linux-kernel - Re: [PATCH v4 5/7] scsi: ufs: wb: Add ufshcd_is_wb_buf_flush

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Date:   Wed, 27 Jul 2022 12:44:01 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     j-young.choi@...sung.com, ALIM AKHTAR <alim.akhtar@...sung.com>,
        "avri.altman@....com" <avri.altman@....com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "adrian.hunter@...el.com" <adrian.hunter@...el.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 5/7] scsi: ufs: wb: Add
 ufshcd_is_wb_buf_flush_allowed()

On 7/27/22 00:10, Jinyoung CHOI wrote:
> diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
> index 94bcfec98fb8..78adc556444a 100644
> --- a/include/ufs/ufshcd.h
> +++ b/include/ufs/ufshcd.h
> @@ -1017,6 +1017,12 @@ static inline bool ufshcd_is_wb_allowed(struct ufs_hba *hba)
>   	return hba->caps & UFSHCD_CAP_WB_EN;
>   }
>   
> +static inline bool ufshcd_is_wb_buf_flush_allowed(struct ufs_hba *hba)
> +{
> +	return ufshcd_is_wb_allowed(hba) &&
> +		!(hba->quirks & UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL);
> +}

Since this function is only used inside the UFS driver core it should be 
added in drivers/ufs/core/ufshcd-priv.h instead of include/ufs/ufshcd.h.

Thanks,

Bart.