dmaengine: idxd: cleanup workqueue config after disabling

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After disabling a device, we should clean up the internal state for
the wqs and zero out the configuration registers. Without doing so can cause
issues when the user reprogram the wqs.

Fixes: c52ca47823 ("dmaengine: idxd: add configuration component of driver")
Reported-by: Yixin Zhang <yixin.zhang@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Tested-by: Yixin Zhang <yixin.zhang@intel.com>
Link: https://lore.kernel.org/r/159311264246.1198.11955791213681679428.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Dave Jiang 2020-06-25 12:17:42 -07:00 • committed by Vinod Koul

parent 5b78fac4b1

commit da32b28c95

3 changed files with 31 additions and 0 deletions

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25

drivers/dma/idxd/device.c

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1

drivers/dma/idxd/idxd.h

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5

drivers/dma/idxd/sysfs.c

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