x86/acpi: move setup io apic routing out of CONFIG_ACPI scope

So we could set io apic routing when ACPI is not enabled.

[ Impact: prepare for new functionality ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Len Brown <lenb@kernel.org>
LKML-Reference: <4A01C422.5070400@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 61 insertions, 61 deletions

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index caf9dbdde050..3a68daee0d99 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3839,6 +3839,67 @@ int __init arch_probe_nr_irqs(void)
 }
 #endif
 
+static int __io_apic_set_pci_routing(struct device *dev, int ioapic, int pin, int irq,
+                                 int triggering, int polarity)
+{
+        struct irq_desc *desc;
+        struct irq_cfg *cfg;
+        int node;
+
+        if (!IO_APIC_IRQ(irq)) {
+                apic_printk(APIC_QUIET,KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n",
+                        ioapic);
+                return -EINVAL;
+        }
+
+        if (dev)
+                node = dev_to_node(dev);
+        else
+                node = cpu_to_node(boot_cpu_id);
+
+        desc = irq_to_desc_alloc_node(irq, node);
+        if (!desc) {
+                printk(KERN_INFO "can not get irq_desc %d\n", irq);
+                return 0;
+        }
+
+        /*
+         * IRQs < 16 are already in the irq_2_pin[] map
+         */
+        if (irq >= NR_IRQS_LEGACY) {
+                cfg = desc->chip_data;
+                add_pin_to_irq_node(cfg, node, ioapic, pin);
+        }
+
+        setup_IO_APIC_irq(ioapic, pin, irq, desc, triggering, polarity);
+
+        return 0;
+}
+
+static struct {
+        DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1);
+} mp_ioapic_routing[MAX_IO_APICS];
+
+int io_apic_set_pci_routing(struct device *dev, int ioapic, int pin, int irq,
+                                 int triggering, int polarity)
+{
+
+        /*
+         * Avoid pin reprogramming.  PRTs typically include entries
+         * with redundant pin->gsi mappings (but unique PCI devices);
+         * we only program the IOAPIC on the first.
+         */
+        if (test_bit(pin, mp_ioapic_routing[ioapic].pin_programmed)) {
+                pr_debug("Pin %d-%d already programmed\n",
+                         mp_ioapics[ioapic].apicid, pin);
+                return 0;
+        }
+        set_bit(pin, mp_ioapic_routing[ioapic].pin_programmed);
+
+        return __io_apic_set_pci_routing(dev, ioapic, pin, irq,
+                                         triggering, polarity);
+}
+
 /* --------------------------------------------------------------------------
                           ACPI-based IOAPIC Configuration
    -------------------------------------------------------------------------- */
@@ -3933,67 +3994,6 @@ int __init io_apic_get_version(int ioapic)
 }
 #endif
 
-static int __io_apic_set_pci_routing(struct device *dev, int ioapic, int pin, int irq,
-                                 int triggering, int polarity)
-{
-        struct irq_desc *desc;
-        struct irq_cfg *cfg;
-        int node;
-
-        if (!IO_APIC_IRQ(irq)) {
-                apic_printk(APIC_QUIET,KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n",
-                        ioapic);
-                return -EINVAL;
-        }
-
-        if (dev)
-                node = dev_to_node(dev);
-        else
-                node = cpu_to_node(boot_cpu_id);
-
-        desc = irq_to_desc_alloc_node(irq, node);
-        if (!desc) {
-                printk(KERN_INFO "can not get irq_desc %d\n", irq);
-                return 0;
-        }
-
-        /*
-         * IRQs < 16 are already in the irq_2_pin[] map
-         */
-        if (irq >= NR_IRQS_LEGACY) {
-                cfg = desc->chip_data;
-                add_pin_to_irq_node(cfg, node, ioapic, pin);
-        }
-
-        setup_IO_APIC_irq(ioapic, pin, irq, desc, triggering, polarity);
-
-        return 0;
-}
-
-static struct {
-        DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1);
-} mp_ioapic_routing[MAX_IO_APICS];
-
-int io_apic_set_pci_routing(struct device *dev, int ioapic, int pin, int irq,
-                                 int triggering, int polarity)
-{
-
-        /*
-         * Avoid pin reprogramming.  PRTs typically include entries
-         * with redundant pin->gsi mappings (but unique PCI devices);
-         * we only program the IOAPIC on the first.
-         */
-        if (test_bit(pin, mp_ioapic_routing[ioapic].pin_programmed)) {
-                pr_debug("Pin %d-%d already programmed\n",
-                         mp_ioapics[ioapic].apicid, pin);
-                return 0;
-        }
-        set_bit(pin, mp_ioapic_routing[ioapic].pin_programmed);
-
-        return __io_apic_set_pci_routing(dev, ioapic, pin, irq,
-                                         triggering, polarity);
-}
-
 int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
 {
         int i;