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scsi: ufs: ufs-exynos: Add EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR option 

To skip exynos_ufs_config_phy_*_attr settings for exynos-ufs variant,
provide EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR as an opts flag.

For the ExynosAuto v9 SoC's controller, M-Phy timing setting is not
required and most of vendor-specific configuration will be performed in the
pre_link callback function.

Link: https://lore.kernel.org/r/20211018124216.153072-9-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>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Chanho Park 2021-10-18 21:42:09 +09:00 committed by Martin K. Petersen
parent 533b81d674
commit a271885ac6
2 changed files with 5 additions and 2 deletions
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6
drivers/scsi/ufs/ufs-exynos.c
View File

@ -830,8 +830,10 @@ static int exynos_ufs_pre_link(struct ufs_hba *hba)
/* m-phy */
exynos_ufs_phy_init(ufs);
exynos_ufs_config_phy_time_attr(ufs);
exynos_ufs_config_phy_cap_attr(ufs);
if (!(ufs->opts & EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR)) {
exynos_ufs_config_phy_time_attr(ufs);
exynos_ufs_config_phy_cap_attr(ufs);
}
exynos_ufs_setup_clocks(hba, true, PRE_CHANGE);

1
drivers/scsi/ufs/ufs-exynos.h
View File

@ -199,6 +199,7 @@ struct exynos_ufs {
#define EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL BIT(2)
#define EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX BIT(3)
#define EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER BIT(4)
#define EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR BIT(5)
};
#define for_each_ufs_rx_lane(ufs, i) \