In case of error, the function devm_ioremap_nocache() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
         */
        if (motg->phy_number) {
                phy_select = devm_ioremap_nocache(&pdev->dev, USB2_PHY_SEL, 4);
-               if (IS_ERR(phy_select))
-                       return PTR_ERR(phy_select);
+               if (!phy_select)
+                       return -ENOMEM;
                /* Enable second PHY with the OTG port */
                writel(0x1, phy_select);
        }