24 lines
533 B
C
24 lines
533 B
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#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 */
|