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Commit 723487a6 authored by Heikki Krogerus's avatar Heikki Krogerus Committed by Felipe Balbi
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phy: helpers for USB ULPI PHY registering 



ULPI PHYs need to be bound to their controllers with a
lookup. This adds helpers that the ULPI drivers can use to
do both, the registration of the PHY and the lookup, at the
same time.

Signed-off-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: default avatarDavid Cohen <david.a.cohen@linux.intel.com>
Acked-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 88bc9d19

drivers/phy/ulpi_phy.h

0 → 100644
+31 −0
Original line number Diff line number Diff line 
#include <linux/phy/phy.h>



/**

 * Helper that registers PHY for a ULPI device and adds a lookup for binding it

 * and it's controller, which is always the parent.

 */

static inline struct phy

*ulpi_phy_create(struct ulpi *ulpi, struct phy_ops *ops)

{

	struct phy *phy;

	int ret;



	phy = phy_create(&ulpi->dev, NULL, ops);

	if (IS_ERR(phy))

		return phy;



	ret = phy_create_lookup(phy, "usb2-phy", dev_name(ulpi->dev.parent));

	if (ret) {

		phy_destroy(phy);

		return ERR_PTR(ret);

	}



	return phy;

}



/* Remove a PHY that was created with ulpi_phy_create() and it's lookup. */

static inline void ulpi_phy_destroy(struct ulpi *ulpi, struct phy *phy)

{

	phy_remove_lookup(phy, "usb2-phy", dev_name(ulpi->dev.parent));

	phy_destroy(phy);

}