Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <20230328103801.11198-1-powen.kao@mediatek.com>
In-Reply-To: <20230328103801.11198-1-powen.kao@mediatek.com>
From:   Stanley Chu <chu.stanley@gmail.com>
Date:   Wed, 29 Mar 2023 09:32:03 +0800
Message-ID: <CAGaU9a_dCZA3A_1TP=ijGgXTfiNZffvBe875xXXCKmoN8bQPxA@mail.gmail.com>
Subject: Re: [PATCH 1/2] scsi: ufs: core: Add host quirk UFSHCD_QUIRK_MCQ_BROKEN_INTR
To:     Po-Wen Kao <powen.kao@mediatek.com>
Cc:     linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org,
        Alim Akhtar <alim.akhtar@samsung.com>,
        Avri Altman <avri.altman@wdc.com>,
        Bart Van Assche <bvanassche@acm.org>,
        "James E.J. Bottomley" <jejb@linux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        wsd_upstream@mediatek.com, peter.wang@mediatek.com,
        stanley.chu@mediatek.com, alice.chao@mediatek.com,
        naomi.chu@mediatek.com, chun-hung.wu@mediatek.com,
        cc.chou@mediatek.com, eddie.huang@mediatek.com,
        mason.zhang@mediatek.com, chaotian.jing@mediatek.com,
        jiajie.hao@mediatek.com
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

Hi Po-Wen,

On Tue, Mar 28, 2023 at 6:42=E2=80=AFPM Po-Wen Kao <powen.kao@mediatek.com>=
 wrote:
>
> Quirk UFSHCD_QUIRK_MCQ_BROKEN_INTR is introduced for plaforms that
> implement different interrupt topology from UFSHCI 4.0 spec.
> Some platform raise per hw queue interrupt in addition to
> CQES (traditional) when ESI is disabled.
>
> Enable this quirk will disable CQES and use only per hw queue
> interrupt.
>
> Signed-off-by: Po-Wen Kao <powen.kao@mediatek.com>
> ---
>  drivers/ufs/core/ufshcd.c | 8 ++++++--
>  include/ufs/ufshcd.h      | 7 +++++++
>  2 files changed, 13 insertions(+), 2 deletions(-)

Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>