On Mon, Oct 20, 2014 at 09:12:17PM -0700, Guenter Roeck wrote: > v2: > - poweroff -> power_off
Do you want to stick to power[-_ ]off consistently throughout? > - Add defines for default priorities > - Use raw notifiers protected by spinlocks instead of atomic notifiers > - Add register_poweroff_handler_simple > - Add devm_register_power_off_handler > > include/linux/pm.h | 22 ++++ > kernel/power/Makefile | 1 + > kernel/power/poweroff_handler.c | 252 > ++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 275 insertions(+) > create mode 100644 kernel/power/poweroff_handler.c > > diff --git a/include/linux/pm.h b/include/linux/pm.h > index 383fd68..7e0cb36 100644 > --- a/include/linux/pm.h > +++ b/include/linux/pm.h > @@ -34,7 +34,29 @@ > extern void (*pm_power_off)(void); > extern void (*pm_power_off_prepare)(void); > > +/* > + * Callbacks to manage poweroff handlers power-off > + */ > + > +struct notifier_block; > struct device; /* we have a circular dep with device.h */ > + > +int register_power_off_handler(struct notifier_block *); > +int devm_register_power_off_handler(struct device *, struct notifier_block > *); > +int register_power_off_handler_simple(void (*function)(void), int priority); > +int unregister_power_off_handler(struct notifier_block *); > +void do_kernel_power_off(void); > +bool have_kernel_power_off(void); > + > +/* > + * Pre-defined poweroff handler priorities power-off > + */ > +#define POWEROFF_PRIORITY_FALLBACK 0 > +#define POWEROFF_PRIORITY_LOW 64 > +#define POWEROFF_PRIORITY_DEFAULT 128 > +#define POWEROFF_PRIORITY_HIGH 192 > +#define POWEROFF_PRIORITY_HIGHEST 255 I think at least these ones should match the interface function and have a POWER_OFF_PRIORITY_ prefix. > + > #ifdef CONFIG_VT_CONSOLE_SLEEP > extern void pm_vt_switch_required(struct device *dev, bool required); > extern void pm_vt_switch_unregister(struct device *dev); > diff --git a/kernel/power/Makefile b/kernel/power/Makefile > index 29472bf..4d9f0c7 100644 > --- a/kernel/power/Makefile > +++ b/kernel/power/Makefile > @@ -2,6 +2,7 @@ > ccflags-$(CONFIG_PM_DEBUG) := -DDEBUG > > obj-y += qos.o > +obj-y += poweroff_handler.o > obj-$(CONFIG_PM) += main.o > obj-$(CONFIG_VT_CONSOLE_SLEEP) += console.o > obj-$(CONFIG_FREEZER) += process.o > diff --git a/kernel/power/poweroff_handler.c b/kernel/power/poweroff_handler.c > new file mode 100644 > index 0000000..aeb4736 > --- /dev/null > +++ b/kernel/power/poweroff_handler.c power_off_handler.c? > @@ -0,0 +1,252 @@ > +/* > + * linux/kernel/power/poweroff_handler.c - Poweroff handling functions > + * > + * Copyright (c) 2014 Guenter Roeck > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public Licence > + * as published by the Free Software Foundation; either version > + * 2 of the Licence, or (at your option) any later version. > + */ > + > +#define pr_fmt(fmt) "poweroff: " fmt power-off:? There's a bunch of these introduced by the driver patches as well (e.g. poweroff_nb). Johan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
