From caea99ef339af8e07cda8d03fa415e4b8820f400 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Tue, 8 Jan 2008 00:08:44 +0100 Subject: Hibernation: Introduce begin() and end() callbacks Introduce global hibernation callback .end() and rename global hibernation callback .start() to .begin(), in analogy with the recent modifications of the global suspend callbacks. Signed-off-by: Rafael J. Wysocki Signed-off-by: Len Brown --- include/linux/suspend.h | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'include/linux/suspend.h') diff --git a/include/linux/suspend.h b/include/linux/suspend.h index a0b1dbb5919f..646ce2d068d4 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -136,14 +136,17 @@ extern void mark_free_pages(struct zone *zone); /** * struct platform_hibernation_ops - hibernation platform support * - * The methods in this structure allow a platform to override the default - * mechanism of shutting down the machine during a hibernation transition. + * The methods in this structure allow a platform to carry out special + * operations required by it during a hibernation transition. * - * All three methods must be assigned. + * All the methods below must be implemented. * - * @start: Tell the platform driver that we're starting hibernation. + * @begin: Tell the platform driver that we're starting hibernation. * Called right after shrinking memory and before freezing devices. * + * @end: Called by the PM core right after resuming devices, to indicate to + * the platform that the system has returned to the working state. + * * @pre_snapshot: Prepare the platform for creating the hibernation image. * Called right after devices have been frozen and before the nonboot * CPUs are disabled (runs with IRQs on). @@ -178,7 +181,8 @@ extern void mark_free_pages(struct zone *zone); * thawing devices (runs with IRQs on). */ struct platform_hibernation_ops { - int (*start)(void); + int (*begin)(void); + void (*end)(void); int (*pre_snapshot)(void); void (*finish)(void); int (*prepare)(void); -- cgit v1.2.2