There is no really good other place but one line for two out of three
architectures that have a <asm/i8253.h> file doesn't justify this files
existence.

Signed-off-by: Ralf Baechle <redacted>
To: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: Russell King <redacted>
Cc: linux-mips@linux-mips.org
Cc: Thomas Gleixner <redacted>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org

 arch/arm/include/asm/i8253.h  |    4 ----
 arch/mips/include/asm/i8253.h |   10 ----------
 arch/mips/include/asm/time.h  |    5 +++++
 arch/x86/include/asm/i8253.h  |    6 ------
 arch/x86/include/asm/time.h   |    1 +
 include/linux/i8253.h         |    1 -
 6 files changed, 6 insertions(+), 21 deletions(-)

Index: linux-i8253/arch/x86/include/asm/i8253.h
===================================================================

--- linux-i8253.orig/arch/x86/include/asm/i8253.h
+++ /dev/null

@@ -1,6 +0,0 @@
-#ifndef _ASM_X86_I8253_H
-#define _ASM_X86_I8253_H
-
-extern void setup_pit_timer(void);
-
-#endif /* _ASM_X86_I8253_H */

Index: linux-i8253/include/linux/i8253.h
===================================================================

--- linux-i8253.orig/include/linux/i8253.h
+++ linux-i8253/include/linux/i8253.h

@@ -12,7 +12,6 @@
 #include <linux/param.h>
 #include <linux/spinlock.h>
 #include <linux/timex.h>
-#include <asm/i8253.h>
 
 /* i8253A PIT registers */
 #define PIT_MODE	0x43

Index: linux-i8253/arch/x86/include/asm/time.h
===================================================================

--- linux-i8253.orig/arch/x86/include/asm/time.h
+++ linux-i8253/arch/x86/include/asm/time.h

@@ -6,6 +6,7 @@
 
 extern void hpet_time_init(void);
 extern void time_init(void);
+extern void setup_pit_timer(void);
 
 extern struct clock_event_device *global_clock_event;
 

Index: linux-i8253/arch/mips/include/asm/i8253.h
===================================================================

--- linux-i8253.orig/arch/mips/include/asm/i8253.h
+++ /dev/null

@@ -1,10 +0,0 @@
-/*
- *  Machine specific IO port address definition for generic.
- *  Written by Osamu Tomita <tomita@cinet.co.jp>
- */
-#ifndef __ASM_I8253_H
-#define __ASM_I8253_H
-
-extern void setup_pit_timer(void);
-
-#endif /* __ASM_I8253_H */

Index: linux-i8253/arch/arm/include/asm/i8253.h
===================================================================

--- linux-i8253.orig/arch/arm/include/asm/i8253.h
+++ /dev/null

@@ -1,4 +0,0 @@
-#ifndef __ASMARM_I8253_H
-#define __ASMARM_I8253_H
-
-#endif

Index: linux-i8253/arch/mips/include/asm/time.h
===================================================================

--- linux-i8253.orig/arch/mips/include/asm/time.h
+++ linux-i8253/arch/mips/include/asm/time.h

@@ -36,6 +36,11 @@ extern int rtc_mips_set_mmss(unsigned lo
 extern void plat_time_init(void);
 
 /*
+ * Initialize i8253 / i8254 PIT clockevent device.
+ */
+extern void setup_pit_timer(void);
+
+/*
  * mips_hpt_frequency - must be set if you intend to use an R4k-compatible
  * counter as a timer interrupt source.
  */