linux-kernel - Re: [PATCH v6 02/10] scsi: ufs: ufs-qcom: No need to set hs_rate after ufshcd_init_host

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Date:   Wed, 29 Nov 2023 14:48:06 -0600
From:   Andrew Halaney <ahalaney@...hat.com>
To:     Can Guo <quic_cang@...cinc.com>
Cc:     bvanassche@....org, mani@...nel.org, adrian.hunter@...el.com,
        cmd4@...lcomm.com, beanhuo@...ron.com, avri.altman@....com,
        junwoo80.lee@...sung.com, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 02/10] scsi: ufs: ufs-qcom: No need to set hs_rate
 after ufshcd_init_host_param()

On Wed, Nov 29, 2023 at 12:28:27AM -0800, Can Guo wrote:
> In ufs_qcom_pwr_change_notify(), host_params.hs_rate has been set to
> PA_HS_MODE_B by ufshcd_init_host_param(), hence remove the duplicated line
> of work. Meanwhile, removed the macro UFS_QCOM_LIMIT_HS_RATE as it is only
> used here.
> 
> Reviewed-by: Nitin Rawat <quic_nitirawa@...cinc.com>
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> Signed-off-by: Can Guo <quic_cang@...cinc.com>

Reviewed-by: Andrew Halaney <ahalaney@...hat.com>

> ---
>  drivers/ufs/host/ufs-qcom.c | 1 -
>  drivers/ufs/host/ufs-qcom.h | 2 --
>  2 files changed, 3 deletions(-)
> 
> diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
> index 197c5a5..c21ff2c 100644
> --- a/drivers/ufs/host/ufs-qcom.c
> +++ b/drivers/ufs/host/ufs-qcom.c
> @@ -909,7 +909,6 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba,
>  	switch (status) {
>  	case PRE_CHANGE:
>  		ufshcd_init_host_params(&host_params);
> -		host_params.hs_rate = UFS_QCOM_LIMIT_HS_RATE;
>  
>  		/* This driver only supports symmetic gear setting i.e., hs_tx_gear == hs_rx_gear */
>  		host_params.hs_tx_gear = host_params.hs_rx_gear = ufs_qcom_get_hs_gear(hba);
> diff --git a/drivers/ufs/host/ufs-qcom.h b/drivers/ufs/host/ufs-qcom.h
> index 9950a00..82cd143 100644
> --- a/drivers/ufs/host/ufs-qcom.h
> +++ b/drivers/ufs/host/ufs-qcom.h
> @@ -27,8 +27,6 @@
>  #define SLOW 1
>  #define FAST 2
>  
> -#define UFS_QCOM_LIMIT_HS_RATE		PA_HS_MODE_B
> -
>  /* QCOM UFS host controller vendor specific registers */
>  enum {
>  	REG_UFS_SYS1CLK_1US                 = 0xC0,
> -- 
> 2.7.4
> 
>