diff options
author | Fabrice Gasnier <fabrice.gasnier@st.com> | 2016-02-29 14:27:40 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-03-02 20:21:33 +0100 |
commit | 8ecd80a5f6a7e31824c0d49e10c3cf6825c6c291 (patch) | |
tree | 429147aa00aff247a479792f3dfa970997cd005b /drivers/net/ethernet/stmicro | |
parent | stmmac: do not poll phy handler when attach a switch (diff) | |
download | linux-8ecd80a5f6a7e31824c0d49e10c3cf6825c6c291.tar.xz linux-8ecd80a5f6a7e31824c0d49e10c3cf6825c6c291.zip |
stmmac: fix phy init when attached to a phy
phy_bus_name can be NULL when "fixed-link" property isn't used.
Then, since "stmmac: do not poll phy handler when attach a switch",
phy_bus_name ptr needs to be checked before strcmp is called.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro')
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index eab7ac0f5bc1..3cc135559a1d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -868,8 +868,9 @@ static int stmmac_init_phy(struct net_device *dev) } /* If attached to a switch, there is no reason to poll phy handler */ - if (!strcmp(priv->plat->phy_bus_name, "fixed")) - phydev->irq = PHY_IGNORE_INTERRUPT; + if (priv->plat->phy_bus_name) + if (!strcmp(priv->plat->phy_bus_name, "fixed")) + phydev->irq = PHY_IGNORE_INTERRUPT; pr_debug("stmmac_init_phy: %s: attached to PHY (UID 0x%x)" " Link = %d\n", dev->name, phydev->phy_id, phydev->link); |