of_mdiobus_register creates a phy_device even if get_phy_device failed
to create it previously. This causes indefinite polling on non-existent
PHYs. This fix makes of_mdio_register rely on get_phy_device to
properly create the device or fail otherwise.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselba...@gmail.com>
---
Cc: Grant Likely <grant.lik...@linaro.org>
Cc: Rob Herring <rob.herr...@calxeda.com>
Cc: David Miller <da...@davemloft.net>
Cc: devicetree-disc...@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Cc: net...@vger.kernel.org
---
drivers/of/of_mdio.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 23049ae..d5a57a9 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -84,13 +84,10 @@ int of_mdiobus_register(struct mii_bus *mdio, struct
device_node *np)
phy = get_phy_device(mdio, addr, is_c45);
if (!phy || IS_ERR(phy)) {
- phy = phy_device_create(mdio, addr, 0, false, NULL);
- if (!phy || IS_ERR(phy)) {
- dev_err(&mdio->dev,
- "error creating PHY at address %i\n",
- addr);
- continue;
- }
+ dev_err(&mdio->dev,
+ "cannot get PHY at address %i\n",
+ addr);
+ continue;
}
/* Associate the OF node with the device structure so it
--
1.7.10.4
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