Commit 60aeba23 authored Mar 09, 2011 by Thomas Lange Committed by David S. Miller Mar 14, 2011

Davinci: Do not reset EMAC TX overruns counter on read



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>

parent 0b322111

drivers/net/davinci_emac.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;