iommu: rename intr_remapping references to irq_remapping

Make the code consistent with the naming conventions of irq subsystem.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Joerg Roedel <joerg.roedel@amd.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index a276268..c02c666 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1442,8 +1442,8 @@
 	 * Now that local APIC setup is completed for BP, configure the fault
 	 * handling for interrupt remapping.
 	 */
-	if (intr_remapping_enabled)
-		intr_enable_fault_handling();
+	if (irq_remapping_enabled)
+		irq_remap_enable_fault_handling();
 
 }
 
@@ -1518,7 +1518,7 @@
 int __init enable_IR(void)
 {
 #ifdef CONFIG_IRQ_REMAP
-	if (!intr_remapping_supported()) {
+	if (!irq_remapping_supported()) {
 		pr_debug("intr-remapping not supported\n");
 		return -1;
 	}
@@ -1529,7 +1529,7 @@
 		return -1;
 	}
 
-	return intr_hardware_enable();
+	return irq_remapping_enable();
 #endif
 	return -1;
 }
@@ -1541,9 +1541,9 @@
 	int hardware_init_ret;
 
 	/* Make sure irq_remap_ops are initialized */
-	setup_intr_remapping();
+	setup_irq_remapping_ops();
 
-	hardware_init_ret = intr_hardware_init();
+	hardware_init_ret = irq_remapping_prepare();
 	if (hardware_init_ret && !x2apic_supported())
 		return;
 
@@ -2180,8 +2180,8 @@
 	local_irq_save(flags);
 	disable_local_APIC();
 
-	if (intr_remapping_enabled)
-		intr_hardware_disable();
+	if (irq_remapping_enabled)
+		irq_remapping_disable();
 
 	local_irq_restore(flags);
 	return 0;
@@ -2197,7 +2197,7 @@
 		return;
 
 	local_irq_save(flags);
-	if (intr_remapping_enabled) {
+	if (irq_remapping_enabled) {
 		/*
 		 * IO-APIC and PIC have their own resume routines.
 		 * We just mask them here to make sure the interrupt
@@ -2249,8 +2249,8 @@
 	apic_write(APIC_ESR, 0);
 	apic_read(APIC_ESR);
 
-	if (intr_remapping_enabled)
-		intr_hardware_reenable(x2apic_mode);
+	if (irq_remapping_enabled)
+		irq_remapping_reenable(x2apic_mode);
 
 	local_irq_restore(flags);
 }