From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bryan Wu Subject: [PATCH 1/8] [Blackfin] EMAC driver: shorten the mdelay value to solve netperf performance issue Date: Wed, 30 Jan 2008 16:52:21 +0800 Message-ID: <1201683148-23931-2-git-send-email-bryan.wu@analog.com> References: <1201683148-23931-1-git-send-email-bryan.wu@analog.com> Cc: linux-kernel@vger.kernel.org, Bryan Wu To: jeff@garzik.org, netdev@vger.kernel.org Return-path: Received: from nwd2mail10.analog.com ([137.71.25.55]:33791 "EHLO nwd2mail10.analog.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754809AbYA3Iwg (ORCPT ); Wed, 30 Jan 2008 03:52:36 -0500 In-Reply-To: <1201683148-23931-1-git-send-email-bryan.wu@analog.com> Sender: netdev-owner@vger.kernel.org List-ID: Signed-off-by: Bryan Wu --- 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