mmc: rockchip_sdhci: Remove unneeded emmc_phy_init

Remove the unneeded emmc_phy_init now that the no-inverter flag is
handled correctly after commit 2321a991bbb5 ("rockchip: sdhci: rk3568:
bypass DLL when clk <= 52 MHz").

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c
index 3fac235..e64c0fd 100644
--- a/drivers/mmc/rockchip_sdhci.c
+++ b/drivers/mmc/rockchip_sdhci.c
@@ -112,7 +112,6 @@
 };
 
 struct sdhci_data {
-	int (*emmc_phy_init)(struct udevice *dev);
 	int (*get_phy)(struct udevice *dev);
 
 	/**
@@ -154,11 +153,6 @@
 	int (*set_enhanced_strobe)(struct sdhci_host *host);
 };
 
-static int rk3399_emmc_phy_init(struct udevice *dev)
-{
-	return 0;
-}
-
 static void rk3399_emmc_phy_power_on(struct rockchip_emmc_phy *phy, u32 clock)
 {
 	u32 caldone, dllrdy, freqsel;
@@ -294,18 +288,6 @@
 	return 0;
 }
 
-static int rk3568_emmc_phy_init(struct udevice *dev)
-{
-	struct rockchip_sdhc *prv = dev_get_priv(dev);
-	struct sdhci_host *host = &prv->host;
-	u32 extra;
-
-	extra = DLL_RXCLK_NO_INVERTER << DWCMSHC_EMMC_DLL_RXCLK_SRCSEL;
-	sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_RXCLK);
-
-	return 0;
-}
-
 static int rk3568_sdhci_emmc_set_clock(struct sdhci_host *host, unsigned int clock)
 {
 	struct rockchip_sdhc *priv = container_of(host, struct rockchip_sdhc, host);
@@ -557,12 +539,6 @@
 			return ret;
 	}
 
-	if (data->emmc_phy_init) {
-		ret = data->emmc_phy_init(dev);
-		if (ret)
-			return ret;
-	}
-
 	host->ops = &rockchip_sdhci_ops;
 	host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD;
 
@@ -605,7 +581,6 @@
 
 static const struct sdhci_data rk3399_data = {
 	.get_phy = rk3399_emmc_get_phy,
-	.emmc_phy_init = rk3399_emmc_phy_init,
 	.set_control_reg = rk3399_sdhci_set_control_reg,
 	.set_ios_post = rk3399_sdhci_set_ios_post,
 	.set_enhanced_strobe = rk3399_sdhci_set_enhanced_strobe,
@@ -613,7 +588,6 @@
 
 static const struct sdhci_data rk3568_data = {
 	.get_phy = rk3568_emmc_get_phy,
-	.emmc_phy_init = rk3568_emmc_phy_init,
 	.set_ios_post = rk3568_sdhci_set_ios_post,
 	.set_enhanced_strobe = rk3568_sdhci_set_enhanced_strobe,
 };