common: Move enable/disable_interrupts out of common.h

Move these two functions into the irq_funcs.h header file. Also move
interrupt_handler_t as this is used by the irq_install_handler() function.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/include/common.h b/include/common.h
index 81387d5..c22eb63 100644
--- a/include/common.h
+++ b/include/common.h
@@ -46,8 +46,6 @@
 
 #include <log.h>
 
-typedef void (interrupt_handler_t)(void *);
-
 #include <asm/u-boot.h> /* boot information for Linux kernel */
 #include <asm/global_data.h>	/* global data used for startup functions */
 
@@ -207,10 +205,6 @@
 ulong	get_bus_freq  (ulong);
 int get_serial_clock(void);
 
-/* $(CPU)/interrupts.c */
-void	enable_interrupts  (void);
-int	disable_interrupts (void);
-
 /* lib/uuid.c */
 #include <uuid.h>
 
diff --git a/include/exports.h b/include/exports.h
index 8899622..35f4632 100644
--- a/include/exports.h
+++ b/include/exports.h
@@ -9,6 +9,8 @@
 #include <phy_interface.h>
 #endif
 
+#include <irq_func.h>
+
 struct spi_slave;
 
 /* These are declarations of exported functions available in C code */
diff --git a/include/irq_func.h b/include/irq_func.h
index 11d2bdd..c7c4bab 100644
--- a/include/irq_func.h
+++ b/include/irq_func.h
@@ -9,11 +9,18 @@
 #ifndef __IRQ_FUNC_H
 #define __IRQ_FUNC_H
 
+struct pt_regs;
+
+typedef void (interrupt_handler_t)(void *arg);
+
 int interrupt_init(void);
 void timer_interrupt(struct pt_regs *regs);
 void external_interrupt(struct pt_regs *regs);
-void irq_install_handler (int vec, interrupt_handler_t *handler, void *arg);
+void irq_install_handler(int vec, interrupt_handler_t *handler, void *arg);
 void irq_free_handler(int vec);
 void reset_timer(void);
 
+void enable_interrupts(void);
+int disable_interrupts(void);
+
 #endif