static int tegra_ehci_suspend(struct platform_device *pdev, pm_message_t state)
{
struct tegra_ehci_hcd *tegra = platform_get_drvdata(pdev);
struct tegra_usb_platform_data *pdata = dev_get_platdata(&pdev->dev);
int err;
/* bus suspend could have failed because of remote wakeup resume */
if (tegra->bus_suspended_fail)
return -EBUSY;
else {
err = tegra_usb_phy_power_off(tegra->phy);
if (err < 0)
return err;
if (pdata->u_data.host.turn_off_vbus_on_lp0) {
tegra_usb_enable_vbus(tegra->phy, false);
tegra_usb_phy_pmc_disable(tegra->phy);
}
if (tegra->irq) {
err = enable_irq_wake(tegra->irq);
if (err < 0)
dev_err(&pdev->dev,
"Couldn't enable USB host mode wakeup, irq=%d, "
"error=%d\n", tegra->irq, err);
}
return err;
}
}
static int tegra_ehci_resume(struct platform_device *pdev)
{
struct tegra_ehci_hcd *tegra = platform_get_drvdata(pdev);
struct tegra_usb_platform_data *pdata = dev_get_platdata(&pdev->dev);
if (pdata->u_data.host.turn_off_vbus_on_lp0 && pdata->port_otg)
tegra_usb_enable_vbus(tegra->phy, true);
return tegra_usb_phy_power_on(tegra->phy);
}
static void tegra_ehci_shutdown(struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
struct platform_device *pdev = to_platform_device(hcd->self.controller);
struct tegra_usb_platform_data *pdata = dev_get_platdata(&pdev->dev);
mutex_lock(&tegra->sync_lock);
if (tegra_usb_phy_hw_accessible(tegra->phy)) {
ehci_silence_controller(ehci);
}
if (pdata->port_otg)
tegra_usb_enable_vbus(tegra->phy, false);
mutex_unlock(&tegra->sync_lock);
}
static int tegra_ehci_suspend(struct platform_device *pdev, pm_message_t state)
{
struct tegra_ehci_hcd *tegra = platform_get_drvdata(pdev);
int err;
struct tegra_usb_platform_data *pdata = dev_get_platdata(&pdev->dev);
/* bus suspend could have failed because of remote wakeup resume */
if (tegra->bus_suspended_fail)
return -EBUSY;
else {
err = tegra_usb_phy_power_off(tegra->phy);
if (pdata->u_data.host.turn_off_vbus_on_lp0 && pdata->port_otg)
tegra_usb_enable_vbus(tegra->phy, false);
return err;
}
}
static int tegra_ehci_resume(struct platform_device *pdev)
{
int err = 0;
struct tegra_ehci_hcd *tegra = platform_get_drvdata(pdev);
struct tegra_usb_platform_data *pdata = dev_get_platdata(&pdev->dev);
if (tegra->irq) {
err = disable_irq_wake(tegra->irq);
if (err < 0)
dev_err(&pdev->dev,
"Couldn't disable USB host mode wakeup, irq=%d, "
"error=%d\n", tegra->irq, err);
}
if (pdata->u_data.host.turn_off_vbus_on_lp0) {
tegra_usb_enable_vbus(tegra->phy, true);
tegra_ehci_notify_event(tegra, USB_EVENT_ID);
}
return tegra_usb_phy_power_on(tegra->phy);
}
