[ACPI] platform_rename_gsi() is no longer limited to ACPI specific code,

so call it ioapic_renumber_irq().

A note to google:
GSI is a Global System Interrupt -- a flat, linear, global IRQ number.

Suggested-by: Linus Torvalds
Signed-off-by: Len Brown <len.brown@intel.com>

arch/i386/kernel/io_apic.c

@@ -42,6 +42,8 @@
 
 #include "io_ports.h"
 
+int (*ioapic_renumber_irq)(int ioapic, int irq);
+
 static spinlock_t ioapic_lock = SPIN_LOCK_UNLOCKED;
 
 /*
@@ -1069,11 +1071,13 @@ static int pin_2_irq(int idx, int apic, int pin)
 			while (i < apic)
 				irq += nr_ioapic_registers[i++];
 			irq += pin;
+
 			/*
-			 * For MPS mode, so far only used by ES7000 platform
+			 * For MPS mode, so far only needed by ES7000 platform
 			 */
-			if (platform_rename_gsi)
-				irq = platform_rename_gsi(apic, irq);
+			if (ioapic_renumber_irq)
+				irq = ioapic_renumber_irq(apic, irq);
+
 			break;
 		}
 		default:

arch/i386/kernel/mpparse.c

@@ -808,8 +808,6 @@ void __init find_smp_config (void)
 		smp_scan_config(address, 0x400);
 }
 
-int (*platform_rename_gsi)(int ioapic, int gsi);
-
 /* --------------------------------------------------------------------------
                             ACPI-based MP Configuration
    -------------------------------------------------------------------------- */
@@ -1076,8 +1074,8 @@ void mp_register_gsi (u32 gsi, int edge_level, int active_high_low)
 
 	ioapic_pin = gsi - mp_ioapic_routing[ioapic].gsi_base;
 
-	if (platform_rename_gsi)
-		gsi = platform_rename_gsi(ioapic, gsi);
+	if (ioapic_renumber_irq)
+		gsi = ioapic_renumber_irq(ioapic, gsi);
 
 	/* 
 	 * Avoid pin reprogramming.  PRTs typically include entries  

arch/i386/mach-es7000/es7000plat.c

@@ -139,7 +139,7 @@ parse_unisys_oem (char *oemptr, int oem_entries)
 	} else {
 		printk("\nEnabling ES7000 specific features...\n");
 		es7000_plat = 1;
-		platform_rename_gsi = es7000_rename_gsi;
+		ioapic_renumber_irq = es7000_rename_gsi;
 	}
 	return es7000_plat;
 }

include/asm-i386/acpi.h

@@ -162,8 +162,6 @@ static inline void check_acpi_pci(void) { }
 
 #endif
 
-extern int (*platform_rename_gsi)(int ioapic, int gsi);
-
 #ifdef CONFIG_ACPI_PCI
 static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
 static inline void acpi_disable_pci(void) 

include/asm-i386/io_apic.h

@@ -204,6 +204,8 @@ extern int io_apic_get_redir_entries (int ioapic);
 extern int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int active_high_low);
 #endif /*CONFIG_ACPI_BOOT*/
 
+extern int (*ioapic_renumber_irq)(int ioapic, int irq);
+
 #else  /* !CONFIG_X86_IO_APIC */
 #define io_apic_assign_pci_irqs 0
 #endif