diff options
Diffstat (limited to 'drivers/net/tc35815.c')
| -rw-r--r-- | drivers/net/tc35815.c | 60 |
1 files changed, 26 insertions, 34 deletions
diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c index a7581632f811..62965d6665d2 100644 --- a/drivers/net/tc35815.c +++ b/drivers/net/tc35815.c @@ -1541,8 +1541,6 @@ static int tc35815_do_interrupt(struct net_device *dev, u32 status) #endif { struct tc35815_local *lp = netdev_priv(dev); - struct tc35815_regs __iomem *tr = - (struct tc35815_regs __iomem *)dev->base_addr; int ret = -1; /* Fatal errors... */ @@ -1552,27 +1550,26 @@ static int tc35815_do_interrupt(struct net_device *dev, u32 status) } /* recoverable errors */ if (status & Int_IntFDAEx) { - /* disable FDAEx int. (until we make rooms...) */ - tc_writel(tc_readl(&tr->Int_En) & ~Int_FDAExEn, &tr->Int_En); - printk(KERN_WARNING - "%s: Free Descriptor Area Exhausted (%#x).\n", - dev->name, status); + if (netif_msg_rx_err(lp)) + dev_warn(&dev->dev, + "Free Descriptor Area Exhausted (%#x).\n", + status); dev->stats.rx_dropped++; ret = 0; } if (status & Int_IntBLEx) { - /* disable BLEx int. (until we make rooms...) */ - tc_writel(tc_readl(&tr->Int_En) & ~Int_BLExEn, &tr->Int_En); - printk(KERN_WARNING - "%s: Buffer List Exhausted (%#x).\n", - dev->name, status); + if (netif_msg_rx_err(lp)) + dev_warn(&dev->dev, + "Buffer List Exhausted (%#x).\n", + status); dev->stats.rx_dropped++; ret = 0; } if (status & Int_IntExBD) { - printk(KERN_WARNING - "%s: Excessive Buffer Descriptiors (%#x).\n", - dev->name, status); + if (netif_msg_rx_err(lp)) + dev_warn(&dev->dev, + "Excessive Buffer Descriptiors (%#x).\n", + status); dev->stats.rx_length_errors++; ret = 0; } @@ -1631,8 +1628,12 @@ static irqreturn_t tc35815_interrupt(int irq, void *dev_id) spin_lock(&lp->lock); status = tc_readl(&tr->Int_Src); - tc_writel(status, &tr->Int_Src); /* write to clear */ + /* BLEx, FDAEx will be cleared later */ + tc_writel(status & ~(Int_BLEx | Int_FDAEx), + &tr->Int_Src); /* write to clear */ handled = tc35815_do_interrupt(dev, status); + if (status & (Int_BLEx | Int_FDAEx)) + tc_writel(status & (Int_BLEx | Int_FDAEx), &tr->Int_Src); (void)tc_readl(&tr->Int_Src); /* flush */ spin_unlock(&lp->lock); return IRQ_RETVAL(handled >= 0); @@ -1660,8 +1661,6 @@ tc35815_rx(struct net_device *dev) struct tc35815_local *lp = netdev_priv(dev); unsigned int fdctl; int i; - int buf_free_count = 0; - int fd_free_count = 0; #ifdef TC35815_NAPI int received = 0; #endif @@ -1770,8 +1769,9 @@ tc35815_rx(struct net_device *dev) dev->stats.rx_bytes += pkt_len; } else { dev->stats.rx_errors++; - printk(KERN_DEBUG "%s: Rx error (status %x)\n", - dev->name, status & Rx_Stat_Mask); + if (netif_msg_rx_err(lp)) + dev_info(&dev->dev, "Rx error (status %x)\n", + status & Rx_Stat_Mask); /* WORKAROUND: LongErr and CRCErr means Overflow. */ if ((status & Rx_LongErr) && (status & Rx_CRCErr)) { status &= ~(Rx_LongErr|Rx_CRCErr); @@ -1849,7 +1849,6 @@ tc35815_rx(struct net_device *dev) #else lp->fbl_count++; #endif - buf_free_count++; } } @@ -1871,7 +1870,6 @@ tc35815_rx(struct net_device *dev) #endif lp->rfd_cur->fd.FDCtl = cpu_to_le32(FD_CownsFD); lp->rfd_cur++; - fd_free_count++; } if (lp->rfd_cur > lp->rfd_limit) lp->rfd_cur = lp->rfd_base; @@ -1882,17 +1880,6 @@ tc35815_rx(struct net_device *dev) #endif } - /* re-enable BL/FDA Exhaust interrupts. */ - if (fd_free_count) { - struct tc35815_regs __iomem *tr = - (struct tc35815_regs __iomem *)dev->base_addr; - u32 en, en_old = tc_readl(&tr->Int_En); - en = en_old | Int_FDAExEn; - if (buf_free_count) - en |= Int_BLExEn; - if (en != en_old) - tc_writel(en, &tr->Int_En); - } #ifdef TC35815_NAPI return received; #endif @@ -1911,9 +1898,14 @@ static int tc35815_poll(struct napi_struct *napi, int budget) spin_lock(&lp->lock); status = tc_readl(&tr->Int_Src); do { - tc_writel(status, &tr->Int_Src); /* write to clear */ + /* BLEx, FDAEx will be cleared later */ + tc_writel(status & ~(Int_BLEx | Int_FDAEx), + &tr->Int_Src); /* write to clear */ handled = tc35815_do_interrupt(dev, status, budget - received); + if (status & (Int_BLEx | Int_FDAEx)) + tc_writel(status & (Int_BLEx | Int_FDAEx), + &tr->Int_Src); if (handled >= 0) { received += handled; if (received >= budget) |