aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/mips-boards/generic/time.c
diff options
context:
space:
mode:
authorDavid Woodhouse <dwmw2@infradead.org>2006-12-01 09:56:43 +0000
committerDavid Woodhouse <dwmw2@infradead.org>2006-12-01 09:56:43 +0000
commitbd3c97a7c718bfb9f1e4f31c16c383a5c6f815eb (patch)
tree3f56594e813c6f35cbacbdb3e137ba5bfd0b3069 /arch/mips/mips-boards/generic/time.c
parent6c33cafc794d07c9254c160789120a0e98c088c9 (diff)
parent0215ffb08ce99e2bb59eca114a99499a4d06e704 (diff)
downloadkernel_samsung_tuna-bd3c97a7c718bfb9f1e4f31c16c383a5c6f815eb.zip
kernel_samsung_tuna-bd3c97a7c718bfb9f1e4f31c16c383a5c6f815eb.tar.gz
kernel_samsung_tuna-bd3c97a7c718bfb9f1e4f31c16c383a5c6f815eb.tar.bz2
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/mips/mips-boards/generic/time.c')
-rw-r--r--arch/mips/mips-boards/generic/time.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c
index 6f8a9fe..d817c60 100644
--- a/arch/mips/mips-boards/generic/time.c
+++ b/arch/mips/mips-boards/generic/time.c
@@ -187,7 +187,7 @@ out:
}
/*
- * Estimate CPU frequency. Sets mips_counter_frequency as a side-effect
+ * Estimate CPU frequency. Sets mips_hpt_frequency as a side-effect
*/
static unsigned int __init estimate_cpu_frequency(void)
{
@@ -208,7 +208,8 @@ static unsigned int __init estimate_cpu_frequency(void)
count = 6000000;
#endif
#if defined(CONFIG_MIPS_ATLAS) || defined(CONFIG_MIPS_MALTA)
- unsigned int flags;
+ unsigned long flags;
+ unsigned int start;
local_irq_save(flags);
@@ -217,13 +218,13 @@ static unsigned int __init estimate_cpu_frequency(void)
while (!(CMOS_READ(RTC_REG_A) & RTC_UIP));
/* Start r4k counter. */
- write_c0_count(0);
+ start = read_c0_count();
/* Read counter exactly on falling edge of update flag */
while (CMOS_READ(RTC_REG_A) & RTC_UIP);
while (!(CMOS_READ(RTC_REG_A) & RTC_UIP));
- count = read_c0_count();
+ count = read_c0_count() - start;
/* restore interrupts */
local_irq_restore(flags);