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-rw-r--r--arch/tile/lib/delay.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/tile/lib/delay.c b/arch/tile/lib/delay.c
new file mode 100644
index 0000000..5801b03
--- /dev/null
+++ b/arch/tile/lib/delay.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010 Tilera Corporation. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT. See the GNU General Public License for
+ * more details.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/thread_info.h>
+#include <asm/fixmap.h>
+#include <hv/hypervisor.h>
+
+void __udelay(unsigned long usecs)
+{
+ hv_nanosleep(usecs * 1000);
+}
+EXPORT_SYMBOL(__udelay);
+
+void __ndelay(unsigned long nsecs)
+{
+ hv_nanosleep(nsecs);
+}
+EXPORT_SYMBOL(__ndelay);
+
+/* FIXME: should be declared in a header somewhere. */
+EXPORT_SYMBOL(__delay);
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