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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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  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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