Re: [PATCH v5 2/8] scsi: ufs: set load before setting voltage in regulators

Stanley Chu
2020-02-04T06:16:14Z

On Mon, 2020-02-03 at 01:17 -0800, Can Guo wrote:
> From: Asutosh Das <asutoshd@codeaurora.org>
>
> This sequence change is required to avoid dips in voltage
> during boot-up.
>
> Apparently, this dip is caused because in the original
> sequence, the regulators are initialized in lpm mode.
> And then when the load is set to high, and more current
> is drawn, than is allowed in lpm, the dip is seen.
>
> Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
> Signed-off-by: Can Guo <cang@codeaurora.org>
> Reviewed-by: Hongwu Su <hongwus@codeaurora.org>

Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>