diff options
Diffstat (limited to 'arch/parisc/include/asm/delay.h')
| -rw-r--r-- | arch/parisc/include/asm/delay.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/delay.h b/arch/parisc/include/asm/delay.h new file mode 100644 index 0000000000..841b506b70 --- /dev/null +++ b/arch/parisc/include/asm/delay.h @@ -0,0 +1,23 @@ +/* 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 */ |