netdev - [PATCH net-next 5/8] net: dsa: allow switch drivers to cleanup their resources

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Date:	Mon, 12 Jan 2015 13:57:43 -0800
From:	Florian Fainelli <f.fainelli@...il.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, buytenh@...tstofly.org,
	Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH net-next 5/8] net: dsa: allow switch drivers to cleanup their resources

Some switch drivers might request interrupts, remap register ranges,
allow such drivers to implement a "remove" callback doing just that.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 include/net/dsa.h | 1 +
 net/dsa/dsa.c     | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index ed3c34bbb67a..cace02a4cbdd 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -192,6 +192,7 @@ struct dsa_switch_driver {
 	 */
 	char	*(*probe)(struct device *host_dev, int sw_addr);
 	int	(*setup)(struct dsa_switch *ds);
+	void	(*remove)(struct dsa_switch *ds);
 	int	(*set_addr)(struct dsa_switch *ds, u8 *addr);
 	u32	(*get_phy_flags)(struct dsa_switch *ds, int port);
 
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index df7ec066ac64..008a1a58cf0c 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -331,6 +331,8 @@ static void dsa_switch_destroy(struct dsa_switch *ds)
 
 	mdiobus_unregister(ds->slave_mii_bus);
 	mdiobus_free(ds->slave_mii_bus);
+	if (ds->drv->remove)
+		ds->drv->remove(ds);
 	kfree(ds);
 }
 
-- 
2.1.0

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