huawei-mrd-kernel/arch/parisc/include/asm/delay.h

22 lines
494 B
C

#ifndef _ASM_PARISC_DELAY_H
#define _ASM_PARISC_DELAY_H
static __inline__ void __delay(unsigned long loops) {
asm volatile(
" .balignl 64,0x34000034\n"
" addib,UV -1,%0,.\n"
" nop\n"
: "=r" (loops) : "0" (loops));
}
extern void __udelay(unsigned long usecs);
extern void __udelay_bad(unsigned long usecs);
static inline void udelay(unsigned long usecs)
{
if (__builtin_constant_p(usecs) && (usecs) > 20000)
__udelay_bad(usecs);
__udelay(usecs);
}
#endif /* _ASM_PARISC_DELAY_H */