diff options
| author | David S. Miller <davem@davemloft.net> | 2008-06-13 20:52:39 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-06-13 20:52:39 -0700 |
| commit | 4ae127d1b6c71f9240dd4245f240e6dd8fc98014 (patch) | |
| tree | b7aa27b3e0c655f4613fe2146cb57d7f69e421f6 /drivers/net/forcedeth.c | |
| parent | 875ec4333b99144e2589e900a0bcd2c25c757b27 (diff) | |
| parent | 7775c9753b94fe429dc4323360d6502c95e0dd6e (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/smc911x.c
Diffstat (limited to 'drivers/net/forcedeth.c')
| -rw-r--r-- | drivers/net/forcedeth.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index e4d69789436..c980ce9719a 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -3277,6 +3277,20 @@ static void nv_link_irq(struct net_device *dev) dprintk(KERN_DEBUG "%s: link change notification done.\n", dev->name); } +static void nv_msi_workaround(struct fe_priv *np) +{ + + /* Need to toggle the msi irq mask within the ethernet device, + * otherwise, future interrupts will not be detected. + */ + if (np->msi_flags & NV_MSI_ENABLED) { + u8 __iomem *base = np->base; + + writel(0, base + NvRegMSIIrqMask); + writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask); + } +} + static irqreturn_t nv_nic_irq(int foo, void *data) { struct net_device *dev = (struct net_device *) data; @@ -3299,6 +3313,8 @@ static irqreturn_t nv_nic_irq(int foo, void *data) if (!(events & np->irqmask)) break; + nv_msi_workaround(np); + spin_lock(&np->lock); nv_tx_done(dev); spin_unlock(&np->lock); @@ -3414,6 +3430,8 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data) if (!(events & np->irqmask)) break; + nv_msi_workaround(np); + spin_lock(&np->lock); nv_tx_done_optimized(dev, TX_WORK_PER_LOOP); spin_unlock(&np->lock); @@ -3754,6 +3772,8 @@ static irqreturn_t nv_nic_irq_test(int foo, void *data) if (!(events & NVREG_IRQ_TIMER)) return IRQ_RETVAL(0); + nv_msi_workaround(np); + spin_lock(&np->lock); np->intr_test = 1; spin_unlock(&np->lock); |