[PATCH v2 01/12] usb: otg: add notify_connect_change callback

[richard.zhao@freescale.com (Richard Zhao)]

This let usb phy driver has a chance to change hw settings when connect
status change.

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
---
 include/linux/usb/otg.h |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 38ab3f4..385641d 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -117,6 +117,10 @@ struct usb_phy {
 	int	(*set_suspend)(struct usb_phy *x,
 				int suspend);
 
+	/* notify phy connect status change */
+	int	(*notify_connect_change)(struct usb_phy *x,
+					 int port,
+					 int connected);
 };
 
 
@@ -252,6 +256,15 @@ usb_phy_set_suspend(struct usb_phy *x, int suspend)
 }
 
 static inline int
+usb_phy_notify_connect_change(struct usb_phy *x, int port, int connected)
+{
+	if (x->notify_connect_change != NULL)
+		return x->notify_connect_change(x, port, connected);
+	else
+		return 0;
+}
+
+static inline int
 otg_start_srp(struct usb_otg *otg)
 {
 	if (otg && otg->start_srp)
-- 
1.7.5.4