diff options
| -rw-r--r-- | drivers/pci/msi.c | 21 | ||||
| -rw-r--r-- | drivers/pci/pci.c | 3 | ||||
| -rw-r--r-- | drivers/pci/pci.h | 2 |
3 files changed, 26 insertions, 0 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index d2812013fd2..74801f7df9c 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -759,3 +759,24 @@ void pci_msi_init_pci_dev(struct pci_dev *dev) { INIT_LIST_HEAD(&dev->msi_list); } + +#ifdef CONFIG_ACPI +#include <linux/acpi.h> +#include <linux/pci-acpi.h> +static void __devinit msi_acpi_init(void) +{ + if (acpi_pci_disabled) + return; + pci_osc_support_set(OSC_MSI_SUPPORT); + pcie_osc_support_set(OSC_MSI_SUPPORT); +} +#else +static inline void msi_acpi_init(void) { } +#endif /* CONFIG_ACPI */ + +void __devinit msi_init(void) +{ + if (!pci_msi_enable) + return; + msi_acpi_init(); +} diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 4db261e13e6..aee73cf251b 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1933,6 +1933,9 @@ static int __devinit pci_init(void) while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { pci_fixup_device(pci_fixup_final, dev); } + + msi_init(); + return 0; } diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index b205ab866a1..9de87e9f98f 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -98,9 +98,11 @@ extern unsigned int pci_pm_d3_delay; #ifdef CONFIG_PCI_MSI void pci_no_msi(void); extern void pci_msi_init_pci_dev(struct pci_dev *dev); +extern void __devinit msi_init(void); #else static inline void pci_no_msi(void) { } static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { } +static inline void msi_init(void) { } #endif #ifdef CONFIG_PCIEAER |