linux-kernel - Re: [PATCH] scsi: ufs: Remove unnecessary if condition in ufshcd

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Message-ID: <c241a19195be34886cd754d73bd6d168@codeaurora.org>
Date:   Thu, 26 Nov 2020 10:07:34 +0800
From:   Can Guo <cang@...eaurora.org>
To:     Bean Huo <huobean@...il.com>
Cc:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: ufs: Remove unnecessary if condition in
 ufshcd_suspend()

On 2020-11-26 02:53, Bean Huo wrote:
> From: Bean Huo <beanhuo@...ron.com>
> 
> In the case that auto_bkops_enable is false, which means auto bkops
> has been disabled, so no need to call ufshcd_disable_auto_bkops().
> 
> Signed-off-by: Bean Huo <beanhuo@...ron.com>
> ---
>  drivers/scsi/ufs/ufshcd.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index 80cbce414678..d169db41ee16 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -8543,11 +8543,9 @@ static int ufshcd_suspend(struct ufs_hba *hba,
> enum ufs_pm_op pm_op)
>  	}
> 
>  	if (req_dev_pwr_mode != hba->curr_dev_pwr_mode) {
> -		if ((ufshcd_is_runtime_pm(pm_op) && !hba->auto_bkops_enabled) ||
> -		    !ufshcd_is_runtime_pm(pm_op)) {
> +		if (!ufshcd_is_runtime_pm(pm_op))
>  			/* ensure that bkops is disabled */
>  			ufshcd_disable_auto_bkops(hba);
> -		}
> 
>  		if (!hba->dev_info.b_rpm_dev_flush_capable) {
>  			ret = ufshcd_set_dev_pwr_mode(hba, req_dev_pwr_mode);

Reviewed-by: Can Guo <cang@...eaurora.org>