MIPS: sgi-ip32: Fix missing prototypes

Fix interrupt function prototypes, move all prototypes into a new
file ip32-common.h and include it where needed.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>

Author: tsbogend

arch/mips/sgi-ip32/crime.c

@@ -18,6 +18,8 @@
 #include <asm/ip32/crime.h>
 #include <asm/ip32/mace.h>
 
+#include "ip32-common.h"
+
 struct sgi_crime __iomem *crime;
 struct sgi_mace __iomem *mace;
 
@@ -39,7 +41,7 @@ void __init crime_init(void)
 	       id, rev, field, (unsigned long) CRIME_BASE);
 }
 
-irqreturn_t crime_memerr_intr(unsigned int irq, void *dev_id)
+irqreturn_t crime_memerr_intr(int irq, void *dev_id)
 {
 	unsigned long stat, addr;
 	int fatal = 0;
@@ -90,7 +92,7 @@ irqreturn_t crime_memerr_intr(unsigned int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-irqreturn_t crime_cpuerr_intr(unsigned int irq, void *dev_id)
+irqreturn_t crime_cpuerr_intr(int irq, void *dev_id)
 {
 	unsigned long stat = crime->cpu_error_stat & CRIME_CPU_ERROR_MASK;
 	unsigned long addr = crime->cpu_error_addr & CRIME_CPU_ERROR_ADDR_MASK;

arch/mips/sgi-ip32/ip32-berr.c

@@ -18,6 +18,8 @@
 #include <asm/ptrace.h>
 #include <asm/tlbdebug.h>
 
+#include "ip32-common.h"
+
 static int ip32_be_handler(struct pt_regs *regs, int is_fixup)
 {
 	int data = regs->cp0_cause & 4;

arch/mips/sgi-ip32/ip32-common.h

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __IP32_COMMON_H
+#define __IP32_COMMON_H
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+
+void __init crime_init(void);
+irqreturn_t crime_memerr_intr(int irq, void *dev_id);
+irqreturn_t crime_cpuerr_intr(int irq, void *dev_id);
+void __init ip32_be_init(void);
+void ip32_prepare_poweroff(void);
+
+#endif /* __IP32_COMMON_H */

arch/mips/sgi-ip32/ip32-irq.c

@@ -28,6 +28,8 @@
 #include <asm/ip32/mace.h>
 #include <asm/ip32/ip32_ints.h>
 
+#include "ip32-common.h"
+
 /* issue a PIO read to make sure no PIO writes are pending */
 static inline void flush_crime_bus(void)
 {
@@ -107,10 +109,6 @@ static inline void flush_mace_bus(void)
  * is quite different anyway.
  */
 
-/* Some initial interrupts to set up */
-extern irqreturn_t crime_memerr_intr(int irq, void *dev_id);
-extern irqreturn_t crime_cpuerr_intr(int irq, void *dev_id);
-
 /*
  * This is for pure CRIME interrupts - ie not MACE.  The advantage?
  * We get to split the register in half and do faster lookups.

arch/mips/sgi-ip32/ip32-memory.c

@@ -15,6 +15,7 @@
 #include <asm/ip32/crime.h>
 #include <asm/bootinfo.h>
 #include <asm/page.h>
+#include <asm/sgialib.h>
 
 extern void crime_init(void);
 

arch/mips/sgi-ip32/ip32-reset.c

@@ -29,6 +29,8 @@
 #include <asm/ip32/crime.h>
 #include <asm/ip32/ip32_ints.h>
 
+#include "ip32-common.h"
+
 #define POWERDOWN_TIMEOUT	120
 /*
  * Blink frequency during reboot grace period and when panicked.

arch/mips/sgi-ip32/ip32-setup.c

@@ -26,8 +26,7 @@
 #include <asm/ip32/mace.h>
 #include <asm/ip32/ip32_ints.h>
 
-extern void ip32_be_init(void);
-extern void crime_init(void);
+#include "ip32-common.h"
 
 #ifdef CONFIG_SGI_O2MACE_ETH
 /*