4 files changed, 30 insertions, 3 deletions
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index d1d8c47777c..7f425acd9be 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -212,6 +212,8 @@ static int exynos_ehci_suspend(struct device *dev)
 	int rc;
 
 	rc = ehci_suspend(hcd, do_wakeup);
+	if (rc)
+		return rc;
 
 	if (exynos_ehci->otg)
 		exynos_ehci->otg->set_host(exynos_ehci->otg, &hcd->self);
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index b3a0e11073a..c7dd93aad20 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -303,6 +303,8 @@ static int ehci_platform_suspend(struct device *dev)
 	int ret;
 
 	ret = ehci_suspend(hcd, do_wakeup);
+	if (ret)
+		return ret;
 
 	if (pdata->power_suspend)
 		pdata->power_suspend(pdev);
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index 27ac6ad53c3..7ef00ecb0da 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -509,8 +509,31 @@ static struct platform_driver tegra_ehci_driver = {
 	}
 };
 
+static int tegra_ehci_reset(struct usb_hcd *hcd)
+{
+	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+	int retval;
+	int txfifothresh;
+
+	retval = ehci_setup(hcd);
+	if (retval)
+		return retval;
+
+	/*
+	 * We should really pull this value out of tegra_ehci_soc_config, but
+	 * to avoid needing access to it, make use of the fact that Tegra20 is
+	 * the only one so far that needs a value of 10, and Tegra20 is the
+	 * only one which doesn't set has_hostpc.
+	 */
+	txfifothresh = ehci->has_hostpc ? 0x10 : 10;
+	ehci_writel(ehci, txfifothresh << 16, &ehci->regs->txfill_tuning);
+
+	return 0;
+}
+
 static const struct ehci_driver_overrides tegra_overrides __initconst = {
 	.extra_priv_size	= sizeof(struct tegra_ehci_hcd),
+	.reset			= tegra_ehci_reset,
 };
 
 static int __init ehci_tegra_init(void)
diff --git a/drivers/usb/host/ohci-jz4740.c b/drivers/usb/host/ohci-jz4740.c
index af8dc1b92d7..c2c221a332e 100644
--- a/drivers/usb/host/ohci-jz4740.c
+++ b/drivers/usb/host/ohci-jz4740.c
@@ -82,14 +82,14 @@ static int ohci_jz4740_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 	u16 wIndex, char *buf, u16 wLength)
 {
 	struct jz4740_ohci_hcd *jz4740_ohci = hcd_to_jz4740_hcd(hcd);
-	int ret;
+	int ret = 0;
 
 	switch (typeReq) {
-	case SetHubFeature:
+	case SetPortFeature:
 		if (wValue == USB_PORT_FEAT_POWER)
 			ret = ohci_jz4740_set_vbus_power(jz4740_ohci, true);
 		break;
-	case ClearHubFeature:
+	case ClearPortFeature:
 		if (wValue == USB_PORT_FEAT_POWER)
 			ret = ohci_jz4740_set_vbus_power(jz4740_ohci, false);
 		break;