usb: ohci-exynos: skip phy setup for Exynos5440 based platforms
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@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
index 4b469e0..509fa51 100644
--- a/drivers/usb/host/ohci-exynos.c
+++ b/drivers/usb/host/ohci-exynos.c
@@ -34,7 +34,7 @@
if (exynos_ohci->phy)
usb_phy_init(exynos_ohci->phy);
- else if (exynos_ohci->pdata->phy_init)
+ else if (exynos_ohci->pdata && exynos_ohci->pdata->phy_init)
exynos_ohci->pdata->phy_init(pdev, USB_PHY_TYPE_HOST);
}
@@ -44,7 +44,7 @@
if (exynos_ohci->phy)
usb_phy_shutdown(exynos_ohci->phy);
- else if (exynos_ohci->pdata->phy_exit)
+ else if (exynos_ohci->pdata && exynos_ohci->pdata->phy_exit)
exynos_ohci->pdata->phy_exit(pdev, USB_PHY_TYPE_HOST);
}
@@ -127,6 +127,10 @@
if (!exynos_ohci)
return -ENOMEM;
+ if (of_device_is_compatible(pdev->dev.of_node,
+ "samsung,exynos5440-ohci"))
+ goto skip_phy;
+
phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2);
if (IS_ERR(phy)) {
/* Fallback to pdata */
@@ -141,6 +145,8 @@
exynos_ohci->otg = phy->otg;
}
+skip_phy:
+
exynos_ohci->dev = &pdev->dev;
hcd = usb_create_hcd(&exynos_ohci_hc_driver, &pdev->dev,
@@ -311,6 +317,7 @@
#ifdef CONFIG_OF
static const struct of_device_id exynos_ohci_match[] = {
{ .compatible = "samsung,exynos4210-ohci" },
+ { .compatible = "samsung,exynos5440-ohci" },
{},
};
MODULE_DEVICE_TABLE(of, exynos_ohci_match);