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authorPaul Mackerras <paulus@samba.org>2007-09-20 10:09:27 +1000
committerPaul Mackerras <paulus@samba.org>2007-09-20 10:09:27 +1000
commit0ce49a3945474fc942ec37c0c0efece60f592f80 (patch)
treef42b821b2d9e2d8775bc22f56d444c2cc7b7b7dd /arch/powerpc/kernel
parent9e4859ef5462193643fd2b3c8ffb298e5a4a4319 (diff)
parenta88a8eff1e6e32d3288986a9d36c6a449c032d3a (diff)
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/time.c8
-rw-r--r--arch/powerpc/kernel/vdso.c12
2 files changed, 17 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index b5944d8e380..d95e68c0a6b 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -238,7 +238,7 @@ static void snapshot_tb_and_purr(void *data)
struct cpu_purr_data *p = &__get_cpu_var(cpu_purr_data);
local_irq_save(flags);
- p->tb = mftb();
+ p->tb = get_tb_or_rtc();
p->purr = mfspr(SPRN_PURR);
wmb();
p->initialized = 1;
@@ -316,7 +316,7 @@ static void snapshot_purr(void)
*/
void snapshot_timebase(void)
{
- __get_cpu_var(last_jiffy) = get_tb();
+ __get_cpu_var(last_jiffy) = get_tb_or_rtc();
snapshot_purr();
}
@@ -683,6 +683,8 @@ void timer_interrupt(struct pt_regs * regs)
write_seqlock(&xtime_lock);
tb_next_jiffy = tb_last_jiffy + tb_ticks_per_jiffy;
+ if (__USE_RTC() && tb_next_jiffy >= 1000000000)
+ tb_next_jiffy -= 1000000000;
if (per_cpu(last_jiffy, cpu) >= tb_next_jiffy) {
tb_last_jiffy = tb_next_jiffy;
do_timer(1);
@@ -976,7 +978,7 @@ void __init time_init(void)
tb_to_ns_scale = scale;
tb_to_ns_shift = shift;
/* Save the current timebase to pretty up CONFIG_PRINTK_TIME */
- boot_tb = get_tb();
+ boot_tb = get_tb_or_rtc();
tm = get_boot_time();
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index cef01e4e898..213fa31ac53 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -98,6 +98,18 @@ static struct vdso_patch_def vdso_patches[] = {
CPU_FTR_USE_TB, 0,
"__kernel_gettimeofday", NULL
},
+ {
+ CPU_FTR_USE_TB, 0,
+ "__kernel_clock_gettime", NULL
+ },
+ {
+ CPU_FTR_USE_TB, 0,
+ "__kernel_clock_getres", NULL
+ },
+ {
+ CPU_FTR_USE_TB, 0,
+ "__kernel_get_tbfreq", NULL
+ },
};
/*