usb: ehci-exynos: Use NULL instead of 0

The third argument of devm_of_phy_get expects a pointer.
Hence use NULL instead of 0. Fixes the following warning:
drivers/usb/host/ehci-exynos.c:91:51: warning: Using plain integer as NULL pointer

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index d1c76216350f60fd65c7106a1146ab563daaead6..cda0a2f5c46715e9b7a1d5daea6d3d711493524a 100644 (file)
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -88,7 +88,7 @@ static int exynos_ehci_get_phy(struct device *dev,
                        return -EINVAL;
                }
 
-               phy = devm_of_phy_get(dev, child, 0);
+               phy = devm_of_phy_get(dev, child, NULL);
                of_node_put(child);
                if (IS_ERR(phy)) {
                        ret = PTR_ERR(phy);