bnx2x: Change coalescing granularity to 4us

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index c3b32f7..928942b 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -1191,7 +1191,7 @@
 #define MAX_SP_DESC_CNT			(SP_DESC_CNT - 1)
 
 
-#define BNX2X_BTR			3
+#define BNX2X_BTR			1
 #define MAX_SPQ_PENDING			8