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xen/pci: Squash pci_xen_initial_domain and xen_setup_pirqs together. 

Since they are only called once and the rest of the pci_xen_*
functions follow the same pattern of setup.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Konrad Rzeszutek Wilk 2011-06-09 09:49:13 -04:00
parent ed89eb6396
commit a0ee056709
3 changed files with 10 additions and 14 deletions
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5
arch/x86/include/asm/xen/pci.h
View File

@ -14,13 +14,14 @@ static inline int pci_xen_hvm_init(void)
} }
#endif #endif
#if defined(CONFIG_XEN_DOM0) #if defined(CONFIG_XEN_DOM0)
void __init xen_setup_pirqs(void); int __init pci_xen_initial_domain(void);
int xen_find_device_domain_owner(struct pci_dev *dev); int xen_find_device_domain_owner(struct pci_dev *dev);
int xen_register_device_domain_owner(struct pci_dev *dev, uint16_t domain); int xen_register_device_domain_owner(struct pci_dev *dev, uint16_t domain);
int xen_unregister_device_domain_owner(struct pci_dev *dev); int xen_unregister_device_domain_owner(struct pci_dev *dev);
#else #else
static inline void __init xen_setup_pirqs(void) static inline int __init pci_xen_initial_domain(void)
{ {
return -1;
} }
static inline int xen_find_device_domain_owner(struct pci_dev *dev) static inline int xen_find_device_domain_owner(struct pci_dev *dev)
{ {

17
arch/x86/pci/xen.c
View File

@ -429,8 +429,11 @@ static __init void xen_setup_acpi_sci(void)
return; return;
} }
#endif #endif
static int __init pci_xen_initial_domain(void)
int __init pci_xen_initial_domain(void)
{ {
int pirq, irq;
#ifdef CONFIG_PCI_MSI #ifdef CONFIG_PCI_MSI
x86_msi.setup_msi_irqs = xen_initdom_setup_msi_irqs; x86_msi.setup_msi_irqs = xen_initdom_setup_msi_irqs;
x86_msi.teardown_msi_irq = xen_teardown_msi_irq; x86_msi.teardown_msi_irq = xen_teardown_msi_irq;
@ -439,15 +442,6 @@ static int __init pci_xen_initial_domain(void)
xen_setup_acpi_sci(); xen_setup_acpi_sci();
__acpi_register_gsi = acpi_register_gsi_xen; __acpi_register_gsi = acpi_register_gsi_xen;
#endif #endif
return 0;
}
void __init xen_setup_pirqs(void)
{
int pirq, irq;
pci_xen_initial_domain();
if (0 == nr_ioapics) { if (0 == nr_ioapics) {
for (irq = 0; irq < NR_IRQS_LEGACY; irq++) { for (irq = 0; irq < NR_IRQS_LEGACY; irq++) {
pirq = xen_allocate_pirq_gsi(irq); pirq = xen_allocate_pirq_gsi(irq);
@ -456,7 +450,7 @@ void __init xen_setup_pirqs(void)
break; break;
irq = xen_bind_pirq_gsi_to_irq(irq, pirq, 0, "xt-pic"); irq = xen_bind_pirq_gsi_to_irq(irq, pirq, 0, "xt-pic");
} }
return; return 0;
} }
#ifdef CONFIG_ACPI #ifdef CONFIG_ACPI
/* Pre-allocate legacy irqs */ /* Pre-allocate legacy irqs */
@ -471,6 +465,7 @@ void __init xen_setup_pirqs(void)
true /* allocate IRQ */); true /* allocate IRQ */);
} }
#endif #endif
return 0;
} }
struct xen_device_domain_owner { struct xen_device_domain_owner {

2
drivers/xen/events.c
View File

@ -1693,6 +1693,6 @@ void __init xen_init_IRQ(void)
} else { } else {
irq_ctx_init(smp_processor_id()); irq_ctx_init(smp_processor_id());
if (xen_initial_domain()) if (xen_initial_domain())
xen_setup_pirqs(); pci_xen_initial_domain();
} }
} }