RE: [PATCH v2 1/3] scsi: ufs: Add "wb_on" sysfs node to control WB on/off

[Avri Altman]

> 
> From: Bean Huo <bean...@micron.com>
> 
> Currently UFS WriteBooster driver uses clock scaling up/down to set
> WB on/off, for the platform which doesn'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.
> 
> Signed-off-by: Bean Huo <bean...@micron.com>
Reviewed-by: Avri Altman <avri.alt...@wdc.com>