[PATCH v3 01/12] usb: otg: add notify_connect/notify_disconnect callback
Richard Zhao
richard.zhao at freescale.com
Fri May 25 12:24:14 EST 2012
This let usb phy driver has a chance to change hw settings when connect
status change.
Signed-off-by: Richard Zhao <richard.zhao at freescale.com>
---
include/linux/usb/otg.h | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 38ab3f4..6dfdc8d 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -117,6 +117,9 @@ struct usb_phy {
int (*set_suspend)(struct usb_phy *x,
int suspend);
+ /* notify phy connect status change */
+ int (*notify_connect)(struct usb_phy *x, int port);
+ int (*notify_disconnect)(struct usb_phy *x, int port);
};
@@ -252,6 +255,24 @@ usb_phy_set_suspend(struct usb_phy *x, int suspend)
}
static inline int
+usb_phy_notify_connect(struct usb_phy *x, int port)
+{
+ if (x->notify_connect)
+ return x->notify_connect(x, port);
+ else
+ return 0;
+}
+
+static inline int
+usb_phy_notify_disconnect(struct usb_phy *x, int port)
+{
+ if (x->notify_disconnect)
+ return x->notify_disconnect(x, port);
+ else
+ return 0;
+}
+
+static inline int
otg_start_srp(struct usb_otg *otg)
{
if (otg && otg->start_srp)
--
1.7.5.4
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