linux-stable/drivers/dma/ioat
Dave Jiang fad8b6b567 dmaengine: ioat: stop mod_timer from resurrecting deleted timer in __cleanup()
[ Upstream commit 898ec89dbb ]

User reports observing timer event report channel halted but no error
observed in CHANERR register. The driver finished self-test and released
channel resources. Debug shows that __cleanup() can call
mod_timer() after the timer has been deleted and thus resurrect the
timer. While harmless, it causes suprious error message to be emitted.
Use mod_timer_pending() call to prevent deleted timer from being
resurrected.

Fixes: 3372de5813 ("dmaengine: ioatdma: removal of dma_v3.c and relevant ioat3 references")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/166360672197.3851724.17040290563764838369.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-10-21 12:38:53 +02:00
..
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
dca.c dmaengine: ioatdma: remove unused function missed during dma_v2 removal 2020-11-16 22:42:28 +05:30
dma.c dmaengine: ioat: stop mod_timer from resurrecting deleted timer in __cleanup() 2022-10-21 12:38:53 +02:00
dma.h dmaengine: ioat: convert tasklets to use new tasklet_setup() API 2020-09-18 12:19:06 +05:30
hw.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 7 2019-05-21 11:28:40 +02:00
init.c dmaengine: iot: Remove useless DMA-32 fallback configuration 2022-02-15 11:04:06 +05:30
prep.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 291 2019-06-05 17:36:38 +02:00
registers.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 7 2019-05-21 11:28:40 +02:00
sysfs.c dmaengine: ioatdma: use default_groups in kobj_type 2022-01-05 13:11:08 +05:30