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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-20 11:57:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-20 11:57:50 -0800 |
| commit | c4a1745aa09fc110afdefea0e5d025043e348bae (patch) | |
| tree | 6d28dc3a0c1bf18437b3d49f28e5c81b850cdb2f /arch/sparc64/lib/delay.c | |
| parent | 88dcb91177cfa5b26143a29074389a2aa259c7cf (diff) | |
| parent | ac0eb3eb7e54b700386068be025a43d2a3958ee5 (diff) | |
| download | linux-c4a1745aa09fc110afdefea0e5d025043e348bae.tar.gz | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (230 commits)
[SPARC64]: Update defconfig.
[SPARC64]: Fix 2 bugs in huge page support.
[SPARC64]: CONFIG_BLK_DEV_RAM fix
[SPARC64]: Optimized TSB table initialization.
[SPARC64]: Allow CONFIG_MEMORY_HOTPLUG to build.
[SPARC64]: Use SLAB caches for TSB tables.
[SPARC64]: Don't kill the page allocator when growing a TSB.
[SPARC64]: Randomize mm->mmap_base when PF_RANDOMIZE is set.
[SPARC64]: Increase top of 32-bit process stack.
[SPARC64]: Top-down address space allocation for 32-bit tasks.
[SPARC64] bbc_i2c: Fix cpu check and add missing module license.
[SPARC64]: Fix and re-enable dynamic TSB sizing.
[SUNSU]: Fix missing spinlock initialization.
[TG3]: Do not try to access NIC_SRAM_DATA_SIG on Sun parts.
[SPARC64]: First cut at VIS simulator for Niagara.
[SPARC64]: Fix system type in /proc/cpuinfo and remove bogus OBP check.
[SPARC64]: Add SMT scheduling support for Niagara.
[SPARC64]: Fix 32-bit truncation which broke sparsemem.
[SPARC64]: Move over to sparsemem.
[SPARC64]: Fix new context version SMP handling.
...
Diffstat (limited to 'arch/sparc64/lib/delay.c')
| -rw-r--r-- | arch/sparc64/lib/delay.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/arch/sparc64/lib/delay.c b/arch/sparc64/lib/delay.c index e8808727617a14..fb27e54a03ee11 100644 --- a/arch/sparc64/lib/delay.c +++ b/arch/sparc64/lib/delay.c @@ -1,6 +1,6 @@ /* delay.c: Delay loops for sparc64 * - * Copyright (C) 2004 David S. Miller <davem@redhat.com> + * Copyright (C) 2004, 2006 David S. Miller <davem@davemloft.net> * * Based heavily upon x86 variant which is: * Copyright (C) 1993 Linus Torvalds @@ -8,19 +8,16 @@ */ #include <linux/delay.h> +#include <asm/timer.h> void __delay(unsigned long loops) { - __asm__ __volatile__( -" b,pt %%xcc, 1f\n" -" cmp %0, 0\n" -" .align 32\n" -"1:\n" -" bne,pt %%xcc, 1b\n" -" subcc %0, 1, %0\n" - : "=&r" (loops) - : "0" (loops) - : "cc"); + unsigned long bclock, now; + + bclock = tick_ops->get_tick(); + do { + now = tick_ops->get_tick(); + } while ((now-bclock) < loops); } /* We used to multiply by HZ after shifting down by 32 bits |