[PATCH] usb: ehci-s5p: skip phy setup for Exynos5440 based platforms

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Exynos5440 does not require any explict USB phy configuration. So skip
the USB phy configuration for Exynos5440 based platforms.

Signed-off-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
---
 drivers/usb/host/ehci-s5p.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c
index 867a923..0f13ef3 100644
--- a/drivers/usb/host/ehci-s5p.c
+++ b/drivers/usb/host/ehci-s5p.c
@@ -76,7 +76,7 @@ static void s5p_ehci_phy_enable(struct s5p_ehci_hcd *s5p_ehci)
 
 	if (s5p_ehci->phy)
 		usb_phy_init(s5p_ehci->phy);
-	else if (s5p_ehci->pdata->phy_init)
+	else if (s5p_ehci->pdata && s5p_ehci->pdata->phy_init)
 		s5p_ehci->pdata->phy_init(pdev, USB_PHY_TYPE_HOST);
 }
 
@@ -86,7 +86,7 @@ static void s5p_ehci_phy_disable(struct s5p_ehci_hcd *s5p_ehci)
 
 	if (s5p_ehci->phy)
 		usb_phy_shutdown(s5p_ehci->phy);
-	else if (s5p_ehci->pdata->phy_exit)
+	else if (s5p_ehci->pdata && s5p_ehci->pdata->phy_exit)
 		s5p_ehci->pdata->phy_exit(pdev, USB_PHY_TYPE_HOST);
 }
 
@@ -138,6 +138,10 @@ static int s5p_ehci_probe(struct platform_device *pdev)
 	if (!s5p_ehci)
 		return -ENOMEM;
 
+	if (of_device_is_compatible(pdev->dev.of_node,
+					"samsung,exynos5440-ehci"))
+		goto skip_phy;
+
 	phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2);
 	if (IS_ERR(phy)) {
 		/* Fallback to pdata */
@@ -152,6 +156,8 @@ static int s5p_ehci_probe(struct platform_device *pdev)
 		s5p_ehci->otg = phy->otg;
 	}
 
+skip_phy:
+
 	s5p_ehci->dev = &pdev->dev;
 
 	hcd = usb_create_hcd(&s5p_ehci_hc_driver, &pdev->dev,
@@ -306,6 +312,7 @@ static const struct dev_pm_ops s5p_ehci_pm_ops = {
 #ifdef CONFIG_OF
 static const struct of_device_id exynos_ehci_match[] = {
 	{ .compatible = "samsung,exynos4210-ehci" },
+	{ .compatible = "samsung,exynos5440-ehci" },
 	{},
 };
 MODULE_DEVICE_TABLE(of, exynos_ehci_match);
-- 
1.6.6.rc2

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