linux-kernel - Re: [PATCH v1 01/16] ufs: core: Probe for ext

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Message-ID: <20221004220913.GC25671@asutoshd-linux1.qualcomm.com>
Date:   Tue, 4 Oct 2022 15:09:14 -0700
From:   Asutosh Das <quic_asutoshd@...cinc.com>
To:     Bart Van Assche <bvanassche@....org>
CC:     <mani@...nel.org>, <quic_nguyenb@...cinc.com>,
        <quic_xiaosenh@...cinc.com>, <quic_cang@...cinc.com>,
        <quic_nitirawa@...cinc.com>, <quic_rampraka@...cinc.com>,
        <quic_richardp@...cinc.com>, <stanley.chu@...iatek.com>,
        <adrian.hunter@...el.com>, <avri.altman@....com>,
        <beanhuo@...ron.com>, <martin.petersen@...cle.com>,
        <linux-scsi@...r.kernel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Jinyoung Choi <j-young.choi@...sung.com>,
        Kiwoong Kim <kwmad.kim@...sung.com>,
        open list <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v1 01/16] ufs: core: Probe for ext_iid support

On Fri, Sep 30 2022 at 11:23 -0700, Bart Van Assche wrote:
>On 9/22/22 18:05, Asutosh Das wrote:
>>+	hba->mcq_capabilities = ufshcd_readl(hba, REG_MCQCAP);
>
>What value is reported when reading the REG_MCQCAP register on an 
>UFSHCI 3.0 controller? -1 or 0?
>
It reads 0.