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authorPaul Mundt <lethal@linux-sh.org>2007-11-20 14:49:36 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-01-28 13:18:49 +0900
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 @@
#include <linux/sched.h>
#include <asm/param.h>
-extern unsigned long loops_per_jiffy;
-
/*
* Use only for very small delays (< 1 msec).
*
@@ -49,11 +47,10 @@ void __ndelay(unsigned long long nsecs, unsigned long lpj)
void udelay(unsigned long usecs)
{
- __udelay(usecs, loops_per_jiffy);
+ __udelay(usecs, cpu_data[raw_smp_processor_id()].loops_per_jiffy);
}
void ndelay(unsigned long nsecs)
{
- __ndelay(nsecs, loops_per_jiffy);
+ __ndelay(nsecs, cpu_data[raw_smp_processor_id()].loops_per_jiffy);
}
-
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 @@
*
* Delay routines calling functions in arch/sh/lib/delay.c
*/
-
+
extern void __bad_udelay(void);
extern void __bad_ndelay(void);
@@ -15,13 +15,17 @@ extern void __ndelay(unsigned long nsecs);
extern void __const_udelay(unsigned long usecs);
extern void __delay(unsigned long loops);
+#ifdef CONFIG_SUPERH32
#define udelay(n) (__builtin_constant_p(n) ? \
((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
__udelay(n))
-
#define ndelay(n) (__builtin_constant_p(n) ? \
((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
__ndelay(n))
+#else
+extern void udelay(unsigned long usecs);
+extern void ndelay(unsigned long nsecs);
+#endif
#endif /* __ASM_SH_DELAY_H */