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authorRalf Baechle <ralf@linux-mips.org>2011-06-01 19:04:58 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-06-09 15:01:38 +0200
commitcb2455aa274b780802c593fecf115240a655d809 (patch)
tree3273999ee348f14e74c6b8632954f0f8e5b52859 /include/linux/i8253.h
parent334955ef964bee9d3b1e20966847eee28cfd05f6 (diff)
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>
Diffstat (limited to 'include/linux/i8253.h')
-rw-r--r--include/linux/i8253.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/i8253.h b/include/linux/i8253.h
index d2cba88f75d6..13048d335368 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 */