drivers/phy/ulpi_phy.h

   1 #include <linux/phy/phy.h>
   2
   3 /**
   4  * Helper that registers PHY for a ULPI device and adds a lookup for binding it
   5  * and it's controller, which is always the parent.
   6  */
   7 static inline struct phy
   8 *ulpi_phy_create(struct ulpi *ulpi, const struct phy_ops *ops)
   9 {
  10         struct phy *phy;
  11         int ret;
  12
  13         phy = phy_create(&ulpi->dev, NULL, ops);
  14         if (IS_ERR(phy))
  15                 return phy;
  16
  17         ret = phy_create_lookup(phy, "usb2-phy", dev_name(ulpi->dev.parent));
  18         if (ret) {
  19                 phy_destroy(phy);
  20                 return ERR_PTR(ret);
  21         }
  22
  23         return phy;
  24 }
  25
  26 /* Remove a PHY that was created with ulpi_phy_create() and it's lookup. */
  27 static inline void ulpi_phy_destroy(struct ulpi *ulpi, struct phy *phy)
  28 {
  29         phy_remove_lookup(phy, "usb2-phy", dev_name(ulpi->dev.parent));
  30         phy_destroy(phy);
  31 }