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authorIngo Molnar <mingo@elte.hu>2008-06-25 12:27:29 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-25 12:27:29 +0200
commit5ce001b0e56638c726270d4f9e05d46d4250dfbb (patch)
treec21cf007ddef99d5e8b23dde9621bd9152e676a8 /drivers/net/forcedeth.c
parent7c9f8861e6c9c839f913e49b98c3854daca18f27 (diff)
parent543cf4cb3fe6f6cae3651ba918b9c56200b257d0 (diff)
Merge branch 'linus' into stackprotectortip-stackprotector-2008-06-25_10.27_Wed
Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r--drivers/net/forcedeth.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 35f66d4a4595..2cb244763292 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -3273,6 +3273,20 @@ 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;
@@ -3295,6 +3309,8 @@ 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);
@@ -3410,6 +3426,8 @@ 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);
@@ -3750,6 +3768,8 @@ 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);
@@ -5823,6 +5843,7 @@ static int nv_resume(struct pci_dev *pdev)
writel(txreg, base + NvRegTransmitPoll);
rc = nv_open(dev);
+ nv_set_multicast(dev);
out:
return rc;
}