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authorThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
commit521c180874dae86f675d23c4eade4dba8b1f2cc8 (patch)
tree7509303da3a9a1b40a26f6811f321c89cd31737b /arch/m32r/include/asm/delay.h
parentf1a11e0576c7a73d759d05d776692b2b2d37172b (diff)
parent64d1304a64477629cb16b75491a77bafe6f86963 (diff)
Merge branch 'core/urgent' into core/futexes
Merge reason: this branch was on an pre -rc1 base, merge it up to -rc6+ to get the latest upstream fixes. Conflicts: kernel/futex.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/m32r/include/asm/delay.h')
-rw-r--r--arch/m32r/include/asm/delay.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/m32r/include/asm/delay.h b/arch/m32r/include/asm/delay.h
new file mode 100644
index 00000000000..9dd9e999ea6
--- /dev/null
+++ b/arch/m32r/include/asm/delay.h
@@ -0,0 +1,26 @@
+#ifndef _ASM_M32R_DELAY_H
+#define _ASM_M32R_DELAY_H
+
+/*
+ * Copyright (C) 1993 Linus Torvalds
+ *
+ * Delay routines calling functions in arch/m32r/lib/delay.c
+ */
+
+extern void __bad_udelay(void);
+extern void __bad_ndelay(void);
+
+extern void __udelay(unsigned long usecs);
+extern void __ndelay(unsigned long nsecs);
+extern void __const_udelay(unsigned long xloops);
+extern void __delay(unsigned long loops);
+
+#define udelay(n) (__builtin_constant_p(n) ? \
+ ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
+ __udelay(n))
+
+#define ndelay(n) (__builtin_constant_p(n) ? \
+ ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
+ __ndelay(n))
+
+#endif /* _ASM_M32R_DELAY_H */