Ejemplo n.º 1
0
static void wakeup_event_handler(struct wakeup_ctrl *ctrl)
{
	struct fsl_usb2_wakeup_platform_data *pdata = ctrl->pdata;
	int i;

	wakeup_clk_gate(ctrl->pdata, true);
	/* if this is an wakeup event, we should debounce ID pin
	 * so we can get the correct ID value(ID status) here
	 * */
	if (usb_event_is_otg_wakeup())
		usb_debounce_id_pin();

	for (i = 0; i < 3; i++) {
		struct fsl_usb2_platform_data *usb_pdata = pdata->usb_pdata[i];
		if (usb_pdata) {
			if (is_wakeup(usb_pdata)) {
				usb_pdata->wakeup_event = 1;
				if (usb2_is_in_lowpower(ctrl))
					if (usb_pdata->usb_clock_for_pm)
						usb_pdata->usb_clock_for_pm(true);
				usb_pdata->lowpower = 0;
			}
		}
	}
	wakeup_clk_gate(ctrl->pdata, false);
	pdata->usb_wakeup_is_pending = false;
	wake_up(&pdata->wq);
}
Ejemplo n.º 2
0
static irqreturn_t usb_wakeup_handler(int irq, void *_dev)
{
	struct wakeup_ctrl *ctrl = (struct wakeup_ctrl *)_dev;
	irqreturn_t ret = IRQ_NONE;
	if (usb2_is_in_lowpower(ctrl)) {
		printk(KERN_INFO "usb wakeup is here\n");
		delay_process_wakeup(ctrl);
		ret = IRQ_HANDLED;
	}
	return ret;
}
Ejemplo n.º 3
0
static void wakeup_event_handler(struct wakeup_ctrl *ctrl)
{
	struct fsl_usb2_wakeup_platform_data *pdata = ctrl->pdata;
	int already_waked = 0;
	enum usb_wakeup_event wakeup_evt;
	int i;

	wakeup_clk_gate(ctrl->pdata, true);

	/* In order to get the real id/vbus value */
	if (usb_event_is_otg_wakeup())
		usb_debounce_id_vbus();

	for (i = 0; i < 3; i++) {
		struct fsl_usb2_platform_data *usb_pdata = pdata->usb_pdata[i];
		if (usb_pdata) {
			usb_pdata->irq_delay = 0;
			wakeup_evt = is_wakeup(usb_pdata);
			usb_pdata->wakeup_event = wakeup_evt;
			if (wakeup_evt != WAKEUP_EVENT_INVALID) {
				if (usb2_is_in_lowpower(ctrl))
					if (usb_pdata->usb_clock_for_pm)
						usb_pdata->usb_clock_for_pm(true);
				usb_pdata->lowpower = 0;
				already_waked = 1;
				if (usb_pdata->wakeup_handler) {
					usb_pdata->wakeup_handler(usb_pdata);
				}
			}
		}
	}

	/* If nothing to wakeup, clear wakeup event */
	if ((already_waked == 0) && pdata->usb_wakeup_exhandle)
		pdata->usb_wakeup_exhandle();

	wakeup_clk_gate(ctrl->pdata, false);
	pdata->usb_wakeup_is_pending = false;
	wake_up(&pdata->wq);
}