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Davinci: Do not reset EMAC TX overruns counter on read

Message ID 4D77918C.9050800@corelatus.se (mailing list archive)
State Awaiting Upstream
Headers show

Commit Message

Thomas Lange March 9, 2011, 2:41 p.m. UTC 
None
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Patch

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 2a628d1..922c8c5 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -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;