linux-kernel - RE: [PATCH 1/5] scsi: ufs: Allow UFS 3.0 as a valid version

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Date:   Fri, 24 Apr 2020 17:38:31 +0530
From:   "Alim Akhtar" <alim.akhtar@...sung.com>
To:     "'Jose Abreu'" <Jose.Abreu@...opsys.com>,
        <linux-scsi@...r.kernel.org>
Cc:     "'Joao Pinto'" <Joao.Pinto@...opsys.com>,
        "'Joao Lima'" <Joao.Lima@...opsys.com>,
        "'Avri Altman'" <avri.altman@....com>,
        "'James E.J. Bottomley'" <jejb@...ux.ibm.com>,
        "'Martin K. Petersen'" <martin.petersen@...cle.com>,
        <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 1/5] scsi: ufs: Allow UFS 3.0 as a valid version

Hello Jose,

> -----Original Message-----
> From: Jose Abreu <Jose.Abreu@...opsys.com>
> Sent: 24 April 2020 17:07
> To: linux-scsi@...r.kernel.org
> Cc: Joao Pinto <Joao.Pinto@...opsys.com>; Jose Abreu
> <Jose.Abreu@...opsys.com>; Joao Lima <Joao.Lima@...opsys.com>; Alim
> Akhtar <alim.akhtar@...sung.com>; Avri Altman <avri.altman@....com>;
> James E.J. Bottomley <jejb@...ux.ibm.com>; Martin K. Petersen
> <martin.petersen@...cle.com>; linux-kernel@...r.kernel.org
> Subject: [PATCH 1/5] scsi: ufs: Allow UFS 3.0 as a valid version
> 
> Add a define for UFS version 3.0 and do not print an error message upon
probe
> when using this version.
> 
> Signed-off-by: Joao Lima <Joao.Lima@...opsys.com>
> Signed-off-by: Jose Abreu <Jose.Abreu@...opsys.com>
> 
Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>

> ---
> Cc: Joao Lima <Joao.Lima@...opsys.com>
> Cc: Jose Abreu <Jose.Abreu@...opsys.com>
> Cc: Alim Akhtar <alim.akhtar@...sung.com>
> Cc: Avri Altman <avri.altman@....com>
> Cc: "James E.J. Bottomley" <jejb@...ux.ibm.com>
> Cc: "Martin K. Petersen" <martin.petersen@...cle.com>
> Cc: linux-scsi@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> ---
>  drivers/scsi/ufs/ufshcd.c | 3 ++-
>  drivers/scsi/ufs/ufshci.h | 1 +
>  2 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index
> 7d1fa1349d40..2e5c200e915b 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -8441,7 +8441,8 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem
> *mmio_base, unsigned int irq)
>  	if ((hba->ufs_version != UFSHCI_VERSION_10) &&
>  	    (hba->ufs_version != UFSHCI_VERSION_11) &&
>  	    (hba->ufs_version != UFSHCI_VERSION_20) &&
> -	    (hba->ufs_version != UFSHCI_VERSION_21))
> +	    (hba->ufs_version != UFSHCI_VERSION_21) &&
> +	    (hba->ufs_version != UFSHCI_VERSION_30))
>  		dev_err(hba->dev, "invalid UFS version 0x%x\n",
>  			hba->ufs_version);
> 
> diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h index
> c2961d37cc1c..f2ee81669b00 100644
> --- a/drivers/scsi/ufs/ufshci.h
> +++ b/drivers/scsi/ufs/ufshci.h
> @@ -104,6 +104,7 @@ enum {
>  	UFSHCI_VERSION_11 = 0x00010100, /* 1.1 */
>  	UFSHCI_VERSION_20 = 0x00000200, /* 2.0 */
>  	UFSHCI_VERSION_21 = 0x00000210, /* 2.1 */
> +	UFSHCI_VERSION_30 = 0x00000300, /* 3.0 */
>  };
> 
>  /*
> --
> 2.7.4