diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-06-03 10:41:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-06-03 10:41:08 +0200 |
| commit | 27eb4a1e4a56afacb0540c24084b9e0342f9956b (patch) | |
| tree | 85bd26c6d7cdee8ee4c2d69d195f3e2bdbbc54fe /arch/arm/include/asm/fiq.h | |
| parent | 64ce312618ef0e11d88def80effcefd1b59fdb1e (diff) | |
| parent | 55922c9d1b84b89cb946c777fddccb3247e7df2c (diff) | |
Merge commit 'v3.0-rc1' into perf/core
Merge reason: merge in the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/include/asm/fiq.h')
| -rw-r--r-- | arch/arm/include/asm/fiq.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/include/asm/fiq.h b/arch/arm/include/asm/fiq.h index 2242ce22ec6c..d493d0b742a1 100644 --- a/arch/arm/include/asm/fiq.h +++ b/arch/arm/include/asm/fiq.h @@ -4,6 +4,13 @@ * Support for FIQ on ARM architectures. * Written by Philip Blundell <philb@gnu.org>, 1998 * Re-written by Russell King + * + * NOTE: The FIQ mode registers are not magically preserved across + * suspend/resume. + * + * Drivers which require these registers to be preserved across power + * management operations must implement appropriate suspend/resume handlers to + * save and restore them. */ #ifndef __ASM_FIQ_H @@ -29,9 +36,21 @@ struct fiq_handler { extern int claim_fiq(struct fiq_handler *f); extern void release_fiq(struct fiq_handler *f); extern void set_fiq_handler(void *start, unsigned int length); -extern void set_fiq_regs(struct pt_regs *regs); -extern void get_fiq_regs(struct pt_regs *regs); extern void enable_fiq(int fiq); extern void disable_fiq(int fiq); +/* helpers defined in fiqasm.S: */ +extern void __set_fiq_regs(unsigned long const *regs); +extern void __get_fiq_regs(unsigned long *regs); + +static inline void set_fiq_regs(struct pt_regs const *regs) +{ + __set_fiq_regs(®s->ARM_r8); +} + +static inline void get_fiq_regs(struct pt_regs *regs) +{ + __get_fiq_regs(®s->ARM_r8); +} + #endif |