diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/time.c | 27 | ||||
| -rw-r--r-- | arch/ppc64/kernel/pmac_time.c | 14 |
2 files changed, 14 insertions, 27 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index d1608473075f..7d406b73a855 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -548,11 +548,9 @@ int do_settimeofday(struct timespec *tv) EXPORT_SYMBOL(do_settimeofday); -#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_MAPLE) || defined(CONFIG_PPC_BPA) || defined(CONFIG_PPC_ISERIES) void __init generic_calibrate_decr(void) { struct device_node *cpu; - struct div_result divres; unsigned int *fp; int node_found; @@ -591,20 +589,7 @@ void __init generic_calibrate_decr(void) "(not found)\n"); of_node_put(cpu); - - printk(KERN_INFO "time_init: decrementer frequency = %lu.%.6lu MHz\n", - ppc_tb_freq/1000000, ppc_tb_freq%1000000); - printk(KERN_INFO "time_init: processor frequency = %lu.%.6lu MHz\n", - ppc_proc_freq/1000000, ppc_proc_freq%1000000); - - tb_ticks_per_jiffy = ppc_tb_freq / HZ; - tb_ticks_per_sec = tb_ticks_per_jiffy * HZ; - tb_ticks_per_usec = ppc_tb_freq / 1000000; - tb_to_us = mulhwu_scale_factor(ppc_tb_freq, 1000000); - div128_by_32(1024*1024, 0, tb_ticks_per_sec, &divres); - tb_to_xs = divres.result_low; } -#endif unsigned long get_boot_time(void) { @@ -633,6 +618,18 @@ void __init time_init(void) ppc_md.calibrate_decr(); + printk(KERN_INFO "time_init: decrementer frequency = %lu.%.6lu MHz\n", + ppc_tb_freq / 1000000, ppc_tb_freq % 1000000); + printk(KERN_INFO "time_init: processor frequency = %lu.%.6lu MHz\n", + ppc_proc_freq / 1000000, ppc_proc_freq % 1000000); + + tb_ticks_per_jiffy = ppc_tb_freq / HZ; + tb_ticks_per_sec = tb_ticks_per_jiffy * HZ; + tb_ticks_per_usec = ppc_tb_freq / 1000000; + tb_to_us = mulhwu_scale_factor(ppc_tb_freq, 1000000); + div128_by_32(1024*1024, 0, tb_ticks_per_sec, &res); + tb_to_xs = res.result_low; + #ifdef CONFIG_PPC64 get_paca()->default_decr = tb_ticks_per_jiffy; #endif diff --git a/arch/ppc64/kernel/pmac_time.c b/arch/ppc64/kernel/pmac_time.c index 56f335115916..928bf213ec4e 100644 --- a/arch/ppc64/kernel/pmac_time.c +++ b/arch/ppc64/kernel/pmac_time.c @@ -152,8 +152,7 @@ unsigned long __init pmac_get_boot_time(void) void __init pmac_calibrate_decr(void) { struct device_node *cpu; - unsigned int freq, *fp; - struct div_result divres; + unsigned int *fp; /* * The cpu node should have a timebase-frequency property @@ -165,16 +164,7 @@ void __init pmac_calibrate_decr(void) fp = (unsigned int *) get_property(cpu, "timebase-frequency", NULL); if (fp == 0) panic("can't get cpu timebase frequency"); - freq = *fp; - printk("time_init: decrementer frequency = %u.%.6u MHz\n", - freq/1000000, freq%1000000); - tb_ticks_per_jiffy = freq / HZ; - tb_ticks_per_sec = tb_ticks_per_jiffy * HZ; - tb_ticks_per_usec = freq / 1000000; - tb_to_us = mulhwu_scale_factor(freq, 1000000); - div128_by_32( 1024*1024, 0, tb_ticks_per_sec, &divres ); - tb_to_xs = divres.result_low; - ppc_tb_freq = freq; + ppc_tb_freq = *fp; fp = (unsigned int *)get_property(cpu, "clock-frequency", NULL); if (fp == 0) |
