openwrt/target/linux/layerscape/patches-5.4/820-usb-0001-MLK-11340-26-usb-phy-add-notify-suspend-and-resume-c.patch

From 7306c576fd8463f915192e68b7d0b93a24d43c9e Mon Sep 17 00:00:00 2001
From: Peter Chen <peter.chen@freescale.com>
Date: Mon, 16 Sep 2013 16:31:24 +0800
Subject: [PATCH] MLK-11340-26 usb: phy: add notify suspend and resume callback

They are used to notify PHY that the controller enters suspend
or finishes resume.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
---
 include/linux/usb/phy.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

--- a/include/linux/usb/phy.h
+++ b/include/linux/usb/phy.h
@@ -155,6 +155,12 @@ struct usb_phy {
 	 * manually detect the charger type.
 	 */
 	enum usb_charger_type (*charger_detect)(struct usb_phy *x);
+
+	int	(*notify_suspend)(struct usb_phy *x,
+			enum usb_device_speed speed);
+	int	(*notify_resume)(struct usb_phy *x,
+			enum usb_device_speed speed);
+
 };
 
 /* for board-specific init logic */
@@ -333,6 +339,24 @@ usb_phy_notify_disconnect(struct usb_phy
 	else
 		return 0;
 }
+
+static inline int usb_phy_notify_suspend
+	(struct usb_phy *x, enum usb_device_speed speed)
+{
+	if (x && x->notify_suspend)
+		return x->notify_suspend(x, speed);
+	else
+		return 0;
+}
+
+static inline int usb_phy_notify_resume
+	(struct usb_phy *x, enum usb_device_speed speed)
+{
+	if (x && x->notify_resume)
+		return x->notify_resume(x, speed);
+	else
+		return 0;
+}
 
 /* notifiers */
 static inline int