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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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723487a6ff
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: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: David Cohen <david.a.cohen@linux.intel.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
32 lines
738 B
C
32 lines
738 B
C
#include <linux/phy/phy.h>
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/**
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* Helper that registers PHY for a ULPI device and adds a lookup for binding it
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* and it's controller, which is always the parent.
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*/
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static inline struct phy
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*ulpi_phy_create(struct ulpi *ulpi, struct phy_ops *ops)
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{
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struct phy *phy;
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int ret;
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phy = phy_create(&ulpi->dev, NULL, ops);
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if (IS_ERR(phy))
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return phy;
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ret = phy_create_lookup(phy, "usb2-phy", dev_name(ulpi->dev.parent));
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if (ret) {
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phy_destroy(phy);
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return ERR_PTR(ret);
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}
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return phy;
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}
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/* Remove a PHY that was created with ulpi_phy_create() and it's lookup. */
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static inline void ulpi_phy_destroy(struct ulpi *ulpi, struct phy *phy)
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{
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phy_remove_lookup(phy, "usb2-phy", dev_name(ulpi->dev.parent));
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phy_destroy(phy);
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}
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