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Date:   Tue, 14 Jul 2020 12:11:53 +0800
From:   Can Guo <cang@codeaurora.org>
To:     Bart Van Assche <bvanassche@acm.org>
Cc:     asutoshd@codeaurora.org, nguyenb@codeaurora.org,
        hongwus@codeaurora.org, rnayak@codeaurora.org,
        linux-scsi@vger.kernel.org, kernel-team@android.com,
        saravanak@google.com, salyzyn@google.com,
        Alim Akhtar <alim.akhtar@samsung.com>,
        Avri Altman <avri.altman@wdc.com>,
        "James E.J. Bottomley" <jejb@linux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        Stanley Chu <stanley.chu@mediatek.com>,
        Bean Huo <beanhuo@micron.com>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 1/4] scsi: ufs: Add checks before setting clk-gating
 states
In-Reply-To: <31ef233b-2562-2f61-d899-587092b5c033@acm.org>
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Hi Bart,

On 2020-07-14 11:38, Bart Van Assche wrote:
> On 2020-07-13 19:28, Can Guo wrote:
>> @@ -2538,7 +2540,8 @@ static int ufshcd_queuecommand(struct Scsi_Host 
>> *host, struct scsi_cmnd *cmd)
>>  		err = SCSI_MLQUEUE_HOST_BUSY;
>>  		goto out;
>>  	}
>> -	WARN_ON(hba->clk_gating.state != CLKS_ON);
>> +	if (ufshcd_is_clkgating_allowed(hba))
>> +		WARN_ON(hba->clk_gating.state != CLKS_ON);
> 
> A minor comment: has it been considered to change this into the
> following?
> 
> 	WARN_ON(ufshcd_is_clkgating_allowed(hba) &&
> 		hba->clk_gating.state != CLKS_ON);
> 
> Thanks,
> 
> Bart.

Sure, will do that.

Thanks,

Can Guo.