Re: [PATCH 4/5] scsi/ufs: qcom: Set phy mode based on the controllers HS MODE

Subhash Jadavani
2017-09-26T22:44:16Z

On 2017-08-03 23:48, Vivek Gautam wrote:
> Set the phy mode based on the UFS HS PA mode. This lets the
> controller let phy know the mode in which the PHY Adapter is
> running and set the phy rates accordingly.
>
> Signed-off-by: Vivek Gautam <vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
> ---
> drivers/scsi/ufs/ufs-qcom.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
> index c87d770b519a..44c21d5818ee 100644
> --- a/drivers/scsi/ufs/ufs-qcom.c
> +++ b/drivers/scsi/ufs/ufs-qcom.c
> @@ -273,6 +273,9 @@ static int ufs_qcom_power_up_sequence(struct
> ufs_hba *hba)
> bool is_rate_B = (UFS_QCOM_LIMIT_HS_RATE == PA_HS_MODE_B)
> ? true : false;
>
> + if (is_rate_B)
> + phy_set_mode(phy, PHY_MODE_UFS_HS_B);
> +
> /* Assert PHY reset and apply PHY calibration values */
> ufs_qcom_assert_reset(hba);
> /* provide 1ms delay to let the reset pulse propagate */

Looks good to me.
Reviewed-by: Subhash Jadavani <subhashj-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>

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