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scsi: docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode

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Update sysfs documentation for addition of DeepSleep power mode.

Link: https://lore.kernel.org/r/20210104155026.16417-1-adrian.hunter@intel.com
Fixes: fe1d4c2ebc ("scsi: ufs: Add DeepSleep feature")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Adrian Hunter
2021-01-04 17:50:26 +02:00
committed by Martin K. Petersen
parent be2553358c
commit 0b2894cd0f
1 changed files with 20 additions and 14 deletions
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34
Documentation/ABI/testing/sysfs-driver-ufs
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@@ -916,21 +916,24 @@ Date: September 2014
Contact: Subhash Jadavani <subhashj@codeaurora.org> Contact: Subhash Jadavani <subhashj@codeaurora.org>
Description: This entry could be used to set or show the UFS device Description: This entry could be used to set or show the UFS device
runtime power management level. The current driver runtime power management level. The current driver
implementation supports 6 levels with next target states: implementation supports 7 levels with next target states:
== ==================================================== == ====================================================
0 an UFS device will stay active, an UIC link will 0 UFS device will stay active, UIC link will
stay active stay active
1 an UFS device will stay active, an UIC link will 1 UFS device will stay active, UIC link will
hibernate hibernate
2 an UFS device will moved to sleep, an UIC link will 2 UFS device will be moved to sleep, UIC link will
stay active stay active
3 an UFS device will moved to sleep, an UIC link will 3 UFS device will be moved to sleep, UIC link will
hibernate hibernate
4 an UFS device will be powered off, an UIC link will 4 UFS device will be powered off, UIC link will
hibernate hibernate
5 an UFS device will be powered off, an UIC link will 5 UFS device will be powered off, UIC link will
be powered off be powered off
6 UFS device will be moved to deep sleep, UIC link
will be powered off. Note, deep sleep might not be
supported in which case this value will not be accepted
== ==================================================== == ====================================================
What: /sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state What: /sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state
@@ -954,21 +957,24 @@ Date: September 2014
Contact: Subhash Jadavani <subhashj@codeaurora.org> Contact: Subhash Jadavani <subhashj@codeaurora.org>
Description: This entry could be used to set or show the UFS device Description: This entry could be used to set or show the UFS device
system power management level. The current driver system power management level. The current driver
implementation supports 6 levels with next target states: implementation supports 7 levels with next target states:
== ==================================================== == ====================================================
0 an UFS device will stay active, an UIC link will 0 UFS device will stay active, UIC link will
stay active stay active
1 an UFS device will stay active, an UIC link will 1 UFS device will stay active, UIC link will
hibernate hibernate
2 an UFS device will moved to sleep, an UIC link will 2 UFS device will be moved to sleep, UIC link will
stay active stay active
3 an UFS device will moved to sleep, an UIC link will 3 UFS device will be moved to sleep, UIC link will
hibernate hibernate
4 an UFS device will be powered off, an UIC link will 4 UFS device will be powered off, UIC link will
hibernate hibernate
5 an UFS device will be powered off, an UIC link will 5 UFS device will be powered off, UIC link will
be powered off be powered off
6 UFS device will be moved to deep sleep, UIC link
will be powered off. Note, deep sleep might not be
supported in which case this value will not be accepted
== ==================================================== == ====================================================
What: /sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state What: /sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state