From: Bryan Wu <bryan.wu@analog.com>
Date: Wed, 30 Jan 2008 08:52:21 +0000 (+0800)
Subject: EMAC driver: shorten the mdelay value to solve netperf performance issue
X-Git-Tag: v2.6.25-rc1~1065^2~13
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6db9e4617e9bdf9d31fbea165b10cb95318adf8c;p=linux-2.6

EMAC driver: shorten the mdelay value to solve netperf performance issue

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index eb971755a3..4006a5dea6 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -296,7 +296,7 @@ static void mdio_poll(void)
 
 	/* poll the STABUSY bit */
 	while ((bfin_read_EMAC_STAADD()) & STABUSY) {
-		mdelay(10);
+		udelay(1);
 		if (timeout_cnt-- < 0) {
 			printk(KERN_ERR DRV_NAME
 			": wait MDC/MDIO transaction to complete timeout\n");
@@ -551,7 +551,7 @@ static void adjust_tx_list(void)
 	 */
 	if (current_tx_ptr->next->next == tx_list_head) {
 		while (tx_list_head->status.status_word == 0) {
-			mdelay(10);
+			mdelay(1);
 			if (tx_list_head->status.status_word != 0
 			    || !(bfin_read_DMA2_IRQ_STATUS() & 0x08)) {
 				goto adjust_head;