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net: pcs: xpcs: add xpcs_create_mdiodev()

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Add xpcs_create_mdiodev() to simplify the creation of the mdio device
associated with the XPCS. In order to allow xpcs_destroy() to clean
this up, we need to arrange for xpcs_create() to take a refcount on
the mdiodev, and xpcs_destroy() to put it.

Adding the refcounting to xpcs_create()..xpcs_destroy() will be
transparent to existing users of these interfaces.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King (Oracle)
2023-05-26 11:14:29 +01:00
committed by Jakub Kicinski
parent c4933fa88a
commit 9a5d500cff
2 changed files with 30 additions and 0 deletions
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2
include/linux/pcs/pcs-xpcs.h
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@@ -37,6 +37,8 @@ int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns,
int enable);
struct dw_xpcs *xpcs_create(struct mdio_device *mdiodev,
phy_interface_t interface);
struct dw_xpcs *xpcs_create_mdiodev(struct mii_bus *bus, int addr,
phy_interface_t interface);
void xpcs_destroy(struct dw_xpcs *xpcs);
#endif /* __LINUX_PCS_XPCS_H */