[PATCH] net: fix bonding with spider_net
Another small update for the spidernet driver to fix a bug encountered
during testing our latest hardware with dual-ethernet support.
Signed-off-by: Arnd Bergmann <arndb@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 6784e6e..4e19220 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -1292,23 +1292,29 @@
spider_net_set_mac(struct net_device *netdev, void *p)
{
struct spider_net_card *card = netdev_priv(netdev);
- u32 macl, macu;
+ u32 macl, macu, regvalue;
struct sockaddr *addr = p;
- /* GMACTPE and GMACRPE must be off, so we only allow this, if
- * the device is down */
- if (netdev->flags & IFF_UP)
- return -EBUSY;
-
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
+ /* switch off GMACTPE and GMACRPE */
+ regvalue = spider_net_read_reg(card, SPIDER_NET_GMACOPEMD);
+ regvalue &= ~((1 << 5) | (1 << 6));
+ spider_net_write_reg(card, SPIDER_NET_GMACOPEMD, regvalue);
+
+ /* write mac */
macu = (addr->sa_data[0]<<24) + (addr->sa_data[1]<<16) +
(addr->sa_data[2]<<8) + (addr->sa_data[3]);
macl = (addr->sa_data[4]<<8) + (addr->sa_data[5]);
spider_net_write_reg(card, SPIDER_NET_GMACUNIMACU, macu);
spider_net_write_reg(card, SPIDER_NET_GMACUNIMACL, macl);
+ /* switch GMACTPE and GMACRPE back on */
+ regvalue = spider_net_read_reg(card, SPIDER_NET_GMACOPEMD);
+ regvalue |= ((1 << 5) | (1 << 6));
+ spider_net_write_reg(card, SPIDER_NET_GMACOPEMD, regvalue);
+
spider_net_set_promisc(card);
/* look up, whether we have been successful */
