diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac/time.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/time.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c index 3ee6d8aa14c4..eb9969b52f96 100644 --- a/arch/powerpc/platforms/powermac/time.c +++ b/arch/powerpc/platforms/powermac/time.c @@ -6,6 +6,8 @@ * * Paul Mackerras August 1996. * Copyright (C) 1996 Paul Mackerras. + * Copyright (C) 2003-2005 Benjamin Herrenschmidt. + * */ #include <linux/config.h> #include <linux/errno.h> @@ -19,7 +21,9 @@ #include <linux/adb.h> #include <linux/cuda.h> #include <linux/pmu.h> +#include <linux/interrupt.h> #include <linux/hardirq.h> +#include <linux/rtc.h> #include <asm/sections.h> #include <asm/prom.h> @@ -30,6 +34,14 @@ #include <asm/time.h> #include <asm/nvram.h> +#undef DEBUG + +#ifdef DEBUG +#define DBG(x...) printk(x) +#else +#define DBG(x...) +#endif + /* Apparently the RTC stores seconds since 1 Jan 1904 */ #define RTC_OFFSET 2082844800 @@ -54,10 +66,7 @@ /* Bits in IFR and IER */ #define T1_INT 0x40 /* Timer 1 interrupt */ -extern struct timezone sys_tz; - -long __init -pmac_time_init(void) +long __init pmac_time_init(void) { #ifdef CONFIG_NVRAM s32 delta = 0; @@ -210,7 +219,7 @@ via_calibrate_decr(void) tb_ticks_per_jiffy = (dstart - dend) / ((6 * HZ)/100); tb_to_us = mulhwu_scale_factor(dstart - dend, 60000); - printk(KERN_INFO "via_calibrate_decr: ticks per jiffy = %u (%u ticks)\n", + printk(KERN_INFO "via_calibrate_decr: ticks per jiffy = %lu (%u ticks)\n", tb_ticks_per_jiffy, dstart - dend); iounmap(via); @@ -228,6 +237,7 @@ time_sleep_notify(struct pmu_sleep_notifier *self, int when) static unsigned long time_diff; unsigned long flags; unsigned long seq; + struct timespec tv; switch (when) { case PBOOK_SLEEP_NOW: @@ -237,11 +247,9 @@ time_sleep_notify(struct pmu_sleep_notifier *self, int when) } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); break; case PBOOK_WAKE: - write_seqlock_irqsave(&xtime_lock, flags); - xtime.tv_sec = pmac_get_rtc_time() + time_diff; - xtime.tv_nsec = 0; - last_rtc_update = xtime.tv_sec; - write_sequnlock_irqrestore(&xtime_lock, flags); + tv.tv_sec = pmac_get_boot_time() + time_diff; + tv.tv_nsec = 0; + do_settimeofday(&tv); break; } return PBOOK_SLEEP_OK; |