static int s5p_ehci_runtime_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct s5p_ehci_platdata *pdata = pdev->dev.platform_data;
struct s5p_ehci_hcd *s5p_ehci = platform_get_drvdata(pdev);
struct usb_hcd *hcd = s5p_ehci->hcd;
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
int rc = 0;
if (dev->power.is_suspended)
return 0;
#ifdef CONFIG_MDM_HSIC_PM
request_active_lock_set(hsic_pm_dev);
#endif
/* platform device isn't suspended */
if (pdata && pdata->phy_resume)
rc = pdata->phy_resume(pdev, S5P_USB_PHY_HOST);
if (rc) {
s5p_ehci_configurate(hcd);
/* emptying the schedule aborts any urbs */
spin_lock_irq(&ehci->lock);
if (ehci->reclaim)
end_unlink_async(ehci);
ehci_work(ehci);
spin_unlock_irq(&ehci->lock);
usb_root_hub_lost_power(hcd->self.root_hub);
ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
ehci_writel(ehci, INTR_MASK, &ehci->regs->intr_enable);
(void)ehci_readl(ehci, &ehci->regs->intr_enable);
/* here we "know" root ports should always stay powered */
ehci_port_power(ehci, 1);
hcd->state = HC_STATE_SUSPENDED;
#ifdef CONFIG_MDM_HSIC_PM
set_host_stat(hsic_pm_dev, POWER_ON);
wait_dev_pwr_stat(hsic_pm_dev, POWER_ON);
#endif
#if defined(CONFIG_LINK_DEVICE_HSIC) || defined(CONFIG_LINK_DEVICE_USB) \
|| defined(CONFIG_MDM_HSIC_PM)
s5p_wait_for_cp_resume(pdev, hcd);
#endif
}
return 0;
}
static void mdm_status_fn(struct work_struct *work)
{
int value = gpio_get_value(mdm_drv->mdm2ap_status_gpio);
pr_debug("%s: status:%d\n", __func__, value);
if (mdm_drv->mdm_ready && mdm_drv->ops->status_cb)
mdm_drv->ops->status_cb(mdm_drv, value);
#ifdef CONFIG_MDM_HSIC_PM
if (value) {
request_boot_lock_release(rmnet_pm_dev);
request_active_lock_set(rmnet_pm_dev);
}
#endif
}
static void mdm_status_fn(struct work_struct *work)
{
struct mdm_ctrl *mdm =
container_of(work, struct mdm_ctrl, mdm_status_work);
struct device *dev = mdm->dev;
int value = gpio_get_value(MDM_GPIO(mdm, MDM2AP_STATUS));
dev_info(dev, "%s: status:%d\n", __func__, value);
#if defined(CONFIG_MDM_HSIC_PM)
request_active_lock_set(rmnet_pm_dev);
#endif
/* Update gpio configuration to "running" config. */
mdm_update_gpio_configs(mdm, GPIO_UPDATE_RUNNING_CONFIG);
}