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authorPaul Mundt <lethal@linux-sh.org>2008-07-29 08:09:44 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-07-29 08:09:44 +0900
commitf15cbe6f1a4b4d9df59142fc8e4abb973302cf44 (patch)
tree774d7b11abaaf33561ab8268bf51ddd9ceb79025 /arch/sh/include/asm/delay.h
parent25326277d8d1393d1c66240e6255aca780f9e3eb (diff)
downloadblackbird-op-linux-f15cbe6f1a4b4d9df59142fc8e4abb973302cf44.tar.gz
blackbird-op-linux-f15cbe6f1a4b4d9df59142fc8e4abb973302cf44.zip
sh: migrate to arch/sh/include/
This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac. Most of the moving about was done with Sam's directions at: http://marc.info/?l=linux-sh&m=121724823706062&w=2 with subsequent hacking and fixups entirely my fault. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/delay.h')
-rw-r--r--arch/sh/include/asm/delay.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/sh/include/asm/delay.h b/arch/sh/include/asm/delay.h
new file mode 100644
index 000000000000..4b16bf9b56bd
--- /dev/null
+++ b/arch/sh/include/asm/delay.h
@@ -0,0 +1,26 @@
+#ifndef __ASM_SH_DELAY_H
+#define __ASM_SH_DELAY_H
+
+/*
+ * Copyright (C) 1993 Linus Torvalds
+ *
+ * Delay routines calling functions in arch/sh/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) * 0x10c6ul)) : \
+ __udelay(n))
+
+#define ndelay(n) (__builtin_constant_p(n) ? \
+ ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
+ __ndelay(n))
+
+#endif /* __ASM_SH_DELAY_H */
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