diff mbox series

[v4,11/16] scsi: ufs: ufs-exynos: add pre/post_hce_enable drv callbacks

Message ID 20211007080934.108804-12-chanho61.park@samsung.com (mailing list archive)
State Not Applicable
Headers show
Series introduce exynosauto v9 ufs driver | expand

Commit Message

Chanho Park Oct. 7, 2021, 8:09 a.m. UTC 
This patch adds driver-specific pre/post_hce_enable callbacks to execute
extra initializations before and after hce_enable_notify callback.

Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Kiwoong Kim <kwmad.kim@samsung.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
---
 drivers/scsi/ufs/ufs-exynos.c | 10 ++++++++++
 drivers/scsi/ufs/ufs-exynos.h |  2 ++
 2 files changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 2dae90758f8f..ae85942c08ae 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -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;
 	}
 
diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h
index 89955ae226dc..02308faea422 100644
--- a/drivers/scsi/ufs/ufs-exynos.h
+++ b/drivers/scsi/ufs/ufs-exynos.h
@@ -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 {