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#ifndef _ASM_POWERPC_DELAY_H
#define _ASM_POWERPC_DELAY_H
#ifdef __KERNEL__
/*
* Copyright 1996, Paul Mackerras.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* PPC64 Support added by Dave Engebretsen, Todd Inglett, Mike Corrigan,
* Anton Blanchard.
*/
extern void __delay(unsigned long loops);
extern void udelay(unsigned long usecs);
/*
* On shared processor machines the generic implementation of mdelay can
* result in large errors. While each iteration of the loop inside mdelay
* is supposed to take 1ms, the hypervisor could sleep our partition for
* longer (eg 10ms). With the right timing these errors can add up.
*
* Since there is no 32bit overflow issue on 64bit kernels, just call
* udelay directly.
*/
#ifdef CONFIG_PPC64
#define mdelay(n) udelay((n) * 1000)
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_DELAY_H */
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