phy: omap-usb2-phy: Use dev_err_probe()

Replace the open-code with dev_err_probe() to simplify the code.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/202303231545522162256@zte.com.cnSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/ti/phy-omap-usb2.c

@@ -445,11 +445,9 @@ static int omap_usb2_probe(struct platform_device *pdev)
 			 PTR_ERR(phy->wkupclk));
 		phy->wkupclk = devm_clk_get(phy->dev, "usb_phy_cm_clk32k");
 
-		if (IS_ERR(phy->wkupclk)) {
-			if (PTR_ERR(phy->wkupclk) != -EPROBE_DEFER)
-				dev_err(&pdev->dev, "unable to get usb_phy_cm_clk32k\n");
-			return PTR_ERR(phy->wkupclk);
-		}
+		if (IS_ERR(phy->wkupclk))
+			return dev_err_probe(&pdev->dev, PTR_ERR(phy->wkupclk),
+					     "unable to get usb_phy_cm_clk32k\n");
 
 		dev_warn(&pdev->dev,
 			 "found usb_phy_cm_clk32k, please fix DTS\n");