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

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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>
Bug: 234653003
(cherry picked from commit 52e5035f7b)
Change-Id: I4c9093ed98091f4245b962ee021fd99d8d1d9f27
Signed-off-by: Bart Van Assche <bvanassche@google.com>
This commit is contained in:
Chanho Park
2021-10-18 21:42:11 +09:00
committed by Bart Van Assche
parent efb75f3368
commit 2af54b9ffc
2 changed files with 12 additions and 0 deletions
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10
drivers/scsi/ufs/ufs-exynos.c
View File

@@ -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;
}

2
drivers/scsi/ufs/ufs-exynos.h
View File

@@ -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 {