net: pcs: xpcs: add xpcs_create_mdiodev()
commit db88caaa2b3e5cc33a3f0b9cf5fb309febacf167 from https://github.com/nxp-imx/linux-imx lf-6.1.y 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> (cherry picked from commit 9a5d500c ) Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>
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