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authorJiri Kosina <jkosina@suse.cz>2010-10-30 22:16:56 +0200
committerJiri Kosina <jkosina@suse.cz>2010-10-30 22:16:56 +0200
commitf1e095f1d206b81b44160f41278ce5c78641e9b7 (patch)
treebd293d46d2d3e4cdf435a22ddb2877c6ba1b8acc /arch/mn10300/kernel/csrc-mn10300.c
parenttelephony: fix return value (diff)
parentMerge branch 'for-linus' of git://git.infradead.org/users/eparis/notify (diff)
downloadlinux-dev-f1e095f1d206b81b44160f41278ce5c78641e9b7.tar.xz
linux-dev-f1e095f1d206b81b44160f41278ce5c78641e9b7.zip
Merge branch 'master' into for-next
Diffstat (limited to 'arch/mn10300/kernel/csrc-mn10300.c')
-rw-r--r--arch/mn10300/kernel/csrc-mn10300.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/mn10300/kernel/csrc-mn10300.c b/arch/mn10300/kernel/csrc-mn10300.c
new file mode 100644
index 000000000000..ba2f0c4d6e01
--- /dev/null
+++ b/arch/mn10300/kernel/csrc-mn10300.c
@@ -0,0 +1,35 @@
+/* MN10300 clocksource
+ *
+ * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
+ * Written by Mark Salter (msalter@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#include <linux/clocksource.h>
+#include <linux/init.h>
+#include <asm/timex.h>
+#include "internal.h"
+
+static cycle_t mn10300_read(struct clocksource *cs)
+{
+ return read_timestamp_counter();
+}
+
+static struct clocksource clocksource_mn10300 = {
+ .name = "TSC",
+ .rating = 200,
+ .read = mn10300_read,
+ .mask = CLOCKSOURCE_MASK(32),
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+int __init init_clocksource(void)
+{
+ startup_timestamp_counter();
+ clocksource_set_clock(&clocksource_mn10300, MN10300_TSCCLK);
+ clocksource_register(&clocksource_mn10300);
+ return 0;
+}