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authorAnton Altaparmakov <aia21@cantab.net>2006-03-23 14:50:51 +0000
committerAnton Altaparmakov <aia21@cantab.net>2006-03-23 14:50:51 +0000
commitb4d8d1a93c6ea042b29bb66fbb1cf6bc556c18f7 (patch)
tree030ef62361042d1a034087ad9a726db3b57bba72 /include/asm-arm/delay.h
parentbb8047d3540affd6b8c2adac3fe792e07143be0f (diff)
parent2e6e33bab6e1996a5dec9108fb467b52b841e7a8 (diff)
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Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'include/asm-arm/delay.h')
-rw-r--r--include/asm-arm/delay.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/include/asm-arm/delay.h b/include/asm-arm/delay.h
index 1704360e969..b2deda18154 100644
--- a/include/asm-arm/delay.h
+++ b/include/asm-arm/delay.h
@@ -6,6 +6,8 @@
#ifndef __ASM_ARM_DELAY_H
#define __ASM_ARM_DELAY_H
+#include <asm/param.h> /* HZ */
+
extern void __delay(int loops);
/*
@@ -13,7 +15,7 @@ extern void __delay(int loops);
* it, it means that you're calling udelay() with an out of range value.
*
* With currently imposed limits, this means that we support a max delay
- * of 2000us and 671 bogomips
+ * of 2000us. Further limits: HZ<=1000 and bogomips<=3355
*/
extern void __bad_udelay(void);
@@ -32,10 +34,10 @@ extern void __const_udelay(unsigned long);
#define MAX_UDELAY_MS 2
-#define udelay(n) \
- (__builtin_constant_p(n) ? \
- ((n) > (MAX_UDELAY_MS * 1000) ? __bad_udelay() : \
- __const_udelay((n) * 0x68dbul)) : \
+#define udelay(n) \
+ (__builtin_constant_p(n) ? \
+ ((n) > (MAX_UDELAY_MS * 1000) ? __bad_udelay() : \
+ __const_udelay((n) * ((2199023U*HZ)>>11))) : \
__udelay(n))
#endif /* defined(_ARM_DELAY_H) */