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Prevent simultaneous controller disabling/enabling tasks from interfering with each other through a function to wait until the task successfully transitioned the controller to the RESETTING state. This ensures disabling the controller will not be interrupted by another reset path, otherwise a concurrent reset may leave the controller in the wrong state. Tested-by: Edmund Nadolski <edmund.nadolski@intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Keith Busch <kbusch@kernel.org> |
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