linux-kernel - [PATCH v1 1/3] usb: phy: introduce usb_phy_set

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Message-Id: <8efd7b62ddb475cdac507387cbe25301818489c4.1416547297.git.kiran.kumar@linaro.org>
Date:	Fri, 21 Nov 2014 11:31:20 +0530
From:	Kiran Raparthy <kiran.kumar@...aro.org>
To:	linux-kernel@...r.kernel.org
Cc:	balbi@...com, john.stultz@...aro.org, sumit.semwal@...aro.org,
	Kiran Raparthy <kiran.kumar@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org,
	Android Kernel Team <kernel-team@...roid.com>,
	Arve Hjønnevåg <arve@...roid.com>,
	Benoit Goby <benoit@...roid.com>,
	Todd Poynor <toddpoynor@...gle.com>
Subject: [PATCH v1 1/3] usb: phy: introduce usb_phy_set_event interface

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@...com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org
Cc: linux-usb@...r.kernel.org
Cc: Android Kernel Team <kernel-team@...roid.com>
Cc: John Stultz <john.stultz@...aro.org>
Cc: Sumit Semwal <sumit.semwal@...aro.org>
Cc: Arve Hjønnevåg <arve@...roid.com>
Cc: Benoit Goby <benoit@...roid.com>
[Original patch in Android from Todd]
Cc: Todd Poynor <toddpoynor@...gle.com>
Signed-off-by: Kiran Raparthy <kiran.kumar@...aro.org>
---
 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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