[PATCH 1/8] [Blackfin] EMAC driver: shorten the mdelay value to solve netperf performance issue
From: Bryan Wu
Date: Wed Jan 30 2008 - 03:53:48 EST
Signed-off-by: Bryan Wu <bryan.wu@xxxxxxxxxx>
---
drivers/net/bfin_mac.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index eb97175..4006a5d 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;
--
1.5.3.4
--
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