pasemi_mac: Fix TX interrupt threshold

It was mistakenly set to interrupt on the second packet instead of first, causing
some interesting latency behaviour.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index 8d38425..0b3066a 100644 (file)
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -755,7 +755,7 @@ static int pasemi_mac_open(struct net_device *dev)
        flags |= PAS_MAC_CFG_PCFG_TSR_1G | PAS_MAC_CFG_PCFG_SPD_1G;
 
        pci_write_config_dword(mac->iob_pdev, PAS_IOB_DMA_RXCH_CFG(mac->dma_rxch),
-                              PAS_IOB_DMA_RXCH_CFG_CNTTH(1));
+                              PAS_IOB_DMA_RXCH_CFG_CNTTH(0));
 
        pci_write_config_dword(mac->iob_pdev, PAS_IOB_DMA_TXCH_CFG(mac->dma_txch),
                               PAS_IOB_DMA_TXCH_CFG_CNTTH(32));