| Message ID | 20201106153615.13033-1-adrian.hunter@intel.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode | expand |
On 6/11/20 5:36 pm, Adrian Hunter wrote: > A patch for DeepSleep is in the scsi queue, but as per mkp: > > I left out the sysfs ABI piece due to the conflicts. > I suggest you send that piece through the doc tree. > > Ergo this patch. > > Link: https://lore.kernel.org/r/yq1imaksb3g.fsf@ca-mkp.ca.oracle.com/ > Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Will anyone apply this? > --- > 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 >
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
A patch for DeepSleep is in the scsi queue, but as per mkp: I left out the sysfs ABI piece due to the conflicts. I suggest you send that piece through the doc tree. Ergo this patch. Link: https://lore.kernel.org/r/yq1imaksb3g.fsf@ca-mkp.ca.oracle.com/ Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- Documentation/ABI/testing/sysfs-driver-ufs | 34 +++++++++++++--------- 1 file changed, 20 insertions(+), 14 deletions(-)