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authorChanho Park <chanho61.park@samsung.com>2021-10-18 21:42:11 +0900
committerMartin K. Petersen <martin.petersen@oracle.com>2021-10-27 23:10:11 -0400
commit52e5035f7b079be7cc1db3eb06e1fd78d0ec9341 (patch)
treea1af3603ae7cd29a03f1b3274e87e625283f8b77 /drivers/scsi/ufs
parent3f02cc9ea7bd7dda313543001a4de0bf935d0b1e (diff)
downloadlinux-52e5035f7b079be7cc1db3eb06e1fd78d0ec9341.tar.bz2
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: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Chanho Park <chanho61.park@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs')
-rw-r--r--drivers/scsi/ufs/ufs-exynos.c10
-rw-r--r--drivers/scsi/ufs/ufs-exynos.h2
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 91988ff24fb2..f7d14cf075c7 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 {