ARM: mmp: avoid to include head file in mach-mmp

pxa910_set_wake() & mmp2_set_wake() are both declared in head files
of arch/arm/mach-mmp/include/mach directory. If we include these
head files in irq-mmp driver, it blocks the multiplatform build.
So adjust the code.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>

arch/arm/mach-mmp/mmp2.c

@@ -13,6 +13,8 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/irqchip/mmp.h>
 #include <linux/platform_device.h>
 
 #include <asm/hardware/cache-tauros2.h>
@@ -26,6 +28,7 @@
 #include <mach/mfp.h>
 #include <mach/devices.h>
 #include <mach/mmp2.h>
+#include <mach/pm-mmp2.h>
 
 #include "common.h"
 
@@ -94,6 +97,9 @@ void mmp2_clear_pmic_int(void)
 void __init mmp2_init_irq(void)
 {
 	mmp2_init_icu();
+#ifdef CONFIG_PM
+	icu_irq_chip.irq_set_wake = mmp2_set_wake;
+#endif
 }
 
 static int __init mmp2_init(void)

arch/arm/mach-mmp/pxa910.c

@@ -12,6 +12,8 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/irqchip/mmp.h>
 #include <linux/platform_device.h>
 
 #include <asm/hardware/cache-tauros2.h>
@@ -23,6 +25,7 @@
 #include <mach/dma.h>
 #include <mach/mfp.h>
 #include <mach/devices.h>
+#include <mach/pm-pxa910.h>
 #include <mach/pxa910.h>
 
 #include "common.h"
@@ -80,6 +83,9 @@ static struct mfp_addr_map pxa910_mfp_addr_map[] __initdata =
 void __init pxa910_init_irq(void)
 {
 	icu_init_irq();
+#ifdef CONFIG_PM
+	icu_irq_chip.irq_set_wake = pxa910_set_wake;
+#endif
 }
 
 static int __init pxa910_init(void)

drivers/irqchip/irq-mmp.c

@@ -26,13 +26,6 @@
 
 #include <mach/irqs.h>
 
-#ifdef CONFIG_CPU_MMP2
-#include <mach/pm-mmp2.h>
-#endif
-#ifdef CONFIG_CPU_PXA910
-#include <mach/pm-pxa910.h>
-#endif
-
 #include "irqchip.h"
 
 #define MAX_ICU_NR		16
@@ -132,7 +125,7 @@ static void icu_unmask_irq(struct irq_data *d)
 	}
 }
 
-static struct irq_chip icu_irq_chip = {
+struct irq_chip icu_irq_chip = {
 	.name		= "icu_irq",
 	.irq_mask	= icu_mask_irq,
 	.irq_mask_ack	= icu_mask_ack_irq,
@@ -251,9 +244,6 @@ void __init icu_init_irq(void)
 	}
 	irq_set_default_host(icu_data[0].domain);
 	set_handle_irq(mmp_handle_irq);
-#ifdef CONFIG_CPU_PXA910
-	icu_irq_chip.irq_set_wake = pxa910_set_wake;
-#endif
 }
 
 /* MMP2 (ARMv7) */
@@ -358,9 +348,6 @@ void __init mmp2_init_icu(void)
 	}
 	irq_set_default_host(icu_data[0].domain);
 	set_handle_irq(mmp2_handle_irq);
-#ifdef CONFIG_CPU_MMP2
-	icu_irq_chip.irq_set_wake = mmp2_set_wake;
-#endif
 }
 
 #ifdef CONFIG_OF

include/linux/irqchip/mmp.h

@@ -0,0 +1,6 @@
+#ifndef	__IRQCHIP_MMP_H
+#define	__IRQCHIP_MMP_H
+
+extern struct irq_chip icu_irq_chip;
+
+#endif	/* __IRQCHIP_MMP_H */