phy: zynqmp: Simplify code by using dev_err_probe()

Use already prepared dev_err_probe() introduced by commit a787e5400a1c
("driver core: add device probe log helper").
It simplifies EPROBE_DEFER handling.

Signed-off-by: Michal Simek <[e-mail]>
Link: https://lore.kernel.org/r/0df3[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/phy/xilinx/phy-zynqmp.c

···
 
 		snprintf(name, sizeof(name), "ref%u", refclk);
 		clk = devm_clk_get_optional(gtr_dev->dev, name);
-		if (IS_ERR(clk)) {
-			if (PTR_ERR(clk) != -EPROBE_DEFER)
-				dev_err(gtr_dev->dev,
-					"Failed to get reference clock %u: %ld\n",
-					refclk, PTR_ERR(clk));
-			return PTR_ERR(clk);
-		}
+		if (IS_ERR(clk))
+			return dev_err_probe(gtr_dev->dev, PTR_ERR(clk),
+					     "Failed to get reference clock %u\n",
+					     refclk);
 
 		if (!clk)
 			continue;