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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-03-06 19:32:33 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-03-06 19:32:33 -0800 |
commit | ce4796d1e16cf3761dc2a02b8d588667d05b3078 (patch) | |
tree | 823d7012c6311c96eaf2041cf2b04558abbaec15 /arch/sh/lib64/udelay.c | |
parent | 46fbdf8935544dcde440bd807b50e52ed2ca7f3b (diff) | |
parent | 7b9726a7a0d8c70ea44a5ed23726748de344f223 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.25
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.25:
sh: Fix up the sh64 build.
sh: Fix up SH7710 VoIP-GW build.
sh: Flag PMB support as EXPERIMENTAL.
sh: Update r7780mp defconfig.
fb: hitfb: Balance probe/remove section annotations.
sh: hp6xx: Fix up hp6xx_apm build failure.
fb: pvr2fb: Fix up remaining section mismatch.
sh: Fix up section mismatches.
sh: hp6xx: Correct APM output.
sh: update se7780 defconfig
sh: replace remaining __FUNCTION__ occurrences
sh: export copy-page() to modules
sh_ksyms_32.c update for gcc 4.3
sh/mm/pg-sh7705.c must #include <linux/fs.h>
Diffstat (limited to 'arch/sh/lib64/udelay.c')
-rw-r--r-- | arch/sh/lib64/udelay.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/arch/sh/lib64/udelay.c b/arch/sh/lib64/udelay.c index 23c7d17fb9f7..d76bd801194f 100644 --- a/arch/sh/lib64/udelay.c +++ b/arch/sh/lib64/udelay.c @@ -21,7 +21,7 @@ * a 1GHz box, that's about 2 seconds. */ -void __delay(int loops) +void __delay(unsigned long loops) { long long dummy; __asm__ __volatile__("gettr tr0, %1\n\t" @@ -33,24 +33,17 @@ void __delay(int loops) :"0"(loops)); } -void __udelay(unsigned long long usecs, unsigned long lpj) +inline void __const_udelay(unsigned long xloops) { - usecs *= (((unsigned long long) HZ << 32) / 1000000) * lpj; - __delay((long long) usecs >> 32); + __delay(xloops * (HZ * cpu_data[raw_smp_processor_id()].loops_per_jiffy)); } -void __ndelay(unsigned long long nsecs, unsigned long lpj) +void __udelay(unsigned long usecs) { - nsecs *= (((unsigned long long) HZ << 32) / 1000000000) * lpj; - __delay((long long) nsecs >> 32); + __const_udelay(usecs * 0x000010c6); /* 2**32 / 1000000 */ } -void udelay(unsigned long usecs) +void __ndelay(unsigned long nsecs) { - __udelay(usecs, cpu_data[raw_smp_processor_id()].loops_per_jiffy); -} - -void ndelay(unsigned long nsecs) -{ - __ndelay(nsecs, cpu_data[raw_smp_processor_id()].loops_per_jiffy); + __const_udelay(nsecs * 0x00000005); } |