2009-05-14 00:56:33 +02:00
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#ifndef __ASM_GENERIC_DELAY_H
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#define __ASM_GENERIC_DELAY_H
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2011-07-02 10:29:24 +02:00
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/* Undefined functions to get compile-time errors */
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extern void __bad_udelay(void);
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extern void __bad_ndelay(void);
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2009-05-14 00:56:33 +02:00
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extern void __udelay(unsigned long usecs);
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2011-07-02 10:29:24 +02:00
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extern void __ndelay(unsigned long nsecs);
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extern void __const_udelay(unsigned long xloops);
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2009-05-14 00:56:33 +02:00
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extern void __delay(unsigned long loops);
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2011-07-02 10:29:24 +02:00
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/* 0x10c7 is 2**32 / 1000000 (rounded up) */
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#define udelay(n) (__builtin_constant_p(n) ? \
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((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
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__udelay(n))
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/* 0x5 is 2**32 / 1000000000 (rounded up) */
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#define ndelay(n) (__builtin_constant_p(n) ? \
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((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
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__ndelay(n))
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2009-05-14 00:56:33 +02:00
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#endif /* __ASM_GENERIC_DELAY_H */
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