diff options
Diffstat (limited to 'drivers/pci/msi.c')
| -rw-r--r-- | drivers/pci/msi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index aea8b258b9b8..a77e79c8c82e 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -765,8 +765,11 @@ void pci_disable_msi(struct pci_dev* dev) u16 control; unsigned long flags; + if (!pci_msi_enable) + return; if (!dev) return; + pos = pci_find_capability(dev, PCI_CAP_ID_MSI); if (!pos) return; @@ -1026,6 +1029,8 @@ void pci_disable_msix(struct pci_dev* dev) int pos, temp; u16 control; + if (!pci_msi_enable) + return; if (!dev) return; @@ -1152,6 +1157,11 @@ void msi_remove_pci_irq_vectors(struct pci_dev* dev) } } +void pci_no_msi(void) +{ + pci_msi_enable = 0; +} + EXPORT_SYMBOL(pci_enable_msi); EXPORT_SYMBOL(pci_disable_msi); EXPORT_SYMBOL(pci_enable_msix); |