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usb: phy: introduce usb_phy_set_event interface

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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@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Cc: Android Kernel Team <kernel-team@android.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Arve Hj�nnev�g <arve@android.com>
Cc: Benoit Goby <benoit@android.com>
[Original patch in Android from Todd]
Cc: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Kiran Raparthy <kiran.kumar@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Kiran Raparthy 2014-11-21 11:31:20 +05:30 committed by Felipe Balbi
parent 18a4e65f22
commit df9f7b311d
2 changed files with 17 additions and 0 deletions
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12
drivers/usb/phy/phy.c
View File

@ -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);

5
include/linux/usb/phy.h
View File

@ -209,6 +209,7 @@ 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)
{
@ -250,6 +251,10 @@ 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