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-rw-r--r--Documentation/ABI/testing/sysfs-driver-ufs36
1 files changed, 22 insertions, 14 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index adc0d0e91607..75ccc5c62b3c 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs
@@ -916,21 +916,25 @@ 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 +958,25 @@ 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