Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751053AbWINC7W (ORCPT ); Wed, 13 Sep 2006 22:59:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751049AbWINC7V (ORCPT ); Wed, 13 Sep 2006 22:59:21 -0400 Received: from msr15.hinet.net ([168.95.4.115]:25571 "EHLO msr15.hinet.net") by vger.kernel.org with ESMTP id S1751047AbWINC7U (ORCPT ); Wed, 13 Sep 2006 22:59:20 -0400 Subject: [PATCH 3/4] IP100A: Correct initial and close hardware step. 2006-08-24 From: Jesse Huang To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, akpm@osdl.org, jgarzik@pobox.com, jesse@icplus.com.tw Content-Type: text/plain Date: Thu, 14 Sep 2006 10:45:33 -0400 Message-Id: <1158245133.2184.4.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.0 (2.6.0-1) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1592 Lines: 56 From: Jesse Huang Change Logs: - Correct initial and close hardware step. Signed-off-by: Jesse Huang --- drivers/net/sundance.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) 419599b10f1253ccd7224bbd369924307e1e5bb6 diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c index dd41ee2..04ad4d8 100755 --- a/drivers/net/sundance.c +++ b/drivers/net/sundance.c @@ -787,6 +787,7 @@ static int netdev_open(struct net_device { struct netdev_private *np = netdev_priv(dev); void __iomem *ioaddr = np->base; + unsigned long flags; int i; /* Do we need to reset the chip??? */ @@ -831,6 +832,10 @@ #endif iowrite8(0x01, ioaddr + DebugCtrl1); netif_start_queue(dev); + spin_lock_irqsave(&np->lock, flags); + reset_tx(dev); + spin_unlock_irqrestore(&np->lock, flags); + iowrite16 (StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1); if (netif_msg_ifup(np)) @@ -1656,6 +1661,9 @@ static int netdev_close(struct net_devic /* Disable interrupts by clearing the interrupt mask. */ iowrite16(0x0000, ioaddr + IntrEnable); + /* Disable Rx and Tx DMA for safely release resource */ + iowrite32(0x500, ioaddr + DMACtrl); + /* Stop the chip's Tx and Rx processes. */ iowrite16(TxDisable | RxDisable | StatsDisable, ioaddr + MACCtrl1); -- 1.3.GIT - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/