Re: [PATCH 1/2] mdio_bus: implement devm_mdiobus_alloc/devm_mdiobus_free

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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.strashko@xxxxxx>
[...]

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.

[...]
+/**
+ * devm_mdiobus_free - Resource-managed mdiobus_free()
+ * @dev:		Device this mii_bus belongs to
+ * @bus:		the mii_bus associated with the device
+ *
+ * Free mii_bus allocated with devm_mdiobus_alloc().
+ */
+void devm_mdiobus_free(struct device *dev, struct mii_bus *bus)
+{
+	int rc;
+
+	rc = devres_release(dev, _devm_mdiobus_free,
+		devm_mdiobus_match, bus);

Please make this line start under 'dev', according to the networking coding style.

[...]

WBR, Sergei

--
To unsubscribe from this list: send the line "unsubscribe linux-doc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux