USB: ehci-platform: Support ehci reset after resume quirk

[firefly-linux-kernel-4.4.55.git] / drivers / usb / host / ehci-platform.c

diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index 8557803e6154b0f64c5843af4f636cd1e66febf6..db5c29edf6dbaa067b73943b9b179925cf5fd9c8 100644 (file)
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -185,6 +185,10 @@ static int ehci_platform_probe(struct platform_device *dev)
                if (of_property_read_bool(dev->dev.of_node, "big-endian"))
                        ehci->big_endian_mmio = ehci->big_endian_desc = 1;
 
+               if (of_property_read_bool(dev->dev.of_node,
+                                         "needs-reset-on-resume"))
+                       pdata->reset_on_resume = 1;
+
                priv->phy = devm_phy_get(&dev->dev, "usb");
                if (IS_ERR(priv->phy)) {
                        err = PTR_ERR(priv->phy);
@@ -340,7 +344,7 @@ static int ehci_platform_resume(struct device *dev)
                        return err;
        }
 
-       ehci_resume(hcd, false);
+       ehci_resume(hcd, pdata->reset_on_resume);
        return 0;
 }
 #endif /* CONFIG_PM_SLEEP */