Index: drivers/net/amd8111e.c =================================================================== --- eed337ef5e9ae7d62caa84b7974a11fddc7f06e0/drivers/net/amd8111e.c (mode:100755 sha1:f2e937abf7b4d8c639675100dd5ffc74c5323ebe) +++ d01ca6357ecdeb874bcf8ff3ea9a2131afd41862/drivers/net/amd8111e.c (mode:100755 sha1:b7dd7260cafbf137656a3f50059a7136b55ec661) @@ -738,6 +738,7 @@ short vtag; #endif int rx_pkt_limit = dev->quota; + unsigned long flags; do{ /* process receive packets until we use the quota*/ @@ -841,18 +842,19 @@ /* Receive descriptor is empty now */ dev->quota -= num_rx_pkt; *budget -= num_rx_pkt; + + spin_lock_irqsave(&lp->lock, flags); netif_rx_complete(dev); - /* enable receive interrupt */ writel(VAL0|RINTEN0, mmio + INTEN0); writel(VAL2 | RDMD0, mmio + CMD0); + spin_unlock_irqrestore(&lp->lock, flags); return 0; + rx_not_empty: /* Do not call a netif_rx_complete */ dev->quota -= num_rx_pkt; *budget -= num_rx_pkt; return 1; - - } #else @@ -1261,18 +1263,20 @@ struct net_device * dev = (struct net_device *) dev_id; struct amd8111e_priv *lp = netdev_priv(dev); void __iomem *mmio = lp->mmio; - unsigned int intr0; + unsigned int intr0, intren0; unsigned int handled = 1; - if(dev == NULL) + if(unlikely(dev == NULL)) return IRQ_NONE; - if (regs) spin_lock (&lp->lock); + spin_lock(&lp->lock); + /* disabling interrupt */ writel(INTREN, mmio + CMD0); /* Read interrupt status */ intr0 = readl(mmio + INT0); + intren0 = readl(mmio + INTEN0); /* Process all the INT event until INTR bit is clear. */ @@ -1293,11 +1297,11 @@ /* Schedule a polling routine */ __netif_rx_schedule(dev); } - else { + else if (intren0 & RINTEN0) { printk("************Driver bug! \ interrupt while in poll\n"); - /* Fix by disabling interrupts */ - writel(RINT0, mmio + INT0); + /* Fix by disable receive interrupts */ + writel(RINTEN0, mmio + INTEN0); } } #else @@ -1321,7 +1325,7 @@ err_no_interrupt: writel( VAL0 | INTREN,mmio + CMD0); - if (regs) spin_unlock(&lp->lock); + spin_unlock(&lp->lock); return IRQ_RETVAL(handled); }