[PATCH] apply recent ES7000 ACPI interrupt fix to MPS mode

Before:
IRQ26 -> 0:10-> 1:2
IRQ27 -> 0:11-> 1:3

After:
IRQ26 -> 1:2
IRQ27 -> 1:3
IRQ58 -> 0:10
IRQ59 -> 0:11
Signed-off-by: Natalie Protasevich <Natalie.Protasevich@unisys.com>
Signed-off-by: Len Brown <Len.Brown@intel.com>

arch/i386/kernel/io_apic.c

@@ -1066,8 +1066,11 @@ static int pin_2_irq(int idx, int apic, int pin)
 			while (i < apic)
 				irq += nr_ioapic_registers[i++];
 			irq += pin;
-			if ((!apic) && (irq < 16)) 
-				irq += 16;
+			/*
+			 * For MPS mode, so far only used by ES7000 platform
+			 */
+			if (platform_rename_gsi)
+				irq = platform_rename_gsi(apic, irq);
 			break;
 		}
 		default: