usb: phy: introduce usb_phy_set_event interface

PHY drivers require a generic interface to handle per-PHY events.

usb_phy_set_event interface sets event to phy event.
PHY drivers call this interface for each phy event.

Cc: Felipe Balbi <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Android Kernel Team <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Arve Hj�nnev�g <[email protected]>
Cc: Benoit Goby <[email protected]>
[Original patch in Android from Todd]
Cc: Todd Poynor <[email protected]>
Signed-off-by: Kiran Raparthy <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index e6bf801a339a..b4066a001ba0 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -446,3 +446,15 @@ int usb_bind_phy(const char *dev_name, u8 index,
 	return 0;
 }
 EXPORT_SYMBOL_GPL(usb_bind_phy);
+
+/**
+ * usb_phy_set_event - set event to phy event
+ * @x: the phy returned by usb_get_phy();
+ *
+ * This sets event to phy event
+ */
+void usb_phy_set_event(struct usb_phy *x, unsigned long event)
+{
+	x->last_event = event;
+}
+EXPORT_SYMBOL_GPL(usb_phy_set_event);