diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/msi.c | 35 | ||||
| -rw-r--r-- | drivers/pci/pci-driver.c | 2 |
2 files changed, 28 insertions, 9 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index e3a05cc9a595..8c61304cbb37 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -571,10 +571,9 @@ int pci_enable_msi(struct pci_dev* dev) } EXPORT_SYMBOL(pci_enable_msi); -void pci_disable_msi(struct pci_dev* dev) +void pci_msi_shutdown(struct pci_dev* dev) { struct msi_desc *entry; - int default_irq; if (!pci_msi_enable || !dev || !dev->msi_enabled) return; @@ -590,15 +589,26 @@ void pci_disable_msi(struct pci_dev* dev) u32 mask = entry->msi_attrib.maskbits_mask; msi_set_mask_bits(dev->irq, mask, ~mask); } - if (!entry->dev || entry->msi_attrib.type != PCI_CAP_ID_MSI) { + if (!entry->dev || entry->msi_attrib.type != PCI_CAP_ID_MSI) return; - } - - default_irq = entry->msi_attrib.default_irq; - msi_free_irqs(dev); /* Restore dev->irq to its default pin-assertion irq */ - dev->irq = default_irq; + dev->irq = entry->msi_attrib.default_irq; +} +void pci_disable_msi(struct pci_dev* dev) +{ + struct msi_desc *entry; + + if (!pci_msi_enable || !dev || !dev->msi_enabled) + return; + + pci_msi_shutdown(dev); + + entry = list_entry(dev->msi_list.next, struct msi_desc, list); + if (!entry->dev || entry->msi_attrib.type != PCI_CAP_ID_MSI) + return; + + msi_free_irqs(dev); } EXPORT_SYMBOL(pci_disable_msi); @@ -691,7 +701,7 @@ static void msix_free_all_irqs(struct pci_dev *dev) msi_free_irqs(dev); } -void pci_disable_msix(struct pci_dev* dev) +void pci_msix_shutdown(struct pci_dev* dev) { if (!pci_msi_enable || !dev || !dev->msix_enabled) return; @@ -699,6 +709,13 @@ void pci_disable_msix(struct pci_dev* dev) msix_set_enable(dev, 0); pci_intx_for_msi(dev, 1); dev->msix_enabled = 0; +} +void pci_disable_msix(struct pci_dev* dev) +{ + if (!pci_msi_enable || !dev || !dev->msix_enabled) + return; + + pci_msix_shutdown(dev); msix_free_all_irqs(dev); } diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index e8d94fafc280..72cf61ed8f96 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -360,6 +360,8 @@ static void pci_device_shutdown(struct device *dev) if (drv && drv->shutdown) drv->shutdown(pci_dev); + pci_msi_shutdown(pci_dev); + pci_msix_shutdown(pci_dev); } /** |