diff options
Diffstat (limited to 'arch/x86/kernel/apic/msi.c')
| -rw-r--r-- | arch/x86/kernel/apic/msi.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c index 9fe7a08479fa..ca6250439acc 100644 --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -228,25 +228,27 @@ static struct irq_chip dmar_msi_type = { .flags = IRQCHIP_SKIP_SET_WAKE, }; -int arch_setup_dmar_msi(unsigned int irq) +int dmar_alloc_hwirq(int id, int node, void *arg) { + int irq; struct msi_msg msg; - struct irq_cfg *cfg = irq_cfg(irq); - native_compose_msi_msg(cfg, &msg); - dmar_msi_write(irq, &msg); - irq_set_chip_and_handler_name(irq, &dmar_msi_type, handle_edge_irq, - "edge"); - return 0; -} + irq = irq_domain_alloc_irqs(NULL, 1, node, NULL); + if (irq > 0) { + irq_set_handler_data(irq, arg); + irq_set_chip_and_handler_name(irq, &dmar_msi_type, + handle_edge_irq, "edge"); + native_compose_msi_msg(irq_cfg(irq), &msg); + dmar_msi_write(irq, &msg); + } -int dmar_alloc_hwirq(void) -{ - return irq_domain_alloc_irqs(NULL, 1, NUMA_NO_NODE, NULL); + return irq; } void dmar_free_hwirq(int irq) { + irq_set_handler_data(irq, NULL); + irq_set_handler(irq, NULL); irq_domain_free_irqs(irq, 1); } #endif |