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8e834ca551
Currently UFS WriteBooster driver uses clock scaling up/down to set WB on/off. For the platforms which don't support UFSHCD_CAP_CLK_SCALING, WB will be always on. Provide a sysfs attribute to enable/disable WB during runtime. Write 1/0 to "wb_on" sysfs node to enable/disable UFS WB. Link: https://lore.kernel.org/r/20210119163847.20165-2-huobean@gmail.com Reviewed-by: Avri Altman <avri.altman@wdc.com> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.