diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/pci.h | 30 | ||||
| -rw-r--r-- | arch/x86/kernel/x86_init.c | 24 |
3 files changed, 24 insertions, 31 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5c0ed72c02a2..30c40f08a3d4 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2032,7 +2032,6 @@ menu "Bus options (PCI etc.)" config PCI bool "PCI support" default y - select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC) ---help--- Find out whether you have a PCI motherboard. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index d9e9e6c7ed32..7d7443283a9d 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -100,29 +100,6 @@ static inline void early_quirks(void) { } extern void pci_iommu_alloc(void); #ifdef CONFIG_PCI_MSI -/* MSI arch specific hooks */ -static inline int x86_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) -{ - return x86_msi.setup_msi_irqs(dev, nvec, type); -} - -static inline void x86_teardown_msi_irqs(struct pci_dev *dev) -{ - x86_msi.teardown_msi_irqs(dev); -} - -static inline void x86_teardown_msi_irq(unsigned int irq) -{ - x86_msi.teardown_msi_irq(irq); -} -static inline void x86_restore_msi_irqs(struct pci_dev *dev, int irq) -{ - x86_msi.restore_msi_irqs(dev, irq); -} -#define arch_setup_msi_irqs x86_setup_msi_irqs -#define arch_teardown_msi_irqs x86_teardown_msi_irqs -#define arch_teardown_msi_irq x86_teardown_msi_irq -#define arch_restore_msi_irqs x86_restore_msi_irqs /* implemented in arch/x86/kernel/apic/io_apic. */ struct msi_desc; int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type); @@ -130,16 +107,9 @@ void native_teardown_msi_irq(unsigned int irq); void native_restore_msi_irqs(struct pci_dev *dev, int irq); int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, unsigned int irq_base, unsigned int irq_offset); -/* default to the implementation in drivers/lib/msi.c */ -#define HAVE_DEFAULT_MSI_TEARDOWN_IRQS -#define HAVE_DEFAULT_MSI_RESTORE_IRQS -void default_teardown_msi_irqs(struct pci_dev *dev); -void default_restore_msi_irqs(struct pci_dev *dev, int irq); #else #define native_setup_msi_irqs NULL #define native_teardown_msi_irq NULL -#define default_teardown_msi_irqs NULL -#define default_restore_msi_irqs NULL #endif #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index 5f24c71accaa..8ce0072cd700 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -107,6 +107,8 @@ struct x86_platform_ops x86_platform = { }; EXPORT_SYMBOL_GPL(x86_platform); + +#if defined(CONFIG_PCI_MSI) struct x86_msi_ops x86_msi = { .setup_msi_irqs = native_setup_msi_irqs, .compose_msi_msg = native_compose_msi_msg, @@ -116,6 +118,28 @@ struct x86_msi_ops x86_msi = { .setup_hpet_msi = default_setup_hpet_msi, }; +/* MSI arch specific hooks */ +int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) +{ + return x86_msi.setup_msi_irqs(dev, nvec, type); +} + +void arch_teardown_msi_irqs(struct pci_dev *dev) +{ + x86_msi.teardown_msi_irqs(dev); +} + +void arch_teardown_msi_irq(unsigned int irq) +{ + x86_msi.teardown_msi_irq(irq); +} + +void arch_restore_msi_irqs(struct pci_dev *dev, int irq) +{ + x86_msi.restore_msi_irqs(dev, irq); +} +#endif + struct x86_io_apic_ops x86_io_apic_ops = { .init = native_io_apic_init_mappings, .read = native_io_apic_read, |