diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac/time.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/time.c | 66 |
1 files changed, 17 insertions, 49 deletions
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c index 5d9afa1fa02..8680bb69795 100644 --- a/arch/powerpc/platforms/powermac/time.c +++ b/arch/powerpc/platforms/powermac/time.c @@ -9,7 +9,6 @@ * Copyright (C) 2003-2005 Benjamin Herrenschmidt. * */ -#include <linux/config.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> @@ -27,7 +26,6 @@ #include <asm/sections.h> #include <asm/prom.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/pgtable.h> #include <asm/machdep.h> @@ -85,18 +83,23 @@ long __init pmac_time_init(void) return delta; } +#if defined(CONFIG_ADB_CUDA) || defined(CONFIG_ADB_PMU) static void to_rtc_time(unsigned long now, struct rtc_time *tm) { to_tm(now, tm); tm->tm_year -= 1900; tm->tm_mon -= 1; } +#endif +#if defined(CONFIG_ADB_CUDA) || defined(CONFIG_ADB_PMU) || \ + defined(CONFIG_PMAC_SMU) static unsigned long from_rtc_time(struct rtc_time *tm) { return mktime(tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); } +#endif #ifdef CONFIG_ADB_CUDA static unsigned long cuda_get_time(void) @@ -261,13 +264,16 @@ int __init via_calibrate_decr(void) struct resource rsrc; vias = of_find_node_by_name(NULL, "via-cuda"); - if (vias == 0) + if (vias == NULL) vias = of_find_node_by_name(NULL, "via-pmu"); - if (vias == 0) + if (vias == NULL) vias = of_find_node_by_name(NULL, "via"); - if (vias == 0 || of_address_to_resource(vias, 0, &rsrc)) + if (vias == NULL || of_address_to_resource(vias, 0, &rsrc)) { + of_node_put(vias); return 0; - via = ioremap(rsrc.start, rsrc.end - rsrc.start + 1); + } + of_node_put(vias); + via = ioremap(rsrc.start, resource_size(&rsrc)); if (via == NULL) { printk(KERN_ERR "Failed to map VIA for timer calibration !\n"); return 0; @@ -293,54 +299,16 @@ int __init via_calibrate_decr(void) ppc_tb_freq = (dstart - dend) * 100 / 6; iounmap(via); - + return 1; } #endif -#ifdef CONFIG_PM -/* - * Reset the time after a sleep. - */ -static int -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: - do { - seq = read_seqbegin_irqsave(&xtime_lock, flags); - time_diff = xtime.tv_sec - pmac_get_boot_time(); - } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - break; - case PBOOK_WAKE: - tv.tv_sec = pmac_get_boot_time() + time_diff; - tv.tv_nsec = 0; - do_settimeofday(&tv); - break; - } - return PBOOK_SLEEP_OK; -} - -static struct pmu_sleep_notifier time_sleep_notifier = { - time_sleep_notify, SLEEP_LEVEL_MISC, -}; -#endif /* CONFIG_PM */ - /* * Query the OF and get the decr frequency. */ void __init pmac_calibrate_decr(void) { -#ifdef CONFIG_PM - /* XXX why here? */ - pmu_register_sleep_notifier(&time_sleep_notifier); -#endif /* CONFIG_PM */ - generic_calibrate_decr(); #ifdef CONFIG_PPC32 @@ -348,9 +316,9 @@ void __init pmac_calibrate_decr(void) * calibration. That's better since the VIA itself seems * to be slightly off. --BenH */ - if (!machine_is_compatible("MacRISC2") && - !machine_is_compatible("MacRISC3") && - !machine_is_compatible("MacRISC4")) + if (!of_machine_is_compatible("MacRISC2") && + !of_machine_is_compatible("MacRISC3") && + !of_machine_is_compatible("MacRISC4")) if (via_calibrate_decr()) return; @@ -359,7 +327,7 @@ void __init pmac_calibrate_decr(void) * probably implement calibration based on the KL timer on these * machines anyway... -BenH */ - if (machine_is_compatible("PowerMac3,5")) + if (of_machine_is_compatible("PowerMac3,5")) if (via_calibrate_decr()) return; #endif |