Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1341 commits)
  virtio_net: remove forgotten assignment
  be2net: fix tx completion polling
  sis190: fix cable detect via link status poll
  net: fix protocol sk_buff field
  bridge: Fix build error when IGMP_SNOOPING is not enabled
  bnx2x: Tx barriers and locks
  scm: Only support SCM_RIGHTS on unix domain sockets.
  vhost-net: restart tx poll on sk_sndbuf full
  vhost: fix get_user_pages_fast error handling
  vhost: initialize log eventfd context pointer
  vhost: logging thinko fix
  wireless: convert to use netdev_for_each_mc_addr
  ethtool: do not set some flags, if others failed
  ipoib: returned back addrlen check for mc addresses
  netlink: Adding inode field to /proc/net/netlink
  axnet_cs: add new id
  bridge: Make IGMP snooping depend upon BRIDGE.
  bridge: Add multicast count/interval sysfs entries
  bridge: Add hash elasticity/max sysfs entries
  bridge: Add multicast_snooping sysfs toggle
  ...

Trivial conflicts in Documentation/feature-removal-schedule.txt

1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 1574e52f0594..0548fcbbdcd0 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -335,3 +335,27 @@ enum efx_fc_type efx_mdio_get_pause(struct efx_nic *efx)
 		mii_advertise_flowctrl(efx->wanted_fc),
 		efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_LPA));
 }
+
+int efx_mdio_test_alive(struct efx_nic *efx)
+{
+	int rc;
+	int devad = __ffs(efx->mdio.mmds);
+	u16 physid1, physid2;
+
+	mutex_lock(&efx->mac_lock);
+
+	physid1 = efx_mdio_read(efx, devad, MDIO_DEVID1);
+	physid2 = efx_mdio_read(efx, devad, MDIO_DEVID2);
+
+	if ((physid1 == 0x0000) || (physid1 == 0xffff) ||
+	    (physid2 == 0x0000) || (physid2 == 0xffff)) {
+		EFX_ERR(efx, "no MDIO PHY present with ID %d\n",
+			efx->mdio.prtad);
+		rc = -EINVAL;
+	} else {
+		rc = efx_mdio_check_mmds(efx, efx->mdio.mmds, 0);
+	}
+
+	mutex_unlock(&efx->mac_lock);
+	return rc;
+}