From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: [PATCH v4 02/10] net/fec: remove the use of "index" which is legacy Date: Thu, 6 Jan 2011 15:13:10 +0800 Message-ID: <1294297998-26930-3-git-send-email-shawn.guo@freescale.com> References: <1294297998-26930-1-git-send-email-shawn.guo@freescale.com> Mime-Version: 1.0 Content-Type: text/plain To: , , , , , , , Received: from am1ehsobe005.messaging.microsoft.com ([213.199.154.208]:26722 "EHLO AM1EHSOBE005.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753972Ab1AFHLk (ORCPT ); Thu, 6 Jan 2011 02:11:40 -0500 In-Reply-To: <1294297998-26930-1-git-send-email-shawn.guo@freescale.com> Sender: netdev-owner@vger.kernel.org List-ID: The "index" becomes legacy since fep->pdev->id starts working to identify the instance. Moreover, the call of fec_enet_init(ndev, 0) always passes 0 to fep->index. This makes the following code in fec_get_mac buggy. /* Adjust MAC if using default MAC address */ if (iap == fec_mac_default) dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; It may be the time to remove "index" and use fep->pdev->id instead. Signed-off-by: Shawn Guo --- drivers/net/fec.c | 9 +++------ 1 files changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 52e9ca8..47f6b3b 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -186,7 +186,6 @@ struct fec_enet_private { int mii_timeout; uint phy_speed; phy_interface_t phy_interface; - int index; int link; int full_duplex; struct completion mdio_done; @@ -566,7 +565,7 @@ static void __inline__ fec_get_mac(struct net_device *dev) /* Adjust MAC if using default MAC address */ if (iap == fec_mac_default) - dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; + dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->pdev->id; } #endif @@ -1067,9 +1066,8 @@ static const struct net_device_ops fec_netdev_ops = { /* * XXX: We need to clean up on failure exits here. * - * index is only used in legacy code */ -static int fec_enet_init(struct net_device *dev, int index) +static int fec_enet_init(struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); struct bufdesc *cbd_base; @@ -1086,7 +1084,6 @@ static int fec_enet_init(struct net_device *dev, int index) spin_lock_init(&fep->hw_lock); - fep->index = index; fep->hwp = (void __iomem *)dev->base_addr; fep->netdev = dev; @@ -1316,7 +1313,7 @@ fec_probe(struct platform_device *pdev) } clk_enable(fep->clk); - ret = fec_enet_init(ndev, 0); + ret = fec_enet_init(ndev); if (ret) goto failed_init; -- 1.7.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@freescale.com (Shawn Guo) Date: Thu, 6 Jan 2011 15:13:10 +0800 Subject: [PATCH v4 02/10] net/fec: remove the use of "index" which is legacy In-Reply-To: <1294297998-26930-1-git-send-email-shawn.guo@freescale.com> References: <1294297998-26930-1-git-send-email-shawn.guo@freescale.com> Message-ID: <1294297998-26930-3-git-send-email-shawn.guo@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The "index" becomes legacy since fep->pdev->id starts working to identify the instance. Moreover, the call of fec_enet_init(ndev, 0) always passes 0 to fep->index. This makes the following code in fec_get_mac buggy. /* Adjust MAC if using default MAC address */ if (iap == fec_mac_default) dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; It may be the time to remove "index" and use fep->pdev->id instead. Signed-off-by: Shawn Guo --- drivers/net/fec.c | 9 +++------ 1 files changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 52e9ca8..47f6b3b 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -186,7 +186,6 @@ struct fec_enet_private { int mii_timeout; uint phy_speed; phy_interface_t phy_interface; - int index; int link; int full_duplex; struct completion mdio_done; @@ -566,7 +565,7 @@ static void __inline__ fec_get_mac(struct net_device *dev) /* Adjust MAC if using default MAC address */ if (iap == fec_mac_default) - dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; + dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->pdev->id; } #endif @@ -1067,9 +1066,8 @@ static const struct net_device_ops fec_netdev_ops = { /* * XXX: We need to clean up on failure exits here. * - * index is only used in legacy code */ -static int fec_enet_init(struct net_device *dev, int index) +static int fec_enet_init(struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); struct bufdesc *cbd_base; @@ -1086,7 +1084,6 @@ static int fec_enet_init(struct net_device *dev, int index) spin_lock_init(&fep->hw_lock); - fep->index = index; fep->hwp = (void __iomem *)dev->base_addr; fep->netdev = dev; @@ -1316,7 +1313,7 @@ fec_probe(struct platform_device *pdev) } clk_enable(fep->clk); - ret = fec_enet_init(ndev, 0); + ret = fec_enet_init(ndev); if (ret) goto failed_init; -- 1.7.1