USB: ehci-platform: support EHCIs with transaction translator

[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 d8a75a51d6d4f8b9e2430fd1583cf41817f63e60..ba07f16b13e09c34c30c8e83a68f3da0aec48d20 100644 (file)
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -202,6 +202,10 @@ static int ehci_platform_probe(struct platform_device *dev)
                                          "needs-reset-on-resume"))
                        pdata->reset_on_resume = 1;
 
+               if (of_property_read_bool(dev->dev.of_node,
+                                         "has-transaction-translator"))
+                       pdata->has_tt = 1;
+
                priv->num_phys = of_count_phandle_with_args(dev->dev.of_node,
                                "phys", "#phy-cells");
                priv->num_phys = priv->num_phys > 0 ? priv->num_phys : 1;