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Date: Wed, 16 Dec 2020 00:05:14 +0100 From: Bean Huo <huobean@...il.com> To: alim.akhtar@...sung.com, avri.altman@....com, asutoshd@...eaurora.org, jejb@...ux.ibm.com, martin.petersen@...cle.com, stanley.chu@...iatek.com, beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com, cang@...eaurora.org Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v5 2/7] docs: ABI: Add wb_on documentation for UFS sysfs From: Bean Huo <beanhuo@...ron.com> Adds UFS sysfs documentation for new entry wb_on. Signed-off-by: Bean Huo <beanhuo@...ron.com> --- 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 d1a352194d2e..5a70d541b2f2 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -1019,3 +1019,11 @@ Contact: Asutosh Das <asutoshd@...eaurora.org> 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: December 2020 +Contact: Bean Huo <beanhuo@...ron.com> +Description: This sets or displays whether UFS WriteBooster is enabled. Echo + 0 into 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. -- 2.17.1
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