From: wlf <wulf@rock-chips.com>
Date: Wed, 26 Mar 2014 02:16:56 +0000 (+0800)
Subject: USB: Support usb irq wakeup system.
X-Git-Tag: firefly_0821_release~5832
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3ee8b2c59feb37a5fe5555e51b00be54c2602f8e;p=firefly-linux-kernel-4.4.55.git

USB: Support usb irq wakeup system.
---

diff --git a/drivers/usb/dwc_otg_310/usbdev_rk.h b/drivers/usb/dwc_otg_310/usbdev_rk.h
index 288597760084..56aa975f61a2 100755
--- a/drivers/usb/dwc_otg_310/usbdev_rk.h
+++ b/drivers/usb/dwc_otg_310/usbdev_rk.h
@@ -39,6 +39,7 @@
 #define USB_IRQ_WAKEUP        (7)
 
 extern int rk_usb_charger_status;
+extern void rk_send_wakeup_key(void);
 /* rk3188 platform data */
 extern struct dwc_otg_platform_data usb20otg_pdata_rk3188;
 extern struct dwc_otg_platform_data usb20host_pdata_rk3188;
diff --git a/drivers/usb/dwc_otg_310/usbdev_rk30.c b/drivers/usb/dwc_otg_310/usbdev_rk30.c
index 6fb727f8a563..e93fbf804b67 100755
--- a/drivers/usb/dwc_otg_310/usbdev_rk30.c
+++ b/drivers/usb/dwc_otg_310/usbdev_rk30.c
@@ -385,7 +385,7 @@ struct rkehci_platform_data rkhsic_pdata_rk3188 = {
 
 inline static void do_wakeup(struct work_struct *work)
 {
-//	rk28_send_wakeup_key();
+	rk_send_wakeup_key(); // wake up the system
 }
 
 /********** handler for bvalid irq **********/
diff --git a/drivers/usb/dwc_otg_310/usbdev_rk32.c b/drivers/usb/dwc_otg_310/usbdev_rk32.c
index 731e5a49dd60..d6ecfd139153 100755
--- a/drivers/usb/dwc_otg_310/usbdev_rk32.c
+++ b/drivers/usb/dwc_otg_310/usbdev_rk32.c
@@ -531,7 +531,7 @@ struct rkehci_platform_data rkohci_pdata_rk3288 = {
 #define WAKE_LOCK_TIMEOUT (HZ * 10)
 inline static void do_wakeup(struct work_struct *work)
 {
-//      rk28_send_wakeup_key();
+	rk_send_wakeup_key(); // wake up the system
 }
 
 static void usb_battery_charger_detect_work(struct work_struct *work)
@@ -594,7 +594,6 @@ static irqreturn_t id_irq_handler(int irq, void *dev_id)
 
 static irqreturn_t line_irq_handler(int irq, void *dev_id)
 {
-    unsigned int uoc_con;
     /* clear irq */
     
     if(control_usb->grf_uoc0_base->CON0 & 1<<15){