Re: [PATCH v5 5/8] scsi: ufs: Fix ufshcd_hold() caused scheduling while atomic

Stanley Chu
2020-02-04T06:26:51Z

On Mon, 2020-02-03 at 01:17 -0800, Can Guo wrote:
> The async version of ufshcd_hold(async == true), which is only called
> in queuecommand path as for now, is expected to work in atomic context,
> thus it should not sleep or schedule out. When it runs into the condition
> that clocks are ON but link is still in hibern8 state, it should bail out
> without flushing the clock ungate work.
>
> Signed-off-by: Can Guo <cang@codeaurora.org>
> Reviewed-by: Hongwu Su <hongwus@codeaurora.org>
> Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>

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