Re: [PATCH v3 7/9] scsi: ufs: Let host_sem cover the entire system suspend/resume

[Can Guo]

On 2021-06-12 05:00, Bart Van Assche wrote:
> On 6/9/21 9:43 PM, Can Guo wrote:
> > UFS error handling now is doing more than just re-probing, but also 
> > sending
> > scsi cmds, e.g., for clearing UACs, and recovering runtime PM error, 
> > which
> > may change runtime status of scsi devices. To protect system 
> > suspend/resume
> > from being disturbed by error handling, move the host_sem from wl pm 
> > ops
> > to ufshcd_suspend_prepare() and ufshcd_resume_complete().
>
> If lock_system_sleep() and unlock_system_sleep() would be used in the
> error handler, would that allow to remove host_sem?

Please kindly check my reply in patch #5.

Thanks,

Can Guo.

> Thanks,
>
> Bart.