[PATCH] mv643xx_eth: add mv643xx_eth_shutdown function

[Dale Farnsworth]

From: Dale Farnsworth <dale@xxxxxxxxxxxxxx>

mv643xx_eth_shutdown is needed for kexec.

Signed-off-by: Dale Farnsworth <dale@xxxxxxxxxxxxxx>

---
 drivers/net/mv643xx_eth.c |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

Index: linux-2.6-powerpc-df/drivers/net/mv643xx_eth.c
===================================================================
--- linux-2.6-powerpc-df.orig/drivers/net/mv643xx_eth.c
+++ linux-2.6-powerpc-df/drivers/net/mv643xx_eth.c
@@ -1516,9 +1516,23 @@ static int mv643xx_eth_shared_remove(str
 	return 0;
 }
 
+static void mv643xx_eth_shutdown(struct platform_device *pdev)
+{
+	struct net_device *dev = platform_get_drvdata(pdev);
+	struct mv643xx_private *mp = netdev_priv(dev);
+	unsigned int port_num = mp->port_num;
+
+	/* Mask all interrupts on ethernet port */
+	mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), 0);
+	mv_read (MV643XX_ETH_INTERRUPT_MASK_REG(port_num));
+
+	eth_port_reset(port_num);
+}
+
 static struct platform_driver mv643xx_eth_driver = {
 	.probe = mv643xx_eth_probe,
 	.remove = mv643xx_eth_remove,
+	.shutdown = mv643xx_eth_shutdown,
 	.driver = {
 		.name = MV643XX_ETH_NAME,
 	},
-
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