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由 Aaron Lu 提交于
Migrate sr to make use of block layer runtime PM. Accordingly, the SCSI bus layer runtime PM callback is simplified as all SCSI drivers implementing runtime PM now use the block layer's request-based mechanism. Note that due to the device will be polled by kernel at a constant interval, if the autosuspend delay is set longer than the polling interval then the device will never suspend. Signed-off-by: NAaron Lu <aaron.lu@intel.com> Acked-by: NAlan Stern <stern@rowland.harvard.edu> Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>
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