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
ulpi_phy_create(struct ulpi * ulpi,const struct phy_ops * ops)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. */
ulpi_phy_destroy(struct ulpi * ulpi,struct phy * phy)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 }
33