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authorThe Android Open Source Project <initial-contribution@android.com>2008-10-21 07:00:00 -0700
committerThe Android Open Source Project <initial-contribution@android.com>2008-10-21 07:00:00 -0700
commita27d2baa0c1a2ec70f47ea9199b1dd6762c8a349 (patch)
treedefd1cc07d16ad2f3b21154114e092d11c94c5bb /libc/kernel/common/linux/delay.h
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Initial Contributionandroid-1.0
Diffstat (limited to 'libc/kernel/common/linux/delay.h')
-rw-r--r--libc/kernel/common/linux/delay.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/libc/kernel/common/linux/delay.h b/libc/kernel/common/linux/delay.h
new file mode 100644
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+++ b/libc/kernel/common/linux/delay.h
@@ -0,0 +1,29 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_DELAY_H
+#define _LINUX_DELAY_H
+
+#include <asm/delay.h>
+
+#ifndef MAX_UDELAY_MS
+#define MAX_UDELAY_MS 5
+#endif
+
+#ifndef mdelay
+#define mdelay(n) ( (__builtin_constant_p(n) && (n)<=MAX_UDELAY_MS) ? udelay((n)*1000) : ({unsigned long __ms=(n); while (__ms--) udelay(1000);}))
+#endif
+
+#ifndef ndelay
+#define ndelay(x) udelay(((x)+999)/1000)
+#endif
+
+#endif