static irqreturn_t arche_platform_wd_irq_thread(int irq, void *devid)
{
struct arche_platform_drvdata *arche_pdata = devid;
unsigned long flags;
spin_lock_irqsave(&arche_pdata->wake_lock, flags);
if (arche_pdata->wake_detect_state != WD_STATE_COLDBOOT_TRIG) {
/* Something is wrong */
spin_unlock_irqrestore(&arche_pdata->wake_lock, flags);
return IRQ_HANDLED;
}
arche_platform_set_wake_detect_state(arche_pdata,
WD_STATE_COLDBOOT_START);
spin_unlock_irqrestore(&arche_pdata->wake_lock, flags);
/* It should complete power cycle, so first make sure it is poweroff */
device_for_each_child(arche_pdata->dev, NULL, apb_poweroff);
/* Bring APB out of reset: cold boot sequence */
device_for_each_child(arche_pdata->dev, NULL, apb_cold_boot);
/* Enable HUB3613 into HUB mode. */
if (usb3613_hub_mode_ctrl(true))
dev_warn(arche_pdata->dev, "failed to control hub device\n");
spin_lock_irqsave(&arche_pdata->wake_lock, flags);
arche_platform_set_wake_detect_state(arche_pdata, WD_STATE_IDLE);
spin_unlock_irqrestore(&arche_pdata->wake_lock, flags);
return IRQ_HANDLED;
}
static void arche_platform_shutdown(struct platform_device *pdev)
{
struct arche_platform_drvdata *arche_pdata = platform_get_drvdata(pdev);
arche_platform_poweroff_seq(arche_pdata);
usb3613_hub_mode_ctrl(false);
}
static int apb_poweroff(struct device *dev, void *data)
{
apb_ctrl_poweroff(dev);
/* Enable HUB3613 into HUB mode. */
if (usb3613_hub_mode_ctrl(false))
dev_warn(dev, "failed to control hub device\n");
return 0;
}
static int arche_platform_remove(struct platform_device *pdev)
{
struct arche_platform_drvdata *arche_pdata = platform_get_drvdata(pdev);
unregister_pm_notifier(&arche_pdata->pm_notifier);
device_remove_file(&pdev->dev, &dev_attr_state);
device_for_each_child(&pdev->dev, NULL, arche_remove_child);
arche_platform_poweroff_seq(arche_pdata);
if (usb3613_hub_mode_ctrl(false))
dev_warn(arche_pdata->dev, "failed to control hub device\n");
/* TODO: Should we do anything more here ?? */
return 0;
}