netdev: bunch of drivers: avoid WARN at net/core/dev.c:1328

The drivers were touching net queue before it has been started, so
without this patch, the drivers will potentially WARN at
net/core/dev.c:1328.

I don't have the hardware for the drivers below, so this patch is
untested, and thus should be carefully peer reviewed.

tc35815.c
au1000_eth.c
bfin_mac.c
macb.c
^ The four drivers are using phylib, they're calling netif_start_queue()
in open() callback. So trivially remove netif_tx_schedule_all().
Phylib will handle netif_carrier_*().

cpmac.c
fec_mpc52xx.c
fs_enet/fs_enet-main.c
sh_eth.c
^ The same as above, but these were also needlessly calling
netif_carrier_*() functions. So removed queue calls and also remove
carrier calls, since phylib will handle it. fs_enet-main.c also didn't
call netif_start_queue() at open(), this is fixed now.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
index 3ab61e4..cb8be49 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -911,9 +911,8 @@ au1000_adjust_link(struct net_device *dev)
 	if(phydev->link != aup->old_link) {
 		// link state changed
 
-		if (phydev->link) // link went up
-			netif_tx_schedule_all(dev);
-		else { // link went down
+		if (!phydev->link) {
+			/* link went down */
 			aup->old_speed = 0;
 			aup->old_duplex = -1;
 		}