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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-or32/] [delay.h] - Rev 1765

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#ifndef _OR32_DELAY_H
#define _OR32_DELAY_H
 
#include <linux/config.h>
#include <linux/linkage.h>
 
 
extern __inline__ void __delay(int loops)
{
	__asm__ __volatile__ (
			      "l.srli %0,%0,1;"
			      "1: l.sfeqi %0,0;"
			      "l.bnf 1b;"
			      "l.addi %0,%0,-1;"
			      : "=r" (loops): "0" (loops));
}
 
 
/* Use only for very small delays ( < 1 msec).  */
 
extern unsigned long loops_per_usec;
 
extern __inline__ void udelay(unsigned long usecs)
{
	__delay(usecs * loops_per_usec);
}
 
#endif 
 
 
 
 

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