From: Gautham R Shenoy <ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
To: Balbir Singh <bsingharora-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "Gautham R. Shenoy"
<ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
Michael Ellerman <mpe-Gsx/Oe8HsFggBc27wqDAHg@public.gmane.org>,
Benjamin Herrenschmidt
<benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>,
Paul Mackerras <paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>,
"Rafael J. Wysocki" <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
Daniel Lezcano
<daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Michael Neuling <mikey-/owAOxkjmzZAfugRpC6u6w@public.gmane.org>,
Vaidyanathan Srinivasan
<svaidy-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
"Shreyas B. Prabhu"
<shreyasbp-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Shilpasri G Bhat
<shilpa.bhat-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
Stewart Smith
<stewart-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
Oliver O'Halloran
<oohall-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Subject: Re: [PATCH v4 1/4] powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro
Date: Wed, 14 Dec 2016 12:05:45 +0530 [thread overview]
Message-ID: <20161214063545.GA26271@in.ibm.com> (raw)
In-Reply-To: <f1bc3387-1118-6fd7-8e1b-2e59bfabdad1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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:
> > From: "Gautham R. Shenoy" <ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
> > 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.
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next prev parent reply other threads:[~2016-12-14 6:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-09 13:31 [PATCH v4 0/4] powernv:stop: Use psscr_val,mask provided by firmware Gautham R. Shenoy
[not found] ` <cover.1481288905.git.ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2016-12-09 13:32 ` [PATCH v4 1/4] powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro Gautham R. Shenoy
2016-12-13 10:13 ` Balbir Singh
[not found] ` <f1bc3387-1118-6fd7-8e1b-2e59bfabdad1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-12-14 6:35 ` Gautham R Shenoy [this message]
2016-12-09 13:32 ` [PATCH v4 2/4] cpuidle:powernv: Add helper function to populate powernv idle states Gautham R. Shenoy
[not found] ` <36f9cd2d944772d8e414a8240f9ec36eaec65ebd.1481288905.git.ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2016-12-13 11:51 ` Balbir Singh
2016-12-14 7:14 ` Gautham R Shenoy
2016-12-09 13:32 ` [PATCH v4 3/4] powernv: Pass PSSCR value and mask to power9_idle_stop Gautham R. Shenoy
2016-12-14 0:16 ` Balbir Singh
2016-12-14 9:02 ` Gautham R Shenoy
2016-12-09 13:32 ` [PATCH v4 4/4] Documentation:powerpc: Add device-tree bindings for power-mgt Gautham R. Shenoy
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