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Subject[PATCH net-next v2 1/2] of: mdio: Fall back to mdiobus_register() with NULL device_node
Date
When the device_node specified is NULL, fall back to mdiobus_register().
We have a number of drivers having a similar pattern which is:

if (np)
of_mdiobus_register()
else
mdiobus_register()

so incorporate that behavior within the core of_mdiobus_register()
function. This is also consistent with the stub version that we defined
when CONFIG_OF=n.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
drivers/of/of_mdio.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 8c0c92712fc9..d963baf8e53a 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -204,6 +204,9 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
bool scanphys = false;
int addr, rc;

+ if (!np)
+ return mdiobus_register(mdio);
+
/* Do not continue if the node is disabled */
if (!of_device_is_available(np))
return -ENODEV;
--
2.14.1
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