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of_mdio: add helper to deregister fixed-link PHYs

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Add helper to deregister fixed-link PHYs registered using
of_phy_register_fixed_link().

Convert the two drivers that care to deregister their fixed-link PHYs to
use the new helper, but note that most drivers currently fail to do so.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johan Hovold 2016-11-28 19:24:55 +01:00 • committed by David S. Miller
parent 0d8f3c6715
commit 3f65047c85
4 changed files with 23 additions and 24 deletions
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12
net/dsa/dsa.c
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@ -506,16 +506,8 @@ dsa_switch_setup(struct dsa_switch_tree *dst, int index,
void dsa_cpu_dsa_destroy(struct device_node *port_dn)
{
struct phy_device *phydev;
if (of_phy_is_fixed_link(port_dn)) {
phydev = of_phy_find_device(port_dn);
if (phydev) {
fixed_phy_unregister(phydev);
put_device(&phydev->mdio.dev);
phy_device_free(phydev);
}
}
if (of_phy_is_fixed_link(port_dn))
of_phy_deregister_fixed_link(port_dn);
}
static void dsa_switch_destroy(struct dsa_switch *ds)