diff options
author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2021-08-17 12:19:44 +0300 |
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committer | Vinod Koul <vkoul@kernel.org> | 2021-08-17 13:21:59 +0300 |
commit | 5f71b1e4f719e3c2312f20a76ee039ae209e72da (patch) | |
tree | 08d371f54effc13bf115eaac5af1ff60805fb511 /drivers/phy | |
parent | 1c6de3fc53ca14d3266d219e2ee62b8e5b1e2a6f (diff) | |
download | linux-5f71b1e4f719e3c2312f20a76ee039ae209e72da.tar.xz |
phy: phy-mtk-ufs: use clock bulk to get clocks
Use clock bulk helpers to get/enable/disable clocks
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629191987-20774-6-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/phy')
-rw-r--r-- | drivers/phy/mediatek/phy-mtk-ufs.c | 44 |
1 files changed, 11 insertions, 33 deletions
diff --git a/drivers/phy/mediatek/phy-mtk-ufs.c b/drivers/phy/mediatek/phy-mtk-ufs.c index 769b00b038d8..a6af06941203 100644 --- a/drivers/phy/mediatek/phy-mtk-ufs.c +++ b/drivers/phy/mediatek/phy-mtk-ufs.c @@ -31,11 +31,12 @@ #define FRC_CDR_ISO_EN BIT(19) #define CDR_ISO_EN BIT(20) +#define UFSPHY_CLKS_CNT 2 + struct ufs_mtk_phy { struct device *dev; void __iomem *mmio; - struct clk *mp_clk; - struct clk *unipro_clk; + struct clk_bulk_data clks[UFSPHY_CLKS_CNT]; }; static inline u32 mphy_readl(struct ufs_mtk_phy *phy, u32 reg) @@ -74,20 +75,11 @@ static struct ufs_mtk_phy *get_ufs_mtk_phy(struct phy *generic_phy) static int ufs_mtk_phy_clk_init(struct ufs_mtk_phy *phy) { struct device *dev = phy->dev; + struct clk_bulk_data *clks = phy->clks; - phy->unipro_clk = devm_clk_get(dev, "unipro"); - if (IS_ERR(phy->unipro_clk)) { - dev_err(dev, "failed to get clock: unipro"); - return PTR_ERR(phy->unipro_clk); - } - - phy->mp_clk = devm_clk_get(dev, "mp"); - if (IS_ERR(phy->mp_clk)) { - dev_err(dev, "failed to get clock: mp"); - return PTR_ERR(phy->mp_clk); - } - - return 0; + clks[0].id = "unipro"; + clks[1].id = "mp"; + return devm_clk_bulk_get(dev, UFSPHY_CLKS_CNT, clks); } static void ufs_mtk_phy_set_active(struct ufs_mtk_phy *phy) @@ -150,26 +142,13 @@ static int ufs_mtk_phy_power_on(struct phy *generic_phy) struct ufs_mtk_phy *phy = get_ufs_mtk_phy(generic_phy); int ret; - ret = clk_prepare_enable(phy->unipro_clk); - if (ret) { - dev_err(phy->dev, "unipro_clk enable failed %d\n", ret); - goto out; - } - - ret = clk_prepare_enable(phy->mp_clk); - if (ret) { - dev_err(phy->dev, "mp_clk enable failed %d\n", ret); - goto out_unprepare_unipro_clk; - } + ret = clk_bulk_prepare_enable(UFSPHY_CLKS_CNT, phy->clks); + if (ret) + return ret; ufs_mtk_phy_set_active(phy); return 0; - -out_unprepare_unipro_clk: - clk_disable_unprepare(phy->unipro_clk); -out: - return ret; } static int ufs_mtk_phy_power_off(struct phy *generic_phy) @@ -178,8 +157,7 @@ static int ufs_mtk_phy_power_off(struct phy *generic_phy) ufs_mtk_phy_set_deep_hibern(phy); - clk_disable_unprepare(phy->unipro_clk); - clk_disable_unprepare(phy->mp_clk); + clk_bulk_disable_unprepare(UFSPHY_CLKS_CNT, phy->clks); return 0; } |