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| author | Chanho Park <chanho61.park@samsung.com> | 2021-10-18 21:42:11 +0900 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-10-27 23:10:11 -0400 |
| commit | 52e5035f7b079be7cc1db3eb06e1fd78d0ec9341 (patch) | |
| tree | a1af3603ae7cd29a03f1b3274e87e625283f8b77 /drivers/scsi/ufs | |
| parent | 3f02cc9ea7bd7dda313543001a4de0bf935d0b1e (diff) | |
| download | linux-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.c | 10 | ||||
| -rw-r--r-- | drivers/scsi/ufs/ufs-exynos.h | 2 |
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 { |