From: Bean Huo <huobean@gmail.com>
To: alim.akhtar@samsung.com, avri.altman@wdc.com,
asutoshd@codeaurora.org, jejb@linux.ibm.com,
martin.petersen@oracle.com, stanley.chu@mediatek.com,
beanhuo@micron.com, bvanassche@acm.org, tomas.winkler@intel.com,
cang@codeaurora.org
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v6 2/6] docs: ABI: Add wb_on documentation for UFS sysfs
Date: Mon, 18 Jan 2021 21:10:35 +0100 [thread overview]
Message-ID: <20210118201039.2398-3-huobean@gmail.com> (raw)
In-Reply-To: <20210118201039.2398-1-huobean@gmail.com>
From: Bean Huo <beanhuo@micron.com>
Adds UFS sysfs documentation for new entry wb_on.
Signed-off-by: Bean Huo <beanhuo@micron.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 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.
--
2.17.1
next prev parent reply other threads:[~2021-01-18 20:13 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 20:10 [PATCH v6 0/6] Several changes for UFS WriteBooster Bean Huo
2021-01-18 20:10 ` [PATCH v6 1/6] scsi: ufs: Add "wb_on" sysfs node to control WB on/off Bean Huo
2021-01-19 7:01 ` Adrian Hunter
2021-01-19 9:33 ` Bean Huo
2021-01-19 10:00 ` Adrian Hunter
2021-01-19 16:31 ` Bean Huo
2021-01-18 20:10 ` Bean Huo [this message]
2021-01-18 20:10 ` [PATCH v6 3/6] scsi: ufs: Changes comment in the function ufshcd_wb_probe() Bean Huo
2021-01-18 20:10 ` [PATCH v6 4/6] scsi: ufs: Remove two WB related fields from struct ufs_dev_info Bean Huo
2021-01-18 20:10 ` [PATCH v6 5/6] scsi: ufs: Group UFS WB related flags to " Bean Huo
2021-01-18 20:10 ` [PATCH v6 6/6] scsi: ufs: Cleanup WB buffer flush toggle implementation Bean Huo
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