[PATCH v3 09/11] phy: phy-mtk-tphy: remove unused u3phya_ref clock

[Chunfeng Yun]

The u3phya_ref clock is already moved into sub-node, and
renamed as ref clock, no used anymore now, so remove it,
this can avoid confusion when support new platforms

Signed-off-by: Chunfeng Yun <chunfeng....@mediatek.com>
---
v2~3: no changes
---
 drivers/phy/mediatek/phy-mtk-tphy.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c 
b/drivers/phy/mediatek/phy-mtk-tphy.c
index 96c62e3a3300..c6424fd2a06d 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -312,8 +312,6 @@ struct mtk_phy_instance {
 struct mtk_tphy {
        struct device *dev;
        void __iomem *sif_base; /* only shared sif */
-       /* deprecated, use @ref_clk instead in phy instance */
-       struct clk *u3phya_ref; /* reference clock of usb3 anolog phy */
        const struct mtk_phy_pdata *pdata;
        struct mtk_phy_instance **phys;
        int nphys;
@@ -921,12 +919,6 @@ static int mtk_phy_init(struct phy *phy)
        struct mtk_tphy *tphy = dev_get_drvdata(phy->dev.parent);
        int ret;
 
-       ret = clk_prepare_enable(tphy->u3phya_ref);
-       if (ret) {
-               dev_err(tphy->dev, "failed to enable u3phya_ref\n");
-               return ret;
-       }
-
        ret = clk_prepare_enable(instance->ref_clk);
        if (ret) {
                dev_err(tphy->dev, "failed to enable ref_clk\n");
@@ -992,7 +984,6 @@ static int mtk_phy_exit(struct phy *phy)
                u2_phy_instance_exit(tphy, instance);
 
        clk_disable_unprepare(instance->ref_clk);
-       clk_disable_unprepare(tphy->u3phya_ref);
        return 0;
 }
 
@@ -1127,11 +1118,6 @@ static int mtk_tphy_probe(struct platform_device *pdev)
                }
        }
 
-       /* it's deprecated, make it optional for backward compatibility */
-       tphy->u3phya_ref = devm_clk_get_optional(dev, "u3phya_ref");
-       if (IS_ERR(tphy->u3phya_ref))
-               return PTR_ERR(tphy->u3phya_ref);
-
        tphy->src_ref_clk = U3P_REF_CLK;
        tphy->src_coef = U3P_SLEW_RATE_COEF;
        /* update parameters of slew rate calibrate if exist */
@@ -1178,10 +1164,6 @@ static int mtk_tphy_probe(struct platform_device *pdev)
                phy_set_drvdata(phy, instance);
                port++;
 
-               /* if deprecated clock is provided, ignore instance's one */
-               if (tphy->u3phya_ref)
-                       continue;
-
                instance->ref_clk = devm_clk_get_optional(&phy->dev, "ref");
                if (IS_ERR(instance->ref_clk)) {
                        dev_err(dev, "failed to get ref_clk(id-%d)\n", port);
-- 
2.23.0