phy: rockchip-samsung-dcphy: Add missing assignment

The "ret = " was accidentally dropped so the error handling doesn't work.

Fixes: b2a1a2a ("phy: rockchip: Add Samsung MIPI D-/C-PHY driver")
Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Heiko Stuebner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: Dan Carpenter

drivers/phy/rockchip/phy-rockchip-samsung-dcphy.c

@@ -1653,7 +1653,7 @@ static __maybe_unused int samsung_mipi_dcphy_runtime_resume(struct device *dev)
 		return ret;
 	}
 
-	clk_prepare_enable(samsung->ref_clk);
+	ret = clk_prepare_enable(samsung->ref_clk);
 	if (ret) {
 		dev_err(samsung->dev, "Failed to enable reference clock, %d\n", ret);
 		clk_disable_unprepare(samsung->pclk);