Messages in this thread Patch in this message | | | Date | Thu, 05 Feb 2009 21:00:30 -0800 | From | Yinghai Lu <> | Subject | [PATCH] forcedeth: don't clear nic_poll_irq too early |
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Impact: fix bug
for msix, we still need that flag to enable irq respectively
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
--- drivers/net/forcedeth.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
Index: linux-2.6/drivers/net/forcedeth.c =================================================================== --- linux-2.6.orig/drivers/net/forcedeth.c +++ linux-2.6/drivers/net/forcedeth.c @@ -4057,8 +4057,6 @@ static void nv_do_nic_poll(unsigned long mask |= NVREG_IRQ_OTHER; } } - np->nic_poll_irq = 0; - /* disable_irq() contains synchronize_irq, thus no irq handler can run now */ if (np->recover_error) { @@ -4096,11 +4094,11 @@ static void nv_do_nic_poll(unsigned long } } - writel(mask, base + NvRegIrqMask); pci_push(base); if (!using_multi_irqs(dev)) { + np->nic_poll_irq = 0; if (nv_optimized(np)) nv_nic_irq_optimized(0, dev); else @@ -4111,18 +4109,22 @@ static void nv_do_nic_poll(unsigned long enable_irq_lockdep(np->pci_dev->irq); } else { if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { + np->nic_poll_irq &= ~NVREG_IRQ_RX_ALL; nv_nic_irq_rx(0, dev); enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); } if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { + np->nic_poll_irq &= ~NVREG_IRQ_TX_ALL; nv_nic_irq_tx(0, dev); enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); } if (np->nic_poll_irq & NVREG_IRQ_OTHER) { + np->nic_poll_irq &= ~NVREG_IRQ_OTHER; nv_nic_irq_other(0, dev); enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); } } + } #ifdef CONFIG_NET_POLL_CONTROLLER
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