powerpc: Rework interrupt_init_cpu()

The function interrupt_init_cpu() is given an int return type but does
not return anything but 0.  Rework this to be a void function.

Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Mario Six <mario.six@gdsys.cc>
diff --git a/arch/powerpc/cpu/mpc83xx/interrupts.c b/arch/powerpc/cpu/mpc83xx/interrupts.c
index 668aa02..50503b4 100644
--- a/arch/powerpc/cpu/mpc83xx/interrupts.c
+++ b/arch/powerpc/cpu/mpc83xx/interrupts.c
@@ -20,7 +20,7 @@
 	ulong count;
 };
 
-int interrupt_init_cpu (unsigned *decrementer_count)
+void interrupt_init_cpu (unsigned *decrementer_count)
 {
 	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 
@@ -29,8 +29,6 @@
 	/* Enable e300 time base */
 
 	immr->sysconf.spcr |= 0x00400000;
-
-	return 0;
 }
 
 
diff --git a/arch/powerpc/cpu/mpc85xx/interrupts.c b/arch/powerpc/cpu/mpc85xx/interrupts.c
index cf730c5..b925490 100644
--- a/arch/powerpc/cpu/mpc85xx/interrupts.c
+++ b/arch/powerpc/cpu/mpc85xx/interrupts.c
@@ -20,7 +20,7 @@
 #include <post.h>
 #endif
 
-int interrupt_init_cpu(unsigned *decrementer_count)
+void interrupt_init_cpu(unsigned *decrementer_count)
 {
 	ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC8xxx_PIC_ADDR;
 
@@ -77,8 +77,6 @@
 #ifdef CONFIG_POST
 	post_word_store(post_word);
 #endif
-
-	return (0);
 }
 
 /* Install and free a interrupt handler. Not implemented yet. */
diff --git a/arch/powerpc/cpu/mpc86xx/interrupts.c b/arch/powerpc/cpu/mpc86xx/interrupts.c
index a6db0ba..8187479 100644
--- a/arch/powerpc/cpu/mpc86xx/interrupts.c
+++ b/arch/powerpc/cpu/mpc86xx/interrupts.c
@@ -23,7 +23,7 @@
 #include <post.h>
 #endif
 
-int interrupt_init_cpu(unsigned *decrementer_count)
+void interrupt_init_cpu(unsigned *decrementer_count)
 {
 	volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
 	volatile ccsr_pic_t *pic = &immr->im_pic;
@@ -73,8 +73,6 @@
 #ifdef CONFIG_POST
 	post_word_store(post_word);
 #endif
-
-	return 0;
 }
 
 /*
diff --git a/arch/powerpc/cpu/mpc8xx/interrupts.c b/arch/powerpc/cpu/mpc8xx/interrupts.c
index e8e287a..846148a 100644
--- a/arch/powerpc/cpu/mpc8xx/interrupts.c
+++ b/arch/powerpc/cpu/mpc8xx/interrupts.c
@@ -30,7 +30,7 @@
 
 /************************************************************************/
 
-int interrupt_init_cpu(unsigned *decrementer_count)
+void interrupt_init_cpu(unsigned *decrementer_count)
 {
 	immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
 
@@ -41,8 +41,6 @@
 
 	/* Configure CPM interrupts */
 	cpm_interrupt_init();
-
-	return 0;
 }
 
 /************************************************************************/