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authorVaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>2014-02-26 05:38:25 +0530
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-03-05 15:56:31 +1100
commitaca79d2b6ec2c0b955b22abb71c6dab90fa1d4d5 (patch)
treed4eb7a475ad1c2163719924bc1886ff7b2dff3bf /arch/powerpc/include/asm/processor.h
parent1b7839559b3f1c7a09ff94904788a732063ce2de (diff)
downloadop-kernel-dev-aca79d2b6ec2c0b955b22abb71c6dab90fa1d4d5.zip
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powerpc/powernv: Add context management for Fast Sleep
Before adding Fast-Sleep into the cpuidle framework, some low level support needs to be added to enable it. This includes saving and restoring of certain registers at entry and exit time of this state respectively just like we do in the NAP idle state. Signed-off-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> [Changelog modified by Preeti U. Murthy <preeti@linux.vnet.ibm.com>] Signed-off-by: Preeti U. Murthy <preeti@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/processor.h')
-rw-r--r--arch/powerpc/include/asm/processor.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index b62de43..d660dc3 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -450,6 +450,7 @@ 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 */
extern void power7_nap(void);
+extern void power7_sleep(void);
extern void flush_instruction_cache(void);
extern void hard_reset_now(void);
extern void poweroff_now(void);
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