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authorIngo Molnar <mingo@kernel.org>2017-03-16 09:50:50 +0100
committerIngo Molnar <mingo@kernel.org>2017-03-16 09:50:50 +0100
commit2b95bd7d58d368fe5dcbe6f4e494847ea082d89d (patch)
tree48c38d792f31f2fe10b26b03bdf1b10a82ca03a4 /drivers/net/ethernet/ibm/emac/core.c
parentffa86c2f1a8862cf58c873f6f14d4b2c3250fb48 (diff)
parent69eea5a4ab9c705496e912b55a9d312325de19e6 (diff)
Merge branch 'linus' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/ibm/emac/core.c')
-rw-r--r--drivers/net/ethernet/ibm/emac/core.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c
index 275c2e2349ad..c44036d5761a 100644
--- a/drivers/net/ethernet/ibm/emac/core.c
+++ b/drivers/net/ethernet/ibm/emac/core.c
@@ -2589,8 +2589,6 @@ static int emac_dt_mdio_probe(struct emac_instance *dev)
static int emac_dt_phy_connect(struct emac_instance *dev,
struct device_node *phy_handle)
{
- int res;
-
dev->phy.def = devm_kzalloc(&dev->ofdev->dev, sizeof(*dev->phy.def),
GFP_KERNEL);
if (!dev->phy.def)
@@ -2617,7 +2615,7 @@ static int emac_dt_phy_probe(struct emac_instance *dev)
{
struct device_node *np = dev->ofdev->dev.of_node;
struct device_node *phy_handle;
- int res = 0;
+ int res = 1;
phy_handle = of_parse_phandle(np, "phy-handle", 0);
@@ -2714,13 +2712,24 @@ static int emac_init_phy(struct emac_instance *dev)
if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) {
int res = emac_dt_phy_probe(dev);
- mutex_unlock(&emac_phy_map_lock);
- if (!res)
+ switch (res) {
+ case 1:
+ /* No phy-handle property configured.
+ * Continue with the existing phy probe
+ * and setup code.
+ */
+ break;
+
+ case 0:
+ mutex_unlock(&emac_phy_map_lock);
goto init_phy;
- dev_err(&dev->ofdev->dev, "failed to attach dt phy (%d).\n",
- res);
- return res;
+ default:
+ mutex_unlock(&emac_phy_map_lock);
+ dev_err(&dev->ofdev->dev, "failed to attach dt phy (%d).\n",
+ res);
+ return res;
+ }
}
if (dev->phy_address != 0xffffffff)