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authorPaul Mundt <lethal@linux-sh.org>2007-11-20 00:49:36 -0500
committerPaul Mundt <lethal@linux-sh.org>2008-01-27 23:18:49 -0500
commit99432700cf2f28976191ab546deffc0007ef4eb7 (patch)
treef472c1aebbf3215f6c69c0c110816fea835bae7d
parent600ee240d15e535d51e6c2b2f8475f0aa42885ea (diff)
sh: Tidy up lib64 udelay impl.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--arch/sh/lib64/udelay.c7
-rw-r--r--include/asm-sh/delay.h8
2 files changed, 8 insertions, 7 deletions
diff --git a/arch/sh/lib64/udelay.c b/arch/sh/lib64/udelay.c
index 327653914007..4c71a7428e60 100644
--- a/arch/sh/lib64/udelay.c
+++ b/arch/sh/lib64/udelay.c
@@ -13,8 +13,6 @@
13#include <linux/sched.h> 13#include <linux/sched.h>
14#include <asm/param.h> 14#include <asm/param.h>
15 15
16extern unsigned long loops_per_jiffy;
17
18/* 16/*
19 * Use only for very small delays (< 1 msec). 17 * Use only for very small delays (< 1 msec).
20 * 18 *
@@ -49,11 +47,10 @@ void __ndelay(unsigned long long nsecs, unsigned long lpj)
49 47
50void udelay(unsigned long usecs) 48void udelay(unsigned long usecs)
51{ 49{
52 __udelay(usecs, loops_per_jiffy); 50 __udelay(usecs, cpu_data[raw_smp_processor_id()].loops_per_jiffy);
53} 51}
54 52
55void ndelay(unsigned long nsecs) 53void ndelay(unsigned long nsecs)
56{ 54{
57 __ndelay(nsecs, loops_per_jiffy); 55 __ndelay(nsecs, cpu_data[raw_smp_processor_id()].loops_per_jiffy);
58} 56}
59
diff --git a/include/asm-sh/delay.h b/include/asm-sh/delay.h
index db599b2a5a9c..031db84f2aa1 100644
--- a/include/asm-sh/delay.h
+++ b/include/asm-sh/delay.h
@@ -6,7 +6,7 @@
6 * 6 *
7 * Delay routines calling functions in arch/sh/lib/delay.c 7 * Delay routines calling functions in arch/sh/lib/delay.c
8 */ 8 */
9 9
10extern void __bad_udelay(void); 10extern void __bad_udelay(void);
11extern void __bad_ndelay(void); 11extern void __bad_ndelay(void);
12 12
@@ -15,13 +15,17 @@ extern void __ndelay(unsigned long nsecs);
15extern void __const_udelay(unsigned long usecs); 15extern void __const_udelay(unsigned long usecs);
16extern void __delay(unsigned long loops); 16extern void __delay(unsigned long loops);
17 17
18#ifdef CONFIG_SUPERH32
18#define udelay(n) (__builtin_constant_p(n) ? \ 19#define udelay(n) (__builtin_constant_p(n) ? \
19 ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \ 20 ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
20 __udelay(n)) 21 __udelay(n))
21 22
22
23#define ndelay(n) (__builtin_constant_p(n) ? \ 23#define ndelay(n) (__builtin_constant_p(n) ? \
24 ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \ 24 ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
25 __ndelay(n)) 25 __ndelay(n))
26#else
27extern void udelay(unsigned long usecs);
28extern void ndelay(unsigned long nsecs);
29#endif
26 30
27#endif /* __ASM_SH_DELAY_H */ 31#endif /* __ASM_SH_DELAY_H */