commit 16ac3158d40f5d682f3407df6a8702e0bb6e1cac
author Rob Herring <rob.herring@calxeda.com> Fri Jun 01 16:45:36 2012 -0500
committer John Rigby <john.rigby@linaro.org> Thu Dec 06 13:51:50 2012 -0700
tree 61aee14d17d1c04255a901333a4c8750bd1cf5f4
parent 4d82bee32b30d42516c53e168791c879ad762919

net: calxedaxgmac: disable pause frame transmit

The xgmac receiver will only have buffer if we are doing a network
command, so we want to just drop frames rather than send pause frames.

Also, enable rx cut-thru for better performance.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>

drivers/net/calxedaxgmac.c

diff --git a/drivers/net/calxedaxgmac.c b/drivers/net/calxedaxgmac.c
index e3553d6..333c400 100644
--- a/drivers/net/calxedaxgmac.c
+++ b/drivers/net/calxedaxgmac.c
@@ -400,13 +400,13 @@
 	/* set flow control parameters and store and forward mode */
 	value = (FIFO_MINUS_12K << XGMAC_CORE_OMR_RFD_SHIFT) |
 		(FIFO_MINUS_4K << XGMAC_CORE_OMR_RFA_SHIFT) |
-		XGMAC_CORE_OMR_EFC | XGMAC_CORE_OMR_TSF | XGMAC_CORE_OMR_RSF;
+		XGMAC_CORE_OMR_EFC | XGMAC_CORE_OMR_TSF;
 	writel(value, &regs->core_opmode);
 
 	/* enable pause frames */
 	value = (1024 << XGMAC_CORE_FLOW_PT_SHIFT) |
 		(1 << XGMAC_CORE_FLOW_PLT_SHIFT) |
-		XGMAC_CORE_FLOW_UP | XGMAC_CORE_FLOW_RFE | XGMAC_CORE_FLOW_TFE;
+		XGMAC_CORE_FLOW_UP | XGMAC_CORE_FLOW_RFE;
 	writel(value, &regs->flow_control);
 
 	/* Initialize the descriptor chains */