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 | 141 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 141 insertions(+), 0 deletions(-)
diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h
index 6b5978f..01bf9c1 100644
--- a/include/linux/usb/phy.h
+++ b/include/linux/usb/phy.h
@@ -297,4 +297,145 @@ static inline const char *usb_phy_type_string(enum usb_phy_type type)
return "UNKNOWN PHY TYPE";
}
}
+
+static inline void usb_phy_autopm_enable(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return;
+ }
+
+ pm_runtime_enable(x->dev);
+}
+
+static inline void usb_phy_autopm_disable(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return;
+ }
+
+ pm_runtime_disable(x->dev);
+}
+
+static inline int usb_phy_autopm_get(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return -ENODEV;
+ }
+
+ return pm_runtime_get(x->dev);
+}
+
+static inline int usb_phy_autopm_get_sync(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return -ENODEV;
+ }
+
+ return pm_runtime_get_sync(x->dev);
+}
+
+static inline int usb_phy_autopm_put(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return -ENODEV;
+ }
+
+ return pm_runtime_put(x->dev);
+}
+
+static inline int usb_phy_autopm_put_sync(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return -ENODEV;
+ }
+
+ return pm_runtime_put_sync(x->dev);
+}
+
+static inline void usb_phy_autopm_allow(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return;
+ }
+
+ pm_runtime_allow(x->dev);
+}
+
+static inline void usb_phy_autopm_forbid(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return;
+ }
+
+ pm_runtime_forbid(x->dev);
+}
+
+static inline int usb_phy_autopm_set_active(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return -ENODEV;
+ }
+
+ return pm_runtime_set_active(x->dev);
+}
+
+static inline void usb_phy_autopm_set_suspended(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return;
+ }
+
+ pm_runtime_set_suspended(x->dev);
+}
+
+static inline bool usb_phy_autopm_suspended(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return 0;
+ }
+
+ return pm_runtime_suspended(x->dev);
+}
+
+static inline bool usb_phy_autopm_active(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return 0;
+ }
+
+ return pm_runtime_active(x->dev);
+}
+
+static inline int usb_phy_autopm_suspend(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return -ENODEV;
+ }
+
+ return pm_runtime_suspend(x->dev);
+}
+
+static inline int usb_phy_autopm_resume(struct usb_phy *x)
+{
+ if (!x || !x->dev) {
+ dev_err(x->dev, "no PHY or attached device available\n");
+ return -ENODEV;
+ }
+
+ return pm_runtime_resume(x->dev);
+}
+
#endif /* __LINUX_USB_PHY_H */
--
1.7.6.5
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