From b819a9bfc7ae5a1ab5bab18c7e0dbe40bf2289a9 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 12 Dec 2007 01:21:26 +1100 Subject: [PATCH] [POWERPC] via-pmu: Kill sleep notifiers completely This kills off the remnants of the old sleep notifiers now that they are no longer used. Signed-off-by: Johannes Berg Cc: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- drivers/macintosh/via-pmu.c | 71 ------------------------------------- include/linux/pmu.h | 36 ------------------- 2 files changed, 107 deletions(-) diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index 35e1f22089..6df3f3503e 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -174,7 +174,6 @@ static struct proc_dir_entry *proc_pmu_batt[PMU_MAX_BATTERIES]; int __fake_sleep; int asleep; -BLOCKING_NOTIFIER_HEAD(sleep_notifier_list); #ifdef CONFIG_ADB static int adb_dev_map; @@ -1719,67 +1718,7 @@ pmu_present(void) return via != 0; } -#ifdef CONFIG_PM_SLEEP - -static LIST_HEAD(sleep_notifiers); - -int -pmu_register_sleep_notifier(struct pmu_sleep_notifier *n) -{ - struct list_head *list; - struct pmu_sleep_notifier *notifier; - - for (list = sleep_notifiers.next; list != &sleep_notifiers; - list = list->next) { - notifier = list_entry(list, struct pmu_sleep_notifier, list); - if (n->priority > notifier->priority) - break; - } - __list_add(&n->list, list->prev, list); - return 0; -} -EXPORT_SYMBOL(pmu_register_sleep_notifier); - -int -pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* n) -{ - if (n->list.next == 0) - return -ENOENT; - list_del(&n->list); - n->list.next = NULL; - return 0; -} -EXPORT_SYMBOL(pmu_unregister_sleep_notifier); -#endif /* CONFIG_PM_SLEEP */ - #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) - -/* Sleep is broadcast last-to-first */ -static void broadcast_sleep(int when) -{ - struct list_head *list; - struct pmu_sleep_notifier *notifier; - - for (list = sleep_notifiers.prev; list != &sleep_notifiers; - list = list->prev) { - notifier = list_entry(list, struct pmu_sleep_notifier, list); - notifier->notifier_call(notifier, when); - } -} - -/* Wake is broadcast first-to-last */ -static void broadcast_wake(void) -{ - struct list_head *list; - struct pmu_sleep_notifier *notifier; - - for (list = sleep_notifiers.next; list != &sleep_notifiers; - list = list->next) { - notifier = list_entry(list, struct pmu_sleep_notifier, list); - notifier->notifier_call(notifier, PBOOK_WAKE); - } -} - /* * This struct is used to store config register values for * PCI devices which may get powered off when we sleep. @@ -1962,9 +1901,6 @@ pmac_suspend_devices(void) pm_prepare_console(); - /* Notify old-style device drivers */ - broadcast_sleep(PBOOK_SLEEP_REQUEST); - /* Sync the disks. */ /* XXX It would be nice to have some way to ensure that * nobody is dirtying any new buffers while we wait. That @@ -1973,12 +1909,9 @@ pmac_suspend_devices(void) */ sys_sync(); - broadcast_sleep(PBOOK_SLEEP_NOW); - /* Send suspend call to devices, hold the device core's dpm_sem */ ret = device_suspend(PMSG_SUSPEND); if (ret) { - broadcast_wake(); printk(KERN_ERR "Driver sleep failed\n"); return -EBUSY; } @@ -2019,7 +1952,6 @@ pmac_suspend_devices(void) local_irq_enable(); preempt_enable(); device_resume(); - broadcast_wake(); printk(KERN_ERR "Driver powerdown failed\n"); return -EBUSY; } @@ -2073,9 +2005,6 @@ pmac_wakeup_devices(void) /* Resume devices */ device_resume(); - /* Notify old style drivers */ - broadcast_wake(); - pm_restore_console(); return 0; diff --git a/include/linux/pmu.h b/include/linux/pmu.h index b7824c2153..177ae4812b 100644 --- a/include/linux/pmu.h +++ b/include/linux/pmu.h @@ -159,42 +159,6 @@ extern void pmu_unlock(void); extern int pmu_present(void); extern int pmu_get_model(void); -#ifdef CONFIG_PM -/* - * Stuff for putting the powerbook to sleep and waking it again. - * - */ -#include - -struct pmu_sleep_notifier -{ - void (*notifier_call)(struct pmu_sleep_notifier *self, int when); - int priority; - struct list_head list; -}; - -/* Code values for calling sleep/wakeup handlers - */ -#define PBOOK_SLEEP_REQUEST 1 -#define PBOOK_SLEEP_NOW 2 -#define PBOOK_WAKE 3 - -/* priority levels in notifiers */ -#define SLEEP_LEVEL_VIDEO 100 /* Video driver (first wake) */ -#define SLEEP_LEVEL_MEDIABAY 90 /* Media bay driver */ -#define SLEEP_LEVEL_BLOCK 80 /* IDE, SCSI */ -#define SLEEP_LEVEL_NET 70 /* bmac, gmac */ -#define SLEEP_LEVEL_MISC 60 /* Anything else */ -#define SLEEP_LEVEL_USERLAND 55 /* Reserved for apm_emu */ -#define SLEEP_LEVEL_ADB 50 /* ADB (async) */ -#define SLEEP_LEVEL_SOUND 40 /* Sound driver (blocking) */ - -/* special register notifier functions */ -int pmu_register_sleep_notifier(struct pmu_sleep_notifier* notifier); -int pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* notifier); - -#endif /* CONFIG_PM */ - #define PMU_MAX_BATTERIES 2 /* values for pmu_power_flags */ -- 2.39.5