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-rwxr-xr-xdrivers/usb/host/ehci-tegra.c42
1 files changed, 26 insertions, 16 deletions
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index ba8e45a87f3c..505cee6c94e4 100755
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -264,18 +264,6 @@ static int tegra_ehci_setup(struct usb_hcd *hcd)
return retval;
}
-static int tegra_ehci_bus_suspend(struct usb_hcd *hcd)
-{
- printk("%s called\n", __func__);
- return 0;
-}
-
-static int tegra_ehci_bus_resume(struct usb_hcd *hcd)
-{
- printk("%s called\n", __func__);
- return 0;
-}
-
static const struct hc_driver tegra_ehci_hc_driver = {
.description = hcd_name,
.product_desc = "Tegra Ehci host controller",
@@ -295,8 +283,8 @@ static const struct hc_driver tegra_ehci_hc_driver = {
.get_frame_number = ehci_get_frame,
.hub_status_data = ehci_hub_status_data,
.hub_control = tegra_ehci_hub_control,
- .bus_suspend = tegra_ehci_bus_suspend,
- .bus_resume = tegra_ehci_bus_resume,
+ .bus_suspend = ehci_bus_suspend,
+ .bus_resume = ehci_bus_resume,
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
};
@@ -470,12 +458,34 @@ static int tegra_ehci_remove(struct platform_device *pdev)
static int tegra_ehci_suspend(struct platform_device *pdev,
pm_message_t message)
{
- printk("%s called\n", __func__);
+ struct tegra_hcd_platform_data *pdata;
+ NvError Err;
+ pdata = (struct tegra_hcd_platform_data *)pdev->dev.platform_data;
+ if (!pdata) {
+ dev_err(&pdev->dev, "Cannot run without platform data\n");
+ return -1;
+ }
+ Err = NvDdkUsbPhyPowerDown(pdata->hUsbPhy, NV_TRUE, 0);
+ if (Err != NvSuccess) {
+ dev_err(&pdev->dev, "\n Usb Phy down error=0x%x ", Err);
+ return -1;
+ }
return 0;
}
static int tegra_ehci_resume(struct platform_device *pdev)
{
- printk("%s called\n", __func__);
+ struct tegra_hcd_platform_data *pdata;
+ NvError Err;
+ pdata = (struct tegra_hcd_platform_data *)pdev->dev.platform_data;
+ if (!pdata) {
+ dev_err(&pdev->dev, "Cannot run without platform data\n");
+ return -1;
+ }
+ Err = NvDdkUsbPhyPowerUp(pdata->hUsbPhy, NV_TRUE, 0);
+ if (Err != NvSuccess) {
+ dev_err(&pdev->dev, "\n Usb Phy Up error=0x%x ", Err);
+ return -1;
+ }
return 0;
}