i8253: Unify all kernel declarations of i8253_lock
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mips@linux-mips.org
Link: http://lkml.kernel.org/r/20110601180610.134151920@duck.linux-mips.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/include/linux/i8253.h b/include/linux/i8253.h
index d2cba88..13048d3 100644
--- a/include/linux/i8253.h
+++ b/include/linux/i8253.h
@@ -2,10 +2,24 @@
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
+ *
+ * Machine specific IO port address definition for generic.
+ * Written by Osamu Tomita <tomita@cinet.co.jp>
*/
#ifndef __LINUX_I8253_H
#define __LINUX_I8253_H
+#include <linux/spinlock.h>
#include <asm/i8253.h>
+/* i8253A PIT registers */
+#define PIT_MODE 0x43
+#define PIT_CH0 0x40
+#define PIT_CH2 0x42
+
+#define inb_pit inb_p
+#define outb_pit outb_p
+
+extern raw_spinlock_t i8253_lock;
+
#endif /* __LINUX_I8253_H */