From d710ce135731c101b6fc131c07f3db0cdb0d95fd Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Fri, 9 Mar 2012 11:57:26 +0100 Subject: [PATCH] natsemi: stop using net_device.{base_addr, irq}. It's useless to check mem_start on a newly allocated device. Signed-off-by: Francois Romieu Cc: Tim Hockin --- drivers/net/ethernet/natsemi/natsemi.c | 67 +++++++++++++++----------- 1 file changed, 39 insertions(+), 28 deletions(-) diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c index d38e48d4f430..5b61d12f8b91 100644 --- a/drivers/net/ethernet/natsemi/natsemi.c +++ b/drivers/net/ethernet/natsemi/natsemi.c @@ -547,6 +547,7 @@ struct netdev_private { struct sk_buff *tx_skbuff[TX_RING_SIZE]; dma_addr_t tx_dma[TX_RING_SIZE]; struct net_device *dev; + void __iomem *ioaddr; struct napi_struct napi; /* Media monitoring timer */ struct timer_list timer; @@ -699,7 +700,9 @@ static ssize_t natsemi_set_dspcfg_workaround(struct device *dev, static inline void __iomem *ns_ioaddr(struct net_device *dev) { - return (void __iomem *) dev->base_addr; + struct netdev_private *np = netdev_priv(dev); + + return np->ioaddr; } static inline void natsemi_irq_enable(struct net_device *dev) @@ -863,10 +866,9 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev, /* Store MAC Address in perm_addr */ memcpy(dev->perm_addr, dev->dev_addr, ETH_ALEN); - dev->base_addr = (unsigned long __force) ioaddr; - dev->irq = irq; - np = netdev_priv(dev); + np->ioaddr = ioaddr; + netif_napi_add(dev, &np->napi, natsemi_poll, 64); np->dev = dev; @@ -914,9 +916,6 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev, } option = find_cnt < MAX_UNITS ? options[find_cnt] : 0; - if (dev->mem_start) - option = dev->mem_start; - /* The lower four bits are the media type. */ if (option) { if (option & 0x200) @@ -1532,20 +1531,21 @@ static int netdev_open(struct net_device *dev) { struct netdev_private *np = netdev_priv(dev); void __iomem * ioaddr = ns_ioaddr(dev); + const int irq = np->pci_dev->irq; int i; /* Reset the chip, just in case. */ natsemi_reset(dev); - i = request_irq(dev->irq, intr_handler, IRQF_SHARED, dev->name, dev); + i = request_irq(irq, intr_handler, IRQF_SHARED, dev->name, dev); if (i) return i; if (netif_msg_ifup(np)) printk(KERN_DEBUG "%s: netdev_open() irq %d.\n", - dev->name, dev->irq); + dev->name, irq); i = alloc_ring(dev); if (i < 0) { - free_irq(dev->irq, dev); + free_irq(irq, dev); return i; } napi_enable(&np->napi); @@ -1794,6 +1794,7 @@ static void netdev_timer(unsigned long data) struct netdev_private *np = netdev_priv(dev); void __iomem * ioaddr = ns_ioaddr(dev); int next_tick = NATSEMI_TIMER_FREQ; + const int irq = np->pci_dev->irq; if (netif_msg_timer(np)) { /* DO NOT read the IntrStatus register, @@ -1817,14 +1818,14 @@ static void netdev_timer(unsigned long data) if (netif_msg_drv(np)) printk(KERN_NOTICE "%s: possible phy reset: " "re-initializing\n", dev->name); - disable_irq(dev->irq); + disable_irq(irq); spin_lock_irq(&np->lock); natsemi_stop_rxtx(dev); dump_ring(dev); reinit_ring(dev); init_registers(dev); spin_unlock_irq(&np->lock); - enable_irq(dev->irq); + enable_irq(irq); } else { /* hurry back */ next_tick = HZ; @@ -1841,10 +1842,10 @@ static void netdev_timer(unsigned long data) spin_unlock_irq(&np->lock); } if (np->oom) { - disable_irq(dev->irq); + disable_irq(irq); np->oom = 0; refill_rx(dev); - enable_irq(dev->irq); + enable_irq(irq); if (!np->oom) { writel(RxOn, ioaddr + ChipCmd); } else { @@ -1885,8 +1886,9 @@ static void ns_tx_timeout(struct net_device *dev) { struct netdev_private *np = netdev_priv(dev); void __iomem * ioaddr = ns_ioaddr(dev); + const int irq = np->pci_dev->irq; - disable_irq(dev->irq); + disable_irq(irq); spin_lock_irq(&np->lock); if (!np->hands_off) { if (netif_msg_tx_err(np)) @@ -1905,7 +1907,7 @@ static void ns_tx_timeout(struct net_device *dev) dev->name); } spin_unlock_irq(&np->lock); - enable_irq(dev->irq); + enable_irq(irq); dev->trans_start = jiffies; /* prevent tx timeout */ dev->stats.tx_errors++; @@ -2470,9 +2472,12 @@ static struct net_device_stats *get_stats(struct net_device *dev) #ifdef CONFIG_NET_POLL_CONTROLLER static void natsemi_poll_controller(struct net_device *dev) { - disable_irq(dev->irq); - intr_handler(dev->irq, dev); - enable_irq(dev->irq); + struct netdev_private *np = netdev_priv(dev); + const int irq = np->pci_dev->irq; + + disable_irq(irq); + intr_handler(irq, dev); + enable_irq(irq); } #endif @@ -2523,8 +2528,9 @@ static int natsemi_change_mtu(struct net_device *dev, int new_mtu) if (netif_running(dev)) { struct netdev_private *np = netdev_priv(dev); void __iomem * ioaddr = ns_ioaddr(dev); + const int irq = np->pci_dev->irq; - disable_irq(dev->irq); + disable_irq(irq); spin_lock(&np->lock); /* stop engines */ natsemi_stop_rxtx(dev); @@ -2537,7 +2543,7 @@ static int natsemi_change_mtu(struct net_device *dev, int new_mtu) /* restart engines */ writel(RxOn | TxOn, ioaddr + ChipCmd); spin_unlock(&np->lock); - enable_irq(dev->irq); + enable_irq(irq); } return 0; } @@ -3135,6 +3141,7 @@ static int netdev_close(struct net_device *dev) { void __iomem * ioaddr = ns_ioaddr(dev); struct netdev_private *np = netdev_priv(dev); + const int irq = np->pci_dev->irq; if (netif_msg_ifdown(np)) printk(KERN_DEBUG @@ -3156,14 +3163,14 @@ static int netdev_close(struct net_device *dev) */ del_timer_sync(&np->timer); - disable_irq(dev->irq); + disable_irq(irq); spin_lock_irq(&np->lock); natsemi_irq_disable(dev); np->hands_off = 1; spin_unlock_irq(&np->lock); - enable_irq(dev->irq); + enable_irq(irq); - free_irq(dev->irq, dev); + free_irq(irq, dev); /* Interrupt disabled, interrupt handler released, * queue stopped, timer deleted, rtnl_lock held @@ -3256,9 +3263,11 @@ static int natsemi_suspend (struct pci_dev *pdev, pm_message_t state) rtnl_lock(); if (netif_running (dev)) { + const int irq = np->pci_dev->irq; + del_timer_sync(&np->timer); - disable_irq(dev->irq); + disable_irq(irq); spin_lock_irq(&np->lock); natsemi_irq_disable(dev); @@ -3267,7 +3276,7 @@ static int natsemi_suspend (struct pci_dev *pdev, pm_message_t state) netif_stop_queue(dev); spin_unlock_irq(&np->lock); - enable_irq(dev->irq); + enable_irq(irq); napi_disable(&np->napi); @@ -3307,6 +3316,8 @@ static int natsemi_resume (struct pci_dev *pdev) if (netif_device_present(dev)) goto out; if (netif_running(dev)) { + const int irq = np->pci_dev->irq; + BUG_ON(!np->hands_off); ret = pci_enable_device(pdev); if (ret < 0) { @@ -3320,13 +3331,13 @@ static int natsemi_resume (struct pci_dev *pdev) natsemi_reset(dev); init_ring(dev); - disable_irq(dev->irq); + disable_irq(irq); spin_lock_irq(&np->lock); np->hands_off = 0; init_registers(dev); netif_device_attach(dev); spin_unlock_irq(&np->lock); - enable_irq(dev->irq); + enable_irq(irq); mod_timer(&np->timer, round_jiffies(jiffies + 1*HZ)); } -- 2.30.2