linux-kernel - Re: [PATCH] scsi: ufs: core: Reset urgent_bkops

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Message-ID: <1d893295d23f59d87ab30e7cd7d2c872fe7c85fb.camel@mediatek.com>
Date: Wed, 11 Feb 2026 13:00:31 +0000
From: Peter Wang (王信友) <peter.wang@...iatek.com>
To: "beanhuo@...ron.com" <beanhuo@...ron.com>, "avri.altman@....com"
	<avri.altman@....com>, "jeuk20.kim@...sung.com" <jeuk20.kim@...sung.com>,
	"quic_nguyenb@...cinc.com" <quic_nguyenb@...cinc.com>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"bvanassche@....org" <bvanassche@....org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "adrian.hunter@...el.com"
	<adrian.hunter@...el.com>, "alim.akhtar@...sung.com"
	<alim.akhtar@...sung.com>, "wone.jung@...sung.com" <wone.jung@...sung.com>,
	"martin.petersen@...cle.com" <martin.petersen@...cle.com>,
	"James.Bottomley@...senPartnership.com"
	<James.Bottomley@...senPartnership.com>, "j-young.choi@...sung.com"
	<j-young.choi@...sung.com>
Subject: Re: [PATCH] scsi: ufs: core: Reset urgent_bkops_lvl to allow runtime
 PM power mode

On Wed, 2026-02-11 at 15:01 +0900, Won Jung wrote:
> diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
> index 604043a7533d..e2d3e834ccba 100644
> --- a/drivers/ufs/core/ufshcd.c
> +++ b/drivers/ufs/core/ufshcd.c
> @@ -5959,6 +5959,7 @@ static int ufshcd_disable_auto_bkops(struct
> ufs_hba *hba)
>  
>  	hba->auto_bkops_enabled = false;
>  	trace_ufshcd_auto_bkops_state(hba, "Disabled");
> +	hba->urgent_bkops_lvl = BKOPS_STATUS_PERF_IMPACT;
>  	hba->is_urgent_bkops_lvl_checked = false;
>  out:
>  	return err;
> @@ -6062,7 +6063,7 @@ static void
> ufshcd_bkops_exception_event_handler(struct ufs_hba *hba)
>  	 * impacted or critical. Handle these device by determining
> their urgent
>  	 * bkops status at runtime.
>  	 */
> -	if (curr_status < BKOPS_STATUS_PERF_IMPACT) {
> +	if ((curr_status > BKOPS_STATUS_NO_OP) && (curr_status <
> BKOPS_STATUS_PERF_IMPACT)) {
>  		dev_err(hba->dev, "%s: device raised urgent BKOPS
> exception for bkops status %d\n",
>  				__func__, curr_status);
>  		/* update the current status as the urgent bkops
> level */

Reviewed-by: Peter Wang <peter.wang@...iatek.com>