diff options
| author | Ioana Ciornei <ioana.ciornei@nxp.com> | 2019-11-06 19:06:50 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-11-06 21:29:43 -0800 |
| commit | 226df3ef1c02a99e7303d91dc27267fae529a820 (patch) | |
| tree | f5c4c81c1e1df168c55715e9cd637652dc07e3df /drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c | |
| parent | 90ce9f23a886bdef7a4b7a9bd52c7a50a6a81635 (diff) | |
dpaa2-eth: fix an always true condition in dpaa2_mac_get_if_mode
Convert the phy_mode() function to return the if_mode through an
argument, similar to the new form of of_get_phy_mode().
This will help with handling errors in a common manner and also will fix
an always true condition.
Fixes: 0c65b2b90d13 ("net: of_get_phy_mode: Change API to solve int/unit warnings")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c index b713739f4804..d322123ed373 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c @@ -7,14 +7,19 @@ #define phylink_to_dpaa2_mac(config) \ container_of((config), struct dpaa2_mac, phylink_config) -static phy_interface_t phy_mode(enum dpmac_eth_if eth_if) +static int phy_mode(enum dpmac_eth_if eth_if, phy_interface_t *if_mode) { + *if_mode = PHY_INTERFACE_MODE_NA; + switch (eth_if) { case DPMAC_ETH_IF_RGMII: - return PHY_INTERFACE_MODE_RGMII; + *if_mode = PHY_INTERFACE_MODE_RGMII; + break; default: return -EINVAL; } + + return 0; } /* Caller must call of_node_put on the returned value */ @@ -51,11 +56,11 @@ static int dpaa2_mac_get_if_mode(struct device_node *node, if (!err) return if_mode; - if_mode = phy_mode(attr.eth_if); - if (if_mode >= 0) + err = phy_mode(attr.eth_if, &if_mode); + if (!err) return if_mode; - return -ENODEV; + return err; } static bool dpaa2_mac_phy_mode_mismatch(struct dpaa2_mac *mac, |