summaryrefslogtreecommitdiffstats
path: root/Documentation
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/sysfs-driver-ufs46
-rw-r--r--Documentation/scsi/ChangeLog.lpfc2
2 files changed, 47 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index 6b248abb1bd7..228aa43e14ed 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs
@@ -1417,6 +1417,15 @@ Description: This node is used to set or display whether UFS WriteBooster is
platform that doesn't support UFSHCD_CAP_CLK_SCALING, we can
disable/enable WriteBooster through this sysfs node.
+What: /sys/bus/platform/drivers/ufshcd/*/enable_wb_buf_flush
+What: /sys/bus/platform/devices/*.ufs/enable_wb_buf_flush
+Date: July 2022
+Contact: Jinyoung Choi <j-young.choi@samsung.com>
+Description: This entry shows the status of WriteBooster buffer flushing
+ and it can be used to enable or disable the flushing.
+ If flushing is enabled, the device executes the flush
+ operation when the command queue is empty.
+
What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/hpb_version
What: /sys/bus/platform/devices/*.ufs/device_descriptor/hpb_version
Date: June 2021
@@ -1591,6 +1600,43 @@ Description: This entry shows the status of HPB.
The file is read only.
+Contact: Daniil Lunev <dlunev@chromium.org>
+What: /sys/bus/platform/drivers/ufshcd/*/capabilities/
+What: /sys/bus/platform/devices/*.ufs/capabilities/
+Date: August 2022
+Description: The group represents the effective capabilities of the
+ host-device pair. i.e. the capabilities which are enabled in the
+ driver for the specific host controller, supported by the host
+ controller and are supported and/or have compatible
+ configuration on the device side.
+
+Contact: Daniil Lunev <dlunev@chromium.org>
+What: /sys/bus/platform/drivers/ufshcd/*/capabilities/clock_scaling
+What: /sys/bus/platform/devices/*.ufs/capabilities/clock_scaling
+Date: August 2022
+Contact: Daniil Lunev <dlunev@chromium.org>
+Description: Indicates status of clock scaling.
+
+ == ============================
+ 0 Clock scaling is not supported.
+ 1 Clock scaling is supported.
+ == ============================
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/capabilities/write_booster
+What: /sys/bus/platform/devices/*.ufs/capabilities/write_booster
+Date: August 2022
+Contact: Daniil Lunev <dlunev@chromium.org>
+Description: Indicates status of Write Booster.
+
+ == ============================
+ 0 Write Booster can not be enabled.
+ 1 Write Booster can be enabled.
+ == ============================
+
+ The file is read only.
+
What: /sys/class/scsi_device/*/device/hpb_param_sysfs/activation_thld
Date: February 2021
Contact: Avri Altman <avri.altman@wdc.com>
diff --git a/Documentation/scsi/ChangeLog.lpfc b/Documentation/scsi/ChangeLog.lpfc
index 2f6d595f95e1..caedc8571b45 100644
--- a/Documentation/scsi/ChangeLog.lpfc
+++ b/Documentation/scsi/ChangeLog.lpfc
@@ -401,7 +401,7 @@ Changes from 20041213 to 20041220
structure.
* Integrated patch from Christoph Hellwig <hch@lst.de> Kill
compile warnings on 64 bit platforms: %variables for %llx format
- specifiers must be caste to long long because %(u)int64_t can
+ specifiers must be cast to long long because %(u)int64_t can
just be long on 64bit platforms.
* Integrated patch from Christoph Hellwig <hch@lst.de> Removes
dead code.