From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Thu, 6 Aug 2009 04:41:49 +0000 (+0000)
Subject: tc35815: Use 0 RxFragSize.MinFrag value for non-packing mode
X-Git-Tag: v2.6.32-rc1~703^2~454
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=a48ec346fcb095f6a0e74a57165f9a9a3b23b95a;p=~shefty%2Frdma-dev.git

tc35815: Use 0 RxFragSize.MinFrag value for non-packing mode

The datasheet say "When not enabling packing, the MinFrag value must
remain at 0".  Do not set value to RxFragSize register if
TC35815_USE_PACKEDBUFFER disabled.

This is not a bugfix.  No real problem reported on this.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index 411cc0e5f7a..d1298e5b72c 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -2394,8 +2394,6 @@ static void tc35815_chip_init(struct net_device *dev)
 		tc_writel(DMA_BURST_SIZE, &tr->DMA_Ctl);
 #ifdef TC35815_USE_PACKEDBUFFER
 	tc_writel(RxFrag_EnPack | ETH_ZLEN, &tr->RxFragSize);	/* Packing */
-#else
-	tc_writel(ETH_ZLEN, &tr->RxFragSize);
 #endif
 	tc_writel(0, &tr->TxPollCtr);	/* Batch mode */
 	tc_writel(TX_THRESHOLD, &tr->TxThrsh);