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path: root/drivers/pci/msi.c
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Diffstat (limited to 'drivers/pci/msi.c')
-rw-r--r--drivers/pci/msi.c31
1 files changed, 11 insertions, 20 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 11a51f8ed3b3..b4a90badd0a6 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -776,28 +776,19 @@ void pci_no_msi(void)
776 pci_msi_enable = 0; 776 pci_msi_enable = 0;
777} 777}
778 778
779void pci_msi_init_pci_dev(struct pci_dev *dev) 779/**
780{ 780 * pci_msi_enabled - is MSI enabled?
781 INIT_LIST_HEAD(&dev->msi_list); 781 *
782} 782 * Returns true if MSI has not been disabled by the command-line option
783 783 * pci=nomsi.
784#ifdef CONFIG_ACPI 784 **/
785#include <linux/acpi.h> 785int pci_msi_enabled(void)
786#include <linux/pci-acpi.h>
787static void __devinit msi_acpi_init(void)
788{ 786{
789 if (acpi_pci_disabled) 787 return pci_msi_enable;
790 return;
791 pci_osc_support_set(OSC_MSI_SUPPORT);
792 pcie_osc_support_set(OSC_MSI_SUPPORT);
793} 788}
794#else 789EXPORT_SYMBOL(pci_msi_enabled);
795static inline void msi_acpi_init(void) { }
796#endif /* CONFIG_ACPI */
797 790
798void __devinit msi_init(void) 791void pci_msi_init_pci_dev(struct pci_dev *dev)
799{ 792{
800 if (!pci_msi_enable) 793 INIT_LIST_HEAD(&dev->msi_list);
801 return;
802 msi_acpi_init();
803} 794}