Commit 52e5035f authored by Chanho Park's avatar Chanho Park Committed by Martin K. Petersen
Browse files

scsi: ufs: ufs-exynos: Add pre/post_hce_enable drv callbacks 

Add driver-specific pre/post_hce_enable callbacks to execute extra
initializations before and after hce_enable_notify callback.

Link: https://lore.kernel.org/r/20211018124216.153072-11-chanho61.park@samsung.com


Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Kiwoong Kim <kwmad.kim@samsung.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: default avatarAlim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: default avatarChanho Park <chanho61.park@samsung.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 3f02cc9e

drivers/scsi/ufs/ufs-exynos.c

+10 −0
Original line number Diff line number Diff line
@@ -1136,6 +1136,12 @@ static int exynos_ufs_hce_enable_notify(struct ufs_hba *hba, 


	switch (status) {

	case PRE_CHANGE:

		if (ufs->drv_data->pre_hce_enable) {

			ret = ufs->drv_data->pre_hce_enable(ufs);

			if (ret)

				return ret;

		}



		ret = exynos_ufs_host_reset(hba);

		if (ret)

			return ret;
@@ -1145,6 +1151,10 @@ static int exynos_ufs_hce_enable_notify(struct ufs_hba *hba, 
		exynos_ufs_calc_pwm_clk_div(ufs);

		if (!(ufs->opts & EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL))

			exynos_ufs_enable_auto_ctrl_hcc(ufs);



		if (ufs->drv_data->post_hce_enable)

			ret = ufs->drv_data->post_hce_enable(ufs);



		break;

	}

drivers/scsi/ufs/ufs-exynos.h

+2 −0
Original line number Diff line number Diff line
@@ -154,6 +154,8 @@ struct exynos_ufs_drv_data { 
				struct ufs_pa_layer_attr *pwr);

	int (*post_pwr_change)(struct exynos_ufs *ufs,

				struct ufs_pa_layer_attr *pwr);

	int (*pre_hce_enable)(struct exynos_ufs *ufs);

	int (*post_hce_enable)(struct exynos_ufs *ufs);

};



struct ufs_phy_time_cfg {