Adding  APIs to handle runtime power management on PHY
devices. PHY consumers may need to wake-up/suspend PHYs
when they work across autosuspend.

Signed-off-by: Vivek Gautam <gautam.vi...@samsung.com>
---
 include/linux/usb/phy.h |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h
index 15847cb..0fe7cac 100644
--- a/include/linux/usb/phy.h
+++ b/include/linux/usb/phy.h
@@ -276,4 +276,30 @@ static inline const char *usb_phy_type_string(enum 
usb_phy_type type)
                return "UNKNOWN PHY TYPE";
        }
 }
+
+#define USB_PHY_AUTOPM(function)                                           \
+static inline int usb_phy_autopm_##function(struct usb_phy *x)             \
+{                                                                          \
+       if (!x || !x->dev) {                                                \
+               dev_err(x->dev, "no PHY or attached device available\n");   \
+               return -ENODEV;                                             \
+       }                                                                   \
+                                                                           \
+       pm_runtime_##function(x->dev);                                      \
+                                                                           \
+       return 0;                                                           \
+}
+USB_PHY_AUTOPM(enable)
+USB_PHY_AUTOPM(disable)
+USB_PHY_AUTOPM(get)
+USB_PHY_AUTOPM(get_sync)
+USB_PHY_AUTOPM(put)
+USB_PHY_AUTOPM(put_sync)
+USB_PHY_AUTOPM(allow)
+USB_PHY_AUTOPM(forbid)
+USB_PHY_AUTOPM(suspend)
+USB_PHY_AUTOPM(autosuspend)
+USB_PHY_AUTOPM(resume)
+USB_PHY_AUTOPM(set_active)
+
 #endif /* __LINUX_USB_PHY_H */
-- 
1.7.6.5

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