From: Michael Ellerman <patch-notifications-Gsx/Oe8HsFggBc27wqDAHg@public.gmane.org>
To: 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>,
Balbir Singh
<bsingharora-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Oliver O'Halloran
<oohall-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Gautham R. Shenoy"
<ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org
Subject: Re: [v6,1/5] powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro
Date: Wed, 1 Feb 2017 12:05:30 +1100 (AEDT) [thread overview]
Message-ID: <3vClL26Q2hz9rxw@ozlabs.org> (raw)
In-Reply-To: <1485333389-5752-2-git-send-email-ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
On Wed, 2017-01-25 at 08:36:25 UTC, "Gautham R. Shenoy" wrote:
> From: "Gautham R. Shenoy" <ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
>
> Currently all the low-power idle states are expected to wake up
> at reset vector 0x100. Which is why the macro IDLE_STATE_ENTER_SEQ
> that puts the CPU to an idle state and never returns.
>
> On ISA v3.0, when the ESL and EC bits in the PSSCR are zero, the CPU
> is expected to wake up at the next instruction of the idle
> instruction.
>
> This patch adds a new macro named IDLE_STATE_ENTER_SEQ_NORET for the
> no-return variant and reuses the name IDLE_STATE_ENTER_SEQ
> for a variant that allows resuming operation at the instruction next
> to the idle-instruction.
>
> Acked-by: Balbir Singh <bsingharora-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Gautham R. Shenoy <ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Series applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/823b7bd5156a93872d9561b3f033df
cheers
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next prev parent reply other threads:[~2017-02-01 1:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-25 8:36 [PATCH v6 0/5] powernv:stop: Use psscr_val,mask provided by firmware Gautham R. Shenoy
2017-01-25 8:36 ` [PATCH v6 1/5] powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro Gautham R. Shenoy
[not found] ` <1485333389-5752-2-git-send-email-ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2017-02-01 1:05 ` Michael Ellerman [this message]
2017-01-25 8:36 ` [PATCH v6 2/5] powernv:stop: Rename pnv_arch300_idle_init to pnv_power9_idle_init Gautham R. Shenoy
2017-01-25 8:36 ` [PATCH v6 3/5] cpuidle:powernv: Add helper function to populate powernv idle states Gautham R. Shenoy
2017-01-30 3:47 ` Michael Ellerman
[not found] ` <871svlxl7w.fsf-W0DJWXSxmBNbyGPkN3NxC2scP1bn1w/D@public.gmane.org>
2017-01-30 7:12 ` Rafael J. Wysocki
[not found] ` <CAJZ5v0j_vzsaNeYNBmKs3oMnXyVHF_3chRjeTEwQA_k0TDc3Nw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-01-30 11:17 ` Michael Ellerman
[not found] ` <87efzkx0dd.fsf-W0DJWXSxmBNbyGPkN3NxC2scP1bn1w/D@public.gmane.org>
2017-01-30 11:41 ` Gautham R Shenoy
[not found] ` <1485333389-5752-1-git-send-email-ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2017-01-25 8:36 ` [PATCH v6 4/5] powernv: Pass PSSCR value and mask to power9_idle_stop Gautham R. Shenoy
2017-01-25 8:36 ` [PATCH v6 5/5] Documentation:powerpc: Add device-tree bindings for power-mgt Gautham R. Shenoy
2017-01-30 17:49 ` Rob Herring
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