Messages in this thread Patch in this message |  | | | Date | Fri, 04 Dec 2009 23:42:40 +0100 | | From | Emese Revfy <> | | Subject | [PATCH 25/31] Constify struct platform_hibernation_ops for 2.6.32 v1 |
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From: Emese Revfy <re.emese@gmail.com>
Constify struct platform_hibernation_ops.
Signed-off-by: Emese Revfy <re.emese@gmail.com> --- drivers/acpi/sleep.c | 4 ++-- include/linux/suspend.h | 24 ++++++++++++------------ kernel/power/hibernate.c | 4 ++-- 3 files changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 5f2c379..3f5957a 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -552,7 +552,7 @@ static void acpi_pm_enable_gpes(void) acpi_enable_all_runtime_gpes(); } -static struct platform_hibernation_ops acpi_hibernation_ops = { +static const struct platform_hibernation_ops acpi_hibernation_ops = { .begin = acpi_hibernation_begin, .end = acpi_pm_end, .pre_snapshot = acpi_hibernation_pre_snapshot, @@ -605,7 +605,7 @@ static int acpi_hibernation_pre_snapshot_old(void) * The following callbacks are used if the pre-ACPI 2.0 suspend ordering has * been requested. */ -static struct platform_hibernation_ops acpi_hibernation_ops_old = { +static const struct platform_hibernation_ops acpi_hibernation_ops_old = { .begin = acpi_hibernation_begin_old, .end = acpi_pm_end, .pre_snapshot = acpi_hibernation_pre_snapshot_old, diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 5e781d8..cb4cc7d 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -215,16 +215,16 @@ extern void mark_free_pages(struct zone *zone); * platforms which require special recovery actions in that situation. */ struct platform_hibernation_ops { - int (*begin)(void); - void (*end)(void); - int (*pre_snapshot)(void); - void (*finish)(void); - int (*prepare)(void); - int (*enter)(void); - void (*leave)(void); - int (*pre_restore)(void); - void (*restore_cleanup)(void); - void (*recover)(void); + int (* const begin)(void); + void (* const end)(void); + int (* const pre_snapshot)(void); + void (* const finish)(void); + int (* const prepare)(void); + int (* const enter)(void); + void (* const leave)(void); + int (* const pre_restore)(void); + void (* const restore_cleanup)(void); + void (* const recover)(void); }; #ifdef CONFIG_HIBERNATION @@ -243,7 +243,7 @@ extern void swsusp_set_page_free(struct page *); extern void swsusp_unset_page_free(struct page *); extern unsigned long get_safe_page(gfp_t gfp_mask); -extern void hibernation_set_ops(struct platform_hibernation_ops *ops); +extern void hibernation_set_ops(const struct platform_hibernation_ops *ops); extern int hibernate(void); extern bool system_entering_hibernation(void); #else /* CONFIG_HIBERNATION */ @@ -251,7 +251,7 @@ static inline int swsusp_page_is_forbidden(struct page *p) { return 0; } static inline void swsusp_set_page_free(struct page *p) {} static inline void swsusp_unset_page_free(struct page *p) {} -static inline void hibernation_set_ops(struct platform_hibernation_ops *ops) {} +static inline void hibernation_set_ops(const struct platform_hibernation_ops *ops) {} static inline int hibernate(void) { return -ENOSYS; } static inline bool system_entering_hibernation(void) { return false; } #endif /* CONFIG_HIBERNATION */ diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 04a9e90..bc355aa 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -48,14 +48,14 @@ enum { static int hibernation_mode = HIBERNATION_SHUTDOWN; -static struct platform_hibernation_ops *hibernation_ops; +static const struct platform_hibernation_ops *hibernation_ops; /** * hibernation_set_ops - set the global hibernate operations * @ops: the hibernation operations to use in subsequent hibernation transitions */ -void hibernation_set_ops(struct platform_hibernation_ops *ops) +void hibernation_set_ops(const struct platform_hibernation_ops *ops) { if (ops && !(ops->begin && ops->end && ops->pre_snapshot && ops->prepare && ops->finish && ops->enter && ops->pre_restore
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