[PATCH v2 1/2] scsi: ufs: Re-enable WriteBooster after device reset

Bean Huo huobean at gmail.com
Tue Dec 8 09:13:43 EST 2020


On Tue, 2020-12-08 at 21:56 +0800, Stanley Chu wrote:
> index 08c8a591e6b0..36d367eb8139 100644
> --- a/drivers/scsi/ufs/ufshcd.h
> +++ b/drivers/scsi/ufs/ufshcd.h
> @@ -1221,8 +1221,13 @@ static inline void
> ufshcd_vops_device_reset(struct ufs_hba *hba)
>         if (hba->vops && hba->vops->device_reset) {
>                 int err = hba->vops->device_reset(hba);
>  
> -               if (!err)
> +               if (!err) {
>                         ufshcd_set_ufs_dev_active(hba);
> +                       if (ufshcd_is_wb_allowed(hba)) {
> +                               hba->wb_enabled = false;
> +                               hba->wb_buf_flush_enabled = false;
> +                       }
> +               }

Stanley,
how do you think group wb_buf_flush_enabled and wb_enabled to the
dev_info, since they are UFS device attributes. means they are set only
when UFS device flags being set.

Reviewed-by: Bean Huo <beanhuo at micron.com>




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