* [PATCH V2] docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode
@ 2021-01-04 15:50 Adrian Hunter
2021-01-08 4:19 ` Martin K. Petersen
0 siblings, 1 reply; 2+ messages in thread
From: Adrian Hunter @ 2021-01-04 15:50 UTC (permalink / raw)
To: Martin K . Petersen, James E . J . Bottomley
Cc: linux-scsi, linux-kernel, Alim Akhtar, Avri Altman, Bean Huo,
Can Guo, Stanley Chu
Update sysfs documentation for addition of DeepSleep power mode.
Fixes: fe1d4c2ebcae ("scsi: ufs: Add DeepSleep feature")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
Changes in V2:
Amended commit messages and added Fixes tag, since DeepSleep
is now in v5.11-rc1
Documentation/ABI/testing/sysfs-driver-ufs | 34 +++++++++++++---------
1 file changed, 20 insertions(+), 14 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index adc0d0e91607..e77fa784d6d8 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs
@@ -916,21 +916,24 @@ Date: September 2014
Contact: Subhash Jadavani <subhashj@codeaurora.org>
Description: This entry could be used to set or show the UFS device
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
- 1 an UFS device will stay active, an UIC link will
+ 1 UFS device will stay active, UIC link will
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
- 3 an UFS device will moved to sleep, an UIC link will
+ 3 UFS device will be moved to sleep, UIC link will
hibernate
- 4 an UFS device will be powered off, an UIC link will
+ 4 UFS device will be powered off, UIC link will
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
+ 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
@@ -954,21 +957,24 @@ Date: September 2014
Contact: Subhash Jadavani <subhashj@codeaurora.org>
Description: This entry could be used to set or show the UFS device
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
- 1 an UFS device will stay active, an UIC link will
+ 1 UFS device will stay active, UIC link will
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
- 3 an UFS device will moved to sleep, an UIC link will
+ 3 UFS device will be moved to sleep, UIC link will
hibernate
- 4 an UFS device will be powered off, an UIC link will
+ 4 UFS device will be powered off, UIC link will
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
+ 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
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH V2] docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode
2021-01-04 15:50 [PATCH V2] docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode Adrian Hunter
@ 2021-01-08 4:19 ` Martin K. Petersen
0 siblings, 0 replies; 2+ messages in thread
From: Martin K. Petersen @ 2021-01-08 4:19 UTC (permalink / raw)
To: Adrian Hunter, James E . J . Bottomley
Cc: Martin K . Petersen, Bean Huo, linux-kernel, linux-scsi, Can Guo,
Stanley Chu, Avri Altman, Alim Akhtar
On Mon, 4 Jan 2021 17:50:26 +0200, Adrian Hunter wrote:
> Update sysfs documentation for addition of DeepSleep power mode.
Applied to 5.11/scsi-fixes, thanks!
[1/1] docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode
https://git.kernel.org/mkp/scsi/c/0b2894cd0fdf
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-01-08 4:20 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-01-04 15:50 [PATCH V2] docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode Adrian Hunter
2021-01-08 4:19 ` Martin K. Petersen
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).