linux-kernel - RE: [PATCH v2 6/6] ufs: core: Add advanced RPMB support in ufs

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Message-ID: <DM6PR04MB6575811A8A988896E8738DF5FC0D9@DM6PR04MB6575.namprd04.prod.outlook.com>
Date:   Tue, 22 Nov 2022 11:27:30 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Bean Huo <beanhuo@...pp.de>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "bvanassche@....org" <bvanassche@....org>,
        "tomas.winkler@...el.com" <tomas.winkler@...el.com>,
        "daejun7.park@...sung.com" <daejun7.park@...sung.com>,
        "quic_cang@...cinc.com" <quic_cang@...cinc.com>,
        "quic_nguyenb@...cinc.com" <quic_nguyenb@...cinc.com>,
        "quic_xiaosenh@...cinc.com" <quic_xiaosenh@...cinc.com>,
        "quic_richardp@...cinc.com" <quic_richardp@...cinc.com>,
        "quic_asutoshd@...cinc.com" <quic_asutoshd@...cinc.com>,
        "hare@...e.de" <hare@...e.de>
CC:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 6/6] ufs: core: Add advanced RPMB support in ufs_bsg

> 
> > +               sg_cnt = dma_map_sg(hba->host->dma_dev, payload->sg_list,
> > payload->sg_cnt, dir);
> > +               if (unlikely(!sg_cnt))
> > +                       return -ENOMEM;
> > +               sg_list = payload->sg_list;
> > +               data_len = payload->payload_len;
> > +       }
> Isn't bsg_map_buffer does that for you already?
> For both request & reply?
Answering my own question - no it doesn't...

Thanks,
Avri

> 
> Thanks,
> Avri