnings while still guarding their use on
CONFIG_PM{,_SLEEP}=y.
Fixes: 7e4167c9e021 ("drm/msm/gpu: Park scheduler threads for system suspend")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20220411181249.2758344-1-nathan@kernel.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-04-08
Alexander fixes a use after free issue with aRFS for ice driver.
Mateusz reverts a commit that introduced issues related to device
resets for iavf driver.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
Revert "iavf: Fix deadlock occurrence during resetting VF interface"
ice: arfs: fix use-after-free when freeing @rx_cpu_rmap
====================
Link: https://lore.kernel.org/r/20220408163411.2415552-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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commit 4298388574da ("net: macb: restart tx after tx used bit read")
added support for restarting transmission. Restarting tx does not work
in case controller asserts TXUBR interrupt and TQBP is already at the end
of the tx queue. In that situation, restarting tx will immediately cause
assertion of another TXUBR interrupt. The driver will end up in an infinite
interrupt loop which it cannot break out of.
For cases where TQBP is at the end of the tx queue, instead
only clear TX_USED interrupt. As more data gets pushed to the queue,
transmission will resume.
This issue was observed on a Xilinx Zynq-7000 based board.
During stress test of the network interface,
driver would get stuck on interrupt loop within seconds or minutes
causing CPU to stall.
Signed-off-by: Tomas Melin <tomas.melin@vaisala.com>
Tested-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220407161659.14532-1-tomas.melin@vaisala.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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tusb1210_probe_charger_detect() must be undone by a corresponding
tusb1210_remove_charger_detect() in the error handling path, as already
done in the remove function.
Fixes: 48969a5623ed ("phy: ti: tusb1210: Add charger detection")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/07c4926c42243cedb3b6067a241bb486fdda01b5.1648991162.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The actions of of_find_i2c_device_by_node() in probe function should be
reversed in error paths by putting the reference to obtained device.
Fixes: bcff4cba41bc ("PHY: Exynos: Add Exynos5250 SATA PHY driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20220407091857.230386-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.
Fixes: bcff4cba41bc ("PHY: Exynos: Add Exynos5250 SATA PHY driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220407091857.230386-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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of_parse_phandle() returns node pointer with refcount incremented, use
of_node_put() on it to decrease refcount when done.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Link: https://lore.kernel.org/r/20220408095617.2495234-1-lv.ruyi@zte.com.cn
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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There is possible circular locking dependency detected on event_mutex
(see below logs). This is due to set fail safe mode is done at
dp_panel_read_sink_caps() within event_mutex scope. To break this
possible circular locking, this patch move setting fail safe mode
out of event_mutex scope.
[ 23.958078] ======================================================
[ 23.964430] WARNING: possible circular locking dependency detected
[ 23.970777] 5.17.0-rc2-lockdep-00088-g05241de1f69e #148 Not tainted
[ 23.977219] ------------------------------------------------------
[ 23.983570] DrmThread/1574 is trying to acquire lock:
[ 23.988763] ffffff808423aab0 (&dp->event_mutex){+.+.}-{3:3}, at: msm_dp_displ ay_enable+0x58/0x164
[ 23.997895]
[ 23.997895] but task is already holding lock:
[ 24.003895] ffffff808420b280 (&kms->commit_lock[i]/1){+.+.}-{3:3}, at: lock_c rtcs+0x80/0x8c
[ 24.012495]
[ 24.012495] which lock already depends on the new lock.
[ 24.012495]
[ 24.020886]
[ 24.020886] the existing dependency chain (in reverse order) is:
[ 24.028570]
[ 24.028570] -> #5 (&kms->commit_lock[i]/1){+.+.}-{3:3}:
[ 24.035472] __mutex_lock+0xc8/0x384
[ 24.039695] mutex_lock_nested+0x54/0x74
[ 24.044272] lock_crtcs+0x80/0x8c
[ 24.048222] msm_atomic_commit_tail+0x1e8/0x3d0
[ 24.053413] commit_tail+0x7c/0xfc
[ 24.057452] drm_atomic_helper_commit+0x158/0x15c
[ 24.062826] drm_atomic_commit+0x60/0x74
[ 24.067403] drm_mode_atomic_ioctl+0x6b0/0x908
[ 24.072508] drm_ioctl_kernel+0xe8/0x168
[ 24.077086] drm_ioctl+0x320/0x370
[ 24.081123] drm_compat_ioctl+0x40/0xdc
[ 24.085602] __arm64_compat_sys_ioctl+0xe0/0x150
[ 24.090895] invoke_syscall+0x80/0x114
[ 24.095294] el0_svc_common.constprop.3+0xc4/0xf8
[ 24.100668] do_el0_svc_compat+0x2c/0x54
[ 24.105242] el0_svc_compat+0x4c/0xe4
[ 24.109548] el0t_32_sync_handler+0xc4/0xf4
[ 24.114381] el0t_32_sync+0x178
[ 24.118688]
[ 24.118688] -> #4 (&kms->commit_lock[i]){+.+.}-{3:3}:
[ 24.125408] __mutex_lock+0xc8/0x384
[ 24.129628] mutex_lock_nested+0x54/0x74
[ 24.134204] lock_crtcs+0x80/0x8c
[ 24.138155] msm_atomic_commit_tail+0x1e8/0x3d0
[ 24.143345] commit_tail+0x7c/0xfc
[ 24.147382] drm_atomic_helper_commit+0x158/0x15c
[ 24.152755] drm_atomic_commit+0x60/0x74
[ 24.157323] drm_atomic_helper_set_config+0x68/0x90
[ 24.162869] drm_mode_setcrtc+0x394/0x648
[ 24.167535] drm_ioctl_kernel+0xe8/0x168
[ 24.172102] drm_ioctl+0x320/0x370
[ 24.176135] drm_compat_ioctl+0x40/0xdc
[ 24.180621] __arm64_compat_sys_ioctl+0xe0/0x150
[ 24.185904] invoke_syscall+0x80/0x114
[ 24.190302] el0_svc_common.constprop.3+0xc4/0xf8
[ 24.195673] do_el0_svc_compat+0x2c/0x54
[ 24.200241] el0_svc_compat+0x4c/0xe4
[ 24.204544] el0t_32_sync_handler+0xc4/0xf4
[ 24.209378] el0t_32_sync+0x174/0x178
[ 24.213680] -> #3 (crtc_ww_class_mutex){+.+.}-{3:3}:
[ 24.220308] __ww_mutex_lock.constprop.20+0xe8/0x878
[ 24.225951] ww_mutex_lock+0x60/0xd0
[ 24.230166] modeset_lock+0x190/0x19c
[ 24.234467] drm_modeset_lock+0x34/0x54
[ 24.238953] drmm_mode_config_init+0x550/0x764
[ 24.244065] msm_drm_bind+0x170/0x59c
[ 24.248374] try_to_bring_up_master+0x244/0x294
[ 24.253572] __component_add+0xf4/0x14c
[ 24.258057] component_add+0x2c/0x38
[ 24.262273] dsi_dev_attach+0x2c/0x38
[ 24.266575] dsi_host_attach+0xc4/0x120
[ 24.271060] mipi_dsi_attach+0x34/0x48
[ 24.275456] devm_mipi_dsi_attach+0x28/0x68
[ 24.280298] ti_sn_bridge_probe+0x2b4/0x2dc
[ 24.285137] auxiliary_bus_probe+0x78/0x90
[ 24.289893] really_probe+0x1e4/0x3d8
[ 24.294194] __driver_probe_device+0x14c/0x164
[ 24.299298] driver_probe_device+0x54/0xf8
[ 24.304043] __device_attach_driver+0xb4/0x118
[ 24.309145] bus_for_each_drv+0xb0/0xd4
[ 24.313628] __device_attach+0xcc/0x158
[ 24.318112] device_initial_probe+0x24/0x30
[ 24.322954] bus_probe_device+0x38/0x9c
[ 24.327439] deferred_probe_work_func+0xd4/0xf0
[ 24.332628] process_one_work+0x2f0/0x498
[ 24.337289] process_scheduled_works+0x44/0x48
[ 24.342391] worker_thread+0x1e4/0x26c
[ 24.346788] kthread+0xe4/0xf4
[ 24.350470] ret_from_fork+0x10/0x20
[ 24.354683]
[ 24.354683]
[ 24.354683] -> #2 (crtc_ww_class_acquire){+.+.}-{0:0}:
[ 24.361489] drm_modeset_acquire_init+0xe4/0x138
[ 24.366777] drm_helper_probe_detect_ctx+0x44/0x114
[ 24.372327] check_connector_changed+0xbc/0x198
[ 24.377517] drm_helper_hpd_irq_event+0xcc/0x11c
[ 24.382804] dsi_hpd_worker+0x24/0x30
[ 24.387104] process_one_work+0x2f0/0x498
[ 24.391762] worker_thread+0x1d0/0x26c
[ 24.396158] kthread+0xe4/0xf4
[ 24.399840] ret_from_fork+0x10/0x20
[ 24.404053]
[ 24.404053] -> #1 (&dev->mode_config.mutex){+.+.}-{3:3}:
[ 24.411032] __mutex_lock+0xc8/0x384
[ 24.415247] mutex_lock_nested+0x54/0x74
[ 24.419819] dp_panel_read_sink_caps+0x23c/0x26c
[ 24.425108] dp_display_process_hpd_high+0x34/0xd4
[ 24.430570] dp_display_usbpd_configure_cb+0x30/0x3c
[ 24.436205] hpd_event_thread+0x2ac/0x550
[ 24.440864] kthread+0xe4/0xf4
[ 24.444544] ret_from_fork+0x10/0x20
[ 24.448757]
[ 24.448757] -> #0 (&dp->event_mutex){+.+.}-{3:3}:
[ 24.455116] __lock_acquire+0xe2c/0x10d8
[ 24.459690] lock_acquire+0x1ac/0x2d0
[ 24.463988] __mutex_lock+0xc8/0x384
[ 24.468201] mutex_lock_nested+0x54/0x74
[ 24.472773] msm_dp_display_enable+0x58/0x164
[ 24.477789] dp_bridge_enable+0x24/0x30
[ 24.482273] drm_atomic_bridge_chain_enable+0x78/0x9c
[ 24.488006] drm_atomic_helper_commit_modeset_enables+0x1bc/0x244
[ 24.494801] msm_atomic_commit_tail+0x248/0x3d0
[ 24.499992] commit_tail+0x7c/0xfc
[ 24.504031] drm_atomic_helper_commit+0x158/0x15c
[ 24.509404] drm_atomic_commit+0x60/0x74
[ 24.513976] drm_mode_atomic_ioctl+0x6b0/0x908
[ 24.519079] drm_ioctl_kernel+0xe8/0x168
[ 24.523650] drm_ioctl+0x320/0x370
[ 24.527689] drm_compat_ioctl+0x40/0xdc
[ 24.532175] __arm64_compat_sys_ioctl+0xe0/0x150
[ 24.537463] invoke_syscall+0x80/0x114
[ 24.541861] el0_svc_common.constprop.3+0xc4/0xf8
[ 24.547235] do_el0_svc_compat+0x2c/0x54
[ 24.551806] el0_svc_compat+0x4c/0xe4
[ 24.556106] el0t_32_sync_handler+0xc4/0xf4
[ 24.560948] el0t_32_sync+0x174/0x178
Changes in v2:
-- add circular lockiing trace
Fixes: d4aca422539c ("drm/msm/dp: always add fail-safe mode into connector mode list")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/481396/
Link: https://lore.kernel.org/r/1649451894-554-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
|
|
The member 'msm_dsi->connector' isn't assigned until
msm_dsi_manager_connector_init() returns (see msm_dsi_modeset_init() and
how it assigns the return value). Therefore this pointer is going to be
NULL here. Let's use 'connector' which is what was intended.
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Sean Paul <seanpaul@chromium.org>
Fixes: 6d5e78406991 ("drm/msm/dsi: Move dsi panel init into modeset init path")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/478693/
Link: https://lore.kernel.org/r/20220318000731.2823718-1-swboyd@chromium.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
|
|
Even if some IOMMU has registered itself on the platform "bus", that
doesn't necessarily mean it provides translation for the device we
care about. Replace iommu_present() with a more appropriate check.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Patchwork: https://patchwork.freedesktop.org/patch/480707/
Link: https://lore.kernel.org/r/5ab4f4574d7f3e042261da702d493ee40d003356.1649168268.git.robin.murphy@arm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
|
|
kzalloc() is a memory allocation function which can return NULL when
some internal memory errors happen. So it is better to check it to
prevent potential wrong memory access.
Besides, since mdp5_plane_reset() is void type, so we should better
set `plane-state` to NULL after releasing it.
Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/481055/
Link: https://lore.kernel.org/r/tencent_8E2A1C78140EE1784AB2FF4B2088CC0AB908@qq.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
|
|
The fourth param is size, rather than range_end.
Note that we could increase the address space size if we had a way to
prevent buffers from spanning a 4G split, mostly just to avoid fw bugs
with 64b math.
Fixes: 84c31ee16f90 ("drm/msm/a6xx: Add support for per-instance pagetables")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/20220407202836.1211268-1-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
|
|
If a Root Port on Elo i2 is put into D3cold and then back into D0, the
downstream device becomes permanently inaccessible, so add a bridge D3 DMI
quirk for that system.
This was exposed by 14858dcc3b35 ("PCI: Use pci_update_current_state() in
pci_enable_device_flags()"), but before that commit the Root Port in
question had never been put into D3cold for real due to a mismatch between
its power state retrieved from the PCI_PM_CTRL register (which was
accessible even though the platform firmware indicated that the port was in
D3cold) and the state of an ACPI power resource involved in its power
management.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=215715
Link: https://lore.kernel.org/r/11980172.O9o76ZdvQC@kreacher
Reported-by: Stefan Gottwald <gottwald@igel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org # v5.15+
|
|
Make tusb1210_chg_det_states static, fixing the following sparse warning:
drivers/phy/ti/phy-tusb1210.c:158:12: sparse: sparse:
symbol 'tusb1210_chg_det_states' was not declared. Should it be static?
Fixes: 48969a5623ed ("phy: ti: tusb1210: Add charger detection")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220411135440.558394-1-hdegoede@redhat.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
|
|
of_parse_phandle() returns NULL on errors, rather than error
pointers. Using NULL check on grp_np to fix this.
Fixes: d078cd1b4185 ("dmaengine: imx-sdma: Add imx6sx platform support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220308064952.15743-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
|
|
The bug is here:
__func__, desc, &desc->tx_dma_desc.phys, ret, cookie, residue);
The list iterator 'desc' will point to a bogus position containing
HEAD if the list is empty or no element is found. To avoid dev_dbg()
prints a invalid address, use a new variable 'iter' as the list
iterator, while use the origin variable 'desc' as a dedicated
pointer to point to the found element.
Cc: stable@vger.kernel.org
Fixes: 82e2424635f4c ("dmaengine: xdmac: fix print warning on dma_addr_t variable")
Signed-off-by: Xiaomeng Tong <xiam0nd.tong@gmail.com>
Link: https://lore.kernel.org/r/20220327061154.4867-1-xiam0nd.tong@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
|
|
Both of of_get_parent() and of_parse_phandle() return node pointer with
refcount incremented, use of_node_put() on it to decrease refcount
when done.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Commit b98ce2f4e32b ("dmaengine: imx-sdma: add uart rom script") broke
uart rx on imx5 when using sdma firmware from older Freescale 2.6.35
kernel. In this case reading addr->uartXX_2_mcu_addr was going out of
bounds of the firmware memory and corrupting the uart script addresses.
Simply adding a bounds check before accessing addr->uartXX_2_mcu_addr
does not work as the uartXX_2_mcu_addr members are now beyond the size
of the older firmware and the uart addresses would never be populated
in that case. There are other ways to fix this but overall the logic
seems clearer to me to revert the uartXX_2_mcu_ram_addr structure
entries back to uartXX_2_mcu_addr, change the newer entries to
uartXX_2_mcu_rom_addr and update the logic accordingly.
I have tested this patch on:
1. An i.MX53 system with sdma firmware from Freescale 2.6.35 kernel.
Without this patch uart rx is broken in this scenario, with the
patch uart rx is restored.
2. An i.MX6D system with no external sdma firmware. uart is okay with
or without this patch.
3. An i.MX8MM system using current sdma-imx7d.bin firmware from
linux-firmware. uart is okay with or without this patch and I
confirmed the rom version of the uart script is being used which was
the intention and reason for commit b98ce2f4e32b ("dmaengine:
imx-sdma: add uart rom script") in the first place.
Fixes: b98ce2f4e32b ("dmaengine: imx-sdma: add uart rom script")
Cc: stable@vger.kernel.org
Signed-off-by: Kevin Groeneveld <kgroeneveld@lenbrook.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20220410223118.15086-1-kgroeneveld@lenbrook.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
|
|
When using a fixed-link, the altr_tse_pcs driver crashes
due to null-pointer dereference as no phy_device is provided to
tse_pcs_fix_mac_speed function. Fix this by adding a check for
phy_dev before calling the tse_pcs_fix_mac_speed() function.
Also clean up the tse_pcs_fix_mac_speed function a bit. There is
no need to check for splitter_base and sgmii_adapter_base
because the driver will fail if these 2 variables are not
derived from the device tree.
Fixes: fb3bbdb85989 ("net: ethernet: Add TSE PCS support to dwmac-socfpga")
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
When the T1 phy master/slave state is changed, at the end of config_aneg
function genphy_softreset is called. After the reset all the registers
configured during the config_init are restored to default value.
To avoid this, removed the genphy_softreset call.
v1->v2
------
Added the author in cc
Fixes: 8a1b415d70b7 ("net: phy: added ethtool master-slave configuration support")
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The sparse tool complains as follows:
drivers/bus/imx-weim.c:373:23: warning:
symbol 'weim_of_notifier' was not declared. Should it be static?
This symbol is not used outside of imx-weim.c, so marks it static.
Fixes: e6cb5408289f ("bus: imx-weim: add DT overlay support for WEIM bus")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
|
|
Add support for the following Telit FN980 and FN990 compositions:
0x1057: tty, adb, rmnet, tty, tty, tty, tty, tty
0x1058: tty, adb, tty, tty, tty, tty, tty
0x1075: adb, tty
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Link: https://lore.kernel.org/r/20220406141408.580669-1-dnlplm@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
|
|
The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of 'pixclock',
it may cause divide error.
Fix this by checking whether 'pixclock' is zero in the function
i740fb_check_var().
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:i740fb_decode_var drivers/video/fbdev/i740fb.c:444 [inline]
RIP: 0010:i740fb_set_par+0x272f/0x3bb0 drivers/video/fbdev/i740fb.c:739
Call Trace:
fb_set_var+0x604/0xeb0 drivers/video/fbdev/core/fbmem.c:1036
do_fb_ioctl+0x234/0x670 drivers/video/fbdev/core/fbmem.c:1112
fb_ioctl+0xdd/0x130 drivers/video/fbdev/core/fbmem.c:1191
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
|
|
sparse complains that using memset() on __iomem pointer is wrong:
incorrect type in argument 1 (different address spaces)
Use memset_io() to clear screen instead.
Tested on real i740 cards.
Signed-off-by: Ondrej Zary <linux@zary.sk>
Signed-off-by: Helge Deller <deller@gmx.de>
|
|
The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of 'pixclock',
it may cause divide error.
Fix this by checking whether 'pixclock' is zero in s3fb_check_var().
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:s3fb_check_var+0x3f3/0x530
Call Trace:
<TASK>
fb_set_var+0x367/0xeb0
do_fb_ioctl+0x234/0x670
fb_ioctl+0xdd/0x130
do_syscall_64+0x3b/0x90
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
|
|
The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of 'pixclock',
it may cause divide error.
Fix this by checking whether 'pixclock' is zero.
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:arkfb_set_par+0x10fc/0x24f0
Call Trace:
<TASK>
fb_set_var+0x604/0xeb0
do_fb_ioctl+0x234/0x670
fb_ioctl+0xdd/0x130
do_syscall_64+0x3b/0x90
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
|
|
The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of 'pixclock',
it may cause divide error.
Fix this by checking whether 'pixclock' is zero.
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:tridentfb_check_var+0x853/0xe60
Call Trace:
<TASK>
fb_set_var+0x367/0xeb0
do_fb_ioctl+0x234/0x670
fb_ioctl+0xdd/0x130
do_syscall_64+0x3b/0x90
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
|
|
The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of 'pixclock',
it may cause divide error.
Fix this by checking whether 'pixclock' is zero in the function
vt8623fb_check_var().
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:vt8623fb_set_par+0xecd/0x2210
Call Trace:
<TASK>
fb_set_var+0x604/0xeb0
do_fb_ioctl+0x234/0x670
fb_ioctl+0xdd/0x130
do_syscall_64+0x3b/0x90
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
|
|
The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of 'lineclock',
it may cause divide error.
Fix this by checking whether 'lineclock' is zero.
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:kyrofb_set_par+0x30d/0xd80
Call Trace:
<TASK>
fb_set_var+0x604/0xeb0
do_fb_ioctl+0x234/0x670
fb_ioctl+0xdd/0x130
do_syscall_64+0x3b/0x90
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
|
|
The previous check against 'var->pixclock' doesn't return -EINVAL when
it equals zero, but the driver uses it again, causing the divide error.
Fix this by returning when 'var->pixclock' is zero.
The following log reveals it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:neofb_set_par+0x190f/0x49a0
Call Trace:
<TASK>
fb_set_var+0x604/0xeb0
do_fb_ioctl+0x234/0x670
fb_ioctl+0xdd/0x130
do_syscall_64+0x3b/0x90
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
|
|
The intent of the version check in the mmap ioctl was to maintain
support for existing platforms (i.e., ADL/RPL and earlier), but drop
support on all future igpu platforms. As we've seen on the dgpu side,
the hardware teams are using a more fine-grained numbering system for IP
version numbers these days, so it's possible the version number
associated with our next igpu could be some form of "12.xx" rather than
13 or higher. Comparing against the full ver.release number will ensure
the intent of the check is maintained no matter what numbering the
hardware teams settle on.
Fixes: d3f3baa3562a ("drm/i915: Reinstate the mmap ioctl for some platforms")
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220407161839.1073443-1-matthew.d.roper@intel.com
(cherry picked from commit 8e7e5c077cd57ee9a36d58c65f07257dc49a88d5)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fix from Greg KH:
"This is a single serial driver fix for a build issue that showed up
due to changes that came in through the tty tree in 5.18-rc1 that were
missed previously. It resolves a build error with the mpc52xx_uart
driver.
It has been in linux-next this week with no reported problems"
* tag 'tty-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: mpc52xx_uart: make rx/tx hooks return unsigned, part II.
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fix from Greg KH:
"Here is a single staging driver fix for 5.18-rc2 that resolves an
endian issue for the r8188eu driver. It has been in linux-next all
this week with no reported problems"
* tag 'staging-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: r8188eu: Fix PPPoE tag insertion on little endian systems
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fix from Greg KH:
"A single driver fix. It resolves the build warning issue on 32bit
systems in the habannalabs driver that came in during the 5.18-rc1
merge cycle.
It has been in linux-next for all this week with no reported problems"
* tag 'char-misc-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
habanalabs: Fix test build failures
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of interrupt chip driver fixes:
- A fix for a long standing bug in the ARM GICv3 redistributor
polling which uses the wrong bit number to test.
- Prevent translation of bogus ACPI table entries which map device
interrupts into the IPI space on ARM GICs.
- Don't write into the pending register of ARM GICV4 before the scan
in hardware has completed.
- A set of build and correctness fixes for the Qualcomm MPM driver"
* tag 'irq-urgent-2022-04-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic, gic-v3: Prevent GSI to SGI translations
irqchip/gic-v3: Fix GICR_CTLR.RWP polling
irqchip/gic-v4: Wait for GICR_VPENDBASER.Dirty to clear before descheduling
irqchip/irq-qcom-mpm: fix return value check in qcom_mpm_init()
irq/qcom-mpm: Fix build error without MAILBOX
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