diff options
Diffstat (limited to 'arch/i386/lib/delay.c')
| -rw-r--r-- | arch/i386/lib/delay.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/arch/i386/lib/delay.c b/arch/i386/lib/delay.c deleted file mode 100644 index c49a6acbee5..00000000000 --- a/arch/i386/lib/delay.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Precise Delay Loops for i386 - * - * Copyright (C) 1993 Linus Torvalds - * Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz> - * - * The __delay function must _NOT_ be inlined as its execution time - * depends wildly on alignment on many x86 processors. The additional - * jump magic is needed to get the timing stable on all the CPU's - * we have to worry about. - */ - -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/delay.h> -#include <linux/module.h> -#include <asm/processor.h> -#include <asm/delay.h> -#include <asm/timer.h> - -#ifdef CONFIG_SMP -#include <asm/smp.h> -#endif - -extern struct timer_opts* timer; - -void __delay(unsigned long loops) -{ - cur_timer->delay(loops); -} - -inline void __const_udelay(unsigned long xloops) -{ - int d0; - xloops *= 4; - __asm__("mull %0" - :"=d" (xloops), "=&a" (d0) - :"1" (xloops),"0" (cpu_data[raw_smp_processor_id()].loops_per_jiffy * (HZ/4))); - __delay(++xloops); -} - -void __udelay(unsigned long usecs) -{ - __const_udelay(usecs * 0x000010c7); /* 2**32 / 1000000 (rounded up) */ -} - -void __ndelay(unsigned long nsecs) -{ - __const_udelay(nsecs * 0x00005); /* 2**32 / 1000000000 (rounded up) */ -} - -EXPORT_SYMBOL(__delay); -EXPORT_SYMBOL(__const_udelay); -EXPORT_SYMBOL(__udelay); -EXPORT_SYMBOL(__ndelay); |