Re: [PATCH v4 1/4] powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro
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From: Gautham R Shenoy <hidden>
Date: 2016-12-14 06:35:58
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linux-devicetree, linux-pm, lkml
Hi Balbir, On Tue, Dec 13, 2016 at 09:13:26PM +1100, Balbir Singh wrote:
On 10/12/16 00:32, Gautham R. Shenoy wrote:quoted
From: "Gautham R. Shenoy" <redacted>diff --git a/arch/powerpc/include/asm/cpuidle.h b/arch/powerpc/include/asm/cpuidle.h index 3919332..0a3255b 100644 --- a/arch/powerpc/include/asm/cpuidle.h +++ b/arch/powerpc/include/asm/cpuidle.h@@ -21,7 +21,7 @@ /* Idle state entry routines */ #ifdef CONFIG_PPC_P7_NAP -#define IDLE_STATE_ENTER_SEQ(IDLE_INST) \ +#define IDLE_STATE_ENTER_SEQ(IDLE_INST) \ /* Magic NAP/SLEEP/WINKLE mode enter sequence */ \ std r0,0(r1); \ ptesync; \@@ -29,6 +29,9 @@ 1: cmpd cr0,r0,r0; \ bne 1b; \ IDLE_INST; \ +Is the power saving magic sequence the same as before for power 9 as well?
Yes, this is the same magic sequence for POWER9. -- Thanks and Regards gautham.