[PATCH] net: stmmac: Handle possible fixed-link with need_mdio_ids

From: Corentin Labbe
Date: Fri Aug 25 2017 - 10:44:25 EST


In case of fixed link, there are no mdio node.
This patch add a test for fixed-link for bypassing MDIO node register.

Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index a366b3747eeb..e1be5735365b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -332,7 +332,7 @@ static int stmmac_dt_phy(struct plat_stmmacenet_data *plat,
mdio = false;
}

- if (of_match_node(need_mdio_ids, np)) {
+ if (of_match_node(need_mdio_ids, np) && !of_phy_is_fixed_link(np)) {
plat->mdio_node = of_get_child_by_name(np, "mdio");
} else {
/**
--
2.13.5