This patch hooks up the emac_dump_regs() function to use cpdma dump routines.
Further, we dump registers on transmit timeout, to make such timeouts
debuggable.
Signed-off-by: Cyril Chemparathy <cy...@ti.com>
Signed-off-by: Michael Williamson <michael.william...@criticallink.com>
Signed-off-by: Caglar Akyuz <caglarak...@gmail.com>
---
drivers/net/davinci_emac.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 9e866ae..2a628d1 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -460,6 +460,8 @@ static void emac_dump_regs(struct emac_priv *priv)
emac_read(EMAC_RXMOFOVERRUNS));
dev_info(emac_dev, "EMAC: rx_dma_overruns:%d\n",
emac_read(EMAC_RXDMAOVERRUNS));
+
+ cpdma_ctlr_dump(priv->dma);
}
/**
@@ -1115,6 +1117,8 @@ static void emac_dev_tx_timeout(struct net_device *ndev)
if (netif_msg_tx_err(priv))
dev_err(emac_dev, "DaVinci EMAC: xmit timeout, restarting TX");
+ emac_dump_regs(priv);
+
ndev->stats.tx_errors++;
emac_int_disable(priv);
cpdma_chan_stop(priv->txchan);
--
1.7.0.4
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