[PATCH v6 2/6] docs: ABI: Add wb_on documentation for UFS sysfs
From: Bean Huo <hidden>
Date: 2021-01-18 20:17:49
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lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Bean Huo <redacted> Adds UFS sysfs documentation for new entry wb_on. Signed-off-by: Bean Huo <redacted> --- Documentation/ABI/testing/sysfs-driver-ufs | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index adc0d0e91607..f0a1ac385c7f 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs@@ -1153,3 +1153,11 @@ Description: This entry shows the configured size of WriteBooster buffer. 0400h corresponds to 4GB. The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/wb_on +Date: January 2021 +Contact: Bean Huo <beanhuo@micron.com> +Description: This node is used to set or display whether UFS WriteBooster is + enabled. Echo 0 to this file to disable UFS WriteBooster or 1 to enable + it. Note, this is only allowed for the platform doesen't support + UFSHCD_CAP_CLK_SCALING.
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2.17.1