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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/parisc/include/asm/delay.h | |
Initial import
Diffstat (limited to 'arch/parisc/include/asm/delay.h')
| -rw-r--r-- | arch/parisc/include/asm/delay.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/delay.h b/arch/parisc/include/asm/delay.h new file mode 100644 index 000000000..08e58e679 --- /dev/null +++ b/arch/parisc/include/asm/delay.h @@ -0,0 +1,22 @@ +#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 */ |