MIPS: GIC: Remove dependencies from Malta files.

This prevents the GIC code from being reusable sanely.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/gic.h

@@ -321,6 +321,7 @@ struct gic_intrmask_regs {
  */
 struct gic_intr_map {
 	unsigned int cpunum;	/* Directed to this CPU */
+#define GIC_UNUSED		0xdead			/* Dummy data */
 	unsigned int pin;	/* Directed to this Pin */
 	unsigned int polarity;	/* Polarity : +/-	*/
 	unsigned int trigtype;	/* Trigger  : Edge/Levl */

arch/mips/include/asm/mips-boards/maltaint.h

@@ -88,9 +88,6 @@
 
 #define GIC_EXT_INTR(x)		x
 
-/* Dummy data */
-#define X			0xdead
-
 /* External Interrupts used for IPI */
 #define GIC_IPI_EXT_INTR_RESCHED_VPE0	16
 #define GIC_IPI_EXT_INTR_CALLFNC_VPE0	17

arch/mips/kernel/irq-gic.c

@@ -7,7 +7,6 @@
 #include <asm/io.h>
 #include <asm/gic.h>
 #include <asm/gcmpregs.h>
-#include <asm/mips-boards/maltaint.h>
 #include <asm/irq.h>
 #include <linux/hardirq.h>
 #include <asm-generic/bitops/find.h>
@@ -222,7 +221,7 @@ static void __init gic_basic_init(int numintrs, int numvpes,
 	/* Setup specifics */
 	for (i = 0; i < mapsize; i++) {
 		cpu = intrmap[i].cpunum;
-		if (cpu == X)
+		if (cpu == GIC_UNUSED)
 			continue;
 		if (cpu == 0 && i != 0 && intrmap[i].flags == 0)
 			continue;

arch/mips/mti-malta/malta-int.c

@@ -385,6 +385,8 @@ static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
  */
 
 #define GIC_CPU_NMI GIC_MAP_TO_NMI_MSK
+#define X GIC_UNUSED
+
 static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = {
 	{ X, X,		   X,		X,		0 },
 	{ X, X,		   X,	 	X,		0 },
@@ -404,6 +406,7 @@ static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = {
 	{ X, X,		   X,		X,	        0 },
 	/* The remainder of this table is initialised by fill_ipi_map */
 };
+#undef X
 
 /*
  * GCMP needs to be detected before any SMP initialisation