korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-09-22 22:11:38 +08:00
Code Issues Packages Projects Releases Wiki Activity

Davinci: Do not reset EMAC TX overruns counter on read

Browse Source 
Don't reset tx_fifo_errors when reading out current EMAC stats.
  (tx_fifo_errors shows up as TX overruns in netdev stats.)

Without this correction, the old counter value is lost every time
stats are read out.

Signed-off-by: Thomas Lange <thomas@corelatus.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Lange 2011-03-09 04:41:16 +00:00 committed by David S. Miller
parent 0b32211164
commit 60aeba2310
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/davinci_emac.c
View File

@ -1730,7 +1730,7 @@ static struct net_device_stats *emac_dev_getnetstats(struct net_device *ndev)
emac_read(EMAC_TXCARRIERSENSE);
emac_write(EMAC_TXCARRIERSENSE, stats_clear_mask);
ndev->stats.tx_fifo_errors = emac_read(EMAC_TXUNDERRUN);
ndev->stats.tx_fifo_errors += emac_read(EMAC_TXUNDERRUN);
emac_write(EMAC_TXUNDERRUN, stats_clear_mask);
return &ndev->stats;