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PM/Hibernate: Move NVS routines into a seperate file (v2).

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The *_nvs_* routines in swsusp.c make use of the io*map()
functions, which are only provided for HAS_IOMEM, thus
breaking compilation if HAS_IOMEM is not set. Fix this
by moving the *_nvs_* routines into hibernate_nvs.c, which
is only compiled if HAS_IOMEM is set.

[rjw: Change the name of the new file to hibernate_nvs.c, add the
 license line to the header comment.]

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Cornelia Huck
2009-06-10 01:28:19 +02:00
committed by Rafael J. Wysocki
parent 8b759b84c8
commit fce2b111fa
5 changed files with 151 additions and 129 deletions
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18
include/linux/suspend.h
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@@ -245,11 +245,6 @@ extern unsigned long get_safe_page(gfp_t gfp_mask);
extern void hibernation_set_ops(struct platform_hibernation_ops *ops);
extern int hibernate(void);
extern int hibernate_nvs_register(unsigned long start, unsigned long size);
extern int hibernate_nvs_alloc(void);
extern void hibernate_nvs_free(void);
extern void hibernate_nvs_save(void);
extern void hibernate_nvs_restore(void);
extern bool system_entering_hibernation(void);
#else /* CONFIG_HIBERNATION */
static inline int swsusp_page_is_forbidden(struct page *p) { return 0; }
@@ -258,6 +253,16 @@ static inline void swsusp_unset_page_free(struct page *p) {}
static inline void hibernation_set_ops(struct platform_hibernation_ops *ops) {}
static inline int hibernate(void) { return -ENOSYS; }
static inline bool system_entering_hibernation(void) { return false; }
#endif /* CONFIG_HIBERNATION */
#ifdef CONFIG_HIBERNATION_NVS
extern int hibernate_nvs_register(unsigned long start, unsigned long size);
extern int hibernate_nvs_alloc(void);
extern void hibernate_nvs_free(void);
extern void hibernate_nvs_save(void);
extern void hibernate_nvs_restore(void);
#else /* CONFIG_HIBERNATION_NVS */
static inline int hibernate_nvs_register(unsigned long a, unsigned long b)
{
return 0;
@@ -266,8 +271,7 @@ static inline int hibernate_nvs_alloc(void) { return 0; }
static inline void hibernate_nvs_free(void) {}
static inline void hibernate_nvs_save(void) {}
static inline void hibernate_nvs_restore(void) {}
static inline bool system_entering_hibernation(void) { return false; }
#endif /* CONFIG_HIBERNATION */
#endif /* CONFIG_HIBERNATION_NVS */
#ifdef CONFIG_PM_SLEEP
void save_processor_state(void);