EMAC driver: shorten the mdelay value to solve netperf performance issue
authorBryan Wu <bryan.wu@analog.com>
Wed, 30 Jan 2008 08:52:21 +0000 (16:52 +0800)
committerDavid S. Miller <davem@davemloft.net>
Sun, 3 Feb 2008 12:28:46 +0000 (04:28 -0800)
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>
drivers/net/bfin_mac.c

index eb971755a3ff34c5b8f76d5b8b63bf5f3a83aad0..4006a5dea654d43dda723e31692ed9cb85e2c056 100644 (file)
@@ -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;