linux-kernel - RE: [PATCH 1/2] scsi: ufs: Add Multi-Circular Queue support

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Message-ID: <DM6PR04MB65756C2EF5D9F23B5EC9E3A7FC939@DM6PR04MB6575.namprd04.prod.outlook.com>
Date:   Sat, 23 Jul 2022 20:22:58 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Can Guo <quic_cang@...cinc.com>,
        "bvanassche@....org" <bvanassche@....org>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "adrian.hunter@...el.com" <adrian.hunter@...el.com>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "quic_asutoshd@...cinc.com" <quic_asutoshd@...cinc.com>,
        "quic_nguyenb@...cinc.com" <quic_nguyenb@...cinc.com>,
        "quic_ziqichen@...cinc.com" <quic_ziqichen@...cinc.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "kernel-team@...roid.com" <kernel-team@...roid.com>
CC:     "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Daejun Park <daejun7.park@...sung.com>,
        Jinyoung Choi <j-young.choi@...sung.com>,
        Kiwoong Kim <kwmad.kim@...sung.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 1/2] scsi: ufs: Add Multi-Circular Queue support

> -static void ufshcd_host_memory_configure(struct ufs_hba *hba)
> +static int ufshcd_host_memory_configure(struct ufs_hba *hba)
>  {
>         struct utp_transfer_req_desc *utrdlp;
>         dma_addr_t cmd_desc_dma_addr;
> @@ -3721,6 +3764,9 @@ static void ufshcd_host_memory_configure(struct
> ufs_hba *hba)
>         int cmd_desc_size;
>         int i;
> 
> +       if (is_mcq_enabled(hba))
> +               return ufshcd_mcq_memory_configure(hba);
> +
>         utrdlp = hba->utrdl_base_addr;
> 
>         response_offset =
> @@ -3759,6 +3805,8 @@ static void ufshcd_host_memory_configure(struct
> ufs_hba *hba)
> 
>                 ufshcd_init_lrb(hba, &hba->lrb[i], i);
If is_mcq_enabled, do you still call ufshcd_init_lrb?

Thanks,
Avri

>         }