include/linux/phy/ulpi_phy.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <linux/phy/phy.h>
   3
   4 /**
   5  * Helper that registers PHY for a ULPI device and adds a lookup for binding it
   6  * and it's controller, which is always the parent.
   7  */
   8 static inline struct phy
   9 *ulpi_phy_create(struct ulpi *ulpi, const struct phy_ops *ops)
  10 {
  11         struct phy *phy;
  12         int ret;
  13
  14         phy = phy_create(&ulpi->dev, NULL, ops);
  15         if (IS_ERR(phy))
  16                 return phy;
  17
  18         ret = phy_create_lookup(phy, "usb2-phy", dev_name(ulpi->dev.parent));
  19         if (ret) {
  20                 phy_destroy(phy);
  21                 return ERR_PTR(ret);
  22         }
  23
  24         return phy;
  25 }
  26
  27 /* Remove a PHY that was created with ulpi_phy_create() and it's lookup. */
  28 static inline void ulpi_phy_destroy(struct ulpi *ulpi, struct phy *phy)
  29 {
  30         phy_remove_lookup(phy, "usb2-phy", dev_name(ulpi->dev.parent));
  31         phy_destroy(phy);
  32 }