diff options
| author | David Howells <dhowells@redhat.com> | 2012-03-28 18:30:02 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2012-03-28 18:30:02 +0100 |
| commit | ae3a197e3d0bfe3f4bf1693723e82dc018c096f3 (patch) | |
| tree | 12a222c01afd73dbc3ebb6859952083e2eb96441 /arch/powerpc/include/asm/processor.h | |
| parent | 527dcdccd60759ee38e6224c93f87a6194d970ad (diff) | |
Disintegrate asm/system.h for PowerPC
Disintegrate asm/system.h for PowerPC.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
cc: linuxppc-dev@lists.ozlabs.org
Diffstat (limited to 'arch/powerpc/include/asm/processor.h')
| -rw-r--r-- | arch/powerpc/include/asm/processor.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index b585bff1a02..8e2d0371fe1 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -385,6 +385,36 @@ static inline unsigned long get_clean_sp(struct pt_regs *regs, int is_32) extern unsigned long cpuidle_disable; enum idle_boot_override {IDLE_NO_OVERRIDE = 0, IDLE_POWERSAVE_OFF}; +extern int powersave_nap; /* set if nap mode can be used in idle loop */ +void cpu_idle_wait(void); + +#ifdef CONFIG_PSERIES_IDLE +extern void update_smt_snooze_delay(int snooze); +extern int pseries_notify_cpuidle_add_cpu(int cpu); +#else +static inline void update_smt_snooze_delay(int snooze) {} +static inline int pseries_notify_cpuidle_add_cpu(int cpu) { return 0; } +#endif + +extern void flush_instruction_cache(void); +extern void hard_reset_now(void); +extern void poweroff_now(void); +extern int fix_alignment(struct pt_regs *); +extern void cvt_fd(float *from, double *to); +extern void cvt_df(double *from, float *to); +extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); + +#ifdef CONFIG_PPC64 +/* + * We handle most unaligned accesses in hardware. On the other hand + * unaligned DMA can be very expensive on some ppc64 IO chips (it does + * powers of 2 writes until it reaches sufficient alignment). + * + * Based on this we disable the IP header alignment in network drivers. + */ +#define NET_IP_ALIGN 0 +#endif + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PROCESSOR_H */ |