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.vivek@xxxxxxxxxxx>
---
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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