Re: [PATCH v6 1/6] scsi: ufs: Add "wb_on" sysfs node to control WB on/off

From: Adrian Hunter
Date: Tue Jan 19 2021 - 02:03:09 EST


On 18/01/21 10:10 pm, Bean Huo wrote:
> From: Bean Huo <beanhuo@xxxxxxxxxx>
>
> 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.

Is it so, that after a full reset, WB is always enabled again? Is that
intended?