linux-kernel - RE: Re: [PATCH v24 1/4] scsi: ufs: Introduce HPB feature

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Message-ID: <20210226044923epcms2p1fa387ff8d1eaac09a8cce146d63ea205@epcms2p1>
Date:   Fri, 26 Feb 2021 13:49:23 +0900
From:   Daejun Park <daejun7.park@...sung.com>
To:     Bean Huo <huobean@...il.com>,
        Daejun Park <daejun7.park@...sung.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        "avri.altman@....com" <avri.altman@....com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "cang@...eaurora.org" <cang@...eaurora.org>,
        "bvanassche@....org" <bvanassche@....org>,
        ALIM AKHTAR <alim.akhtar@...sung.com>
CC:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        JinHwan Park <jh.i.park@...sung.com>,
        Javier Gonzalez <javier.gonz@...sung.com>,
        SEUNGUK SHIN <seunguk.shin@...sung.com>,
        Sung-Jun Park <sungjun07.park@...sung.com>,
        yongmyung lee <ymhungry.lee@...sung.com>,
        Jinyoung CHOI <j-young.choi@...sung.com>,
        BoRam Shin <boram.shin@...sung.com>
Subject: RE: Re: [PATCH v24 1/4] scsi: ufs: Introduce HPB feature

> > 
> > +void ufshpb_init(struct ufs_hba *hba)
> > +{
> > +        struct ufshpb_dev_info *hpb_dev_info = &hba->ufshpb_dev;
> > +        int try;
> > +        int ret;
> > +
> > +        if (!ufshpb_is_allowed(hba))
> > +                return;
> > +
>  
> Here it is better to check "dev_info->hpb_enable", if HPB is not
> enabled from UFS device level,  doesn't need to create mempool and take
> other memory resource.

I will add checking dev_info->hpb_enable value.
if (!ufshpb_is_allowed(hba) || !dev_info->hpb_enable)

Thanks,
Daejun

> Bean
>  
>  
>  
>  
>  
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