ACPI: pci_link: remove acpi_irq_balance_set() interface

[safe/jmp/linux-2.6] / drivers / acpi / pci_link.c

diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index fcfdef7..e52ad91 100644 (file)
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -531,7 +531,7 @@ int __init acpi_irq_penalty_init(void)
        return 0;
 }
 
-static int acpi_irq_balance;   /* 0: static, 1: balance */
+static int acpi_irq_balance = -1;      /* 0: static, 1: balance */
 
 static int acpi_pci_link_allocate(struct acpi_pci_link *link)
 {
@@ -950,10 +950,17 @@ device_initcall(irqrouter_init_sysfs);
 
 static int __init acpi_pci_link_init(void)
 {
-
        if (acpi_noirq)
                return 0;
 
+       if (acpi_irq_balance == -1) {
+               /* no command line switch: enable balancing in IOAPIC mode */
+               if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC)
+                       acpi_irq_balance = 1;
+               else
+                       acpi_irq_balance = 0;
+       }
+
        acpi_link.count = 0;
        INIT_LIST_HEAD(&acpi_link.entries);