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 <balbi@xxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-usb@xxxxxxxxxxxxxxx
Cc: Android Kernel Team <kernel-team@xxxxxxxxxxx>
Cc: John Stultz <john.stultz@xxxxxxxxxx>
Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Cc: Arve Hj��<arve@xxxxxxxxxxx>
Cc: Benoit Goby <benoit@xxxxxxxxxxx>
[Original patch in Android from Todd]
Cc: Todd Poynor <toddpoynor@xxxxxxxxxx>
Signed-off-by: Kiran Raparthy <kiran.kumar@xxxxxxxxxx>
---
drivers/usb/phy/phy.c | 12 ++++++++++++
include/linux/usb/phy.h | 5 +++++
2 files changed, 17 insertions(+)
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index 045cd30..2b1039e 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -444,3 +444,15 @@ 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);
diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h
index 353053a..3c713ff 100644
--- a/include/linux/usb/phy.h
+++ b/include/linux/usb/phy.h
@@ -210,6 +210,7 @@ extern void usb_put_phy(struct usb_phy *);
extern void devm_usb_put_phy(struct device *dev, struct usb_phy *x);
extern int usb_bind_phy(const char *dev_name, u8 index,
const char *phy_dev_name);
+extern void usb_phy_set_event(struct usb_phy *x, unsigned long event);
#else
static inline struct usb_phy *usb_get_phy(enum usb_phy_type type)
{
@@ -251,6 +252,10 @@ static inline int usb_bind_phy(const char *dev_name, u8 index,
{
return -EOPNOTSUPP;
}
+
+static inline void usb_phy_set_event(struct usb_phy *x, unsigned long event)
+{
+}
#endif
static inline int
--
1.8.2.1
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