On 04/04/2014 04:15 PM, Sergei Shtylyov wrote:
Hello.
On 04-04-2014 17:40, Grygorii Strashko wrote:
Add a resource managed devm_mdiobus_alloc()/devm_mdiobus_free()
to automatically clean up MDIO bus alocations made by MDIO drivers,
thus leading to simplified MDIO drivers code.
Signed-off-by: Grygorii Strashko <grygorii.stras...@ti.com>
[...]
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 76f54b3..fdcd6d1 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -69,6 +69,74 @@ struct mii_bus *mdiobus_alloc_size(size_t size)
}
EXPORT_SYMBOL(mdiobus_alloc_size);
+static void _devm_mdiobus_free(struct device *dev, void *res)
+{
+ mdiobus_free(*(struct mii_bus **)res);
+}
+
+static int devm_mdiobus_match(struct device *dev, void *res, void *data)
+{
+ struct mii_bus **r = res;
Please insert an empty line after declaration.
+ if (!r || !*r) {
+ WARN_ON(!r || !*r);
Hm, why we need the duplicate check This condition is always true.
It can be replaced with:
if (WARN_ON(!r || !*r))
return 0;
I will wait for additional comments, then resend.
Regards,
- grygorii
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