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dmaengine: idxd: cleanup workqueue config after disabling
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: c52ca47 ("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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