diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index 25c8c10..9ea2d46 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -172,13 +172,14 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
        }
        clk_enable(priv->usbclk);

-       if (!cpu_is_mx35() && !cpu_is_mx25()) {
-               priv->ahbclk = clk_get(dev, "usb_ahb");
-               if (IS_ERR(priv->ahbclk)) {
-                       ret = PTR_ERR(priv->ahbclk);
-                       goto err_clk_ahb;
-               }
+       priv->ahbclk = clk_get(dev, "usb_ahb");
+       if (!IS_ERR(priv->ahbclk))
                clk_enable(priv->ahbclk);
+       else if (priv->ahbclk == ERR_PTR(-ENOENT))
+               priv->ahbclk = NULL;
+       else {
+               ret = PTR_ERR(priv->ahbclk);
+               goto err_clk_ahb;
        }

        /* "dr" device has its own clock on i.MX51 */