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From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Michael Neuling <mikey@neuling.org>,
	Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
	"Shreyas B. Prabhu" <shreyasbp@gmail.com>,
	Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>,
	Stewart Smith <stewart@linux.vnet.ibm.com>,
	Balbir Singh <bsingharora@gmail.com>,
	"Oliver O'Halloran" <oohall@gmail.com>,
	Rob Herring <robh+dt@kernel.org>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
	"Gautham R. Shenoy" <ego@linux.vnet.ibm.com>,
	linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.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@linux.vnet.ibm.com>

On Wed, 2017-01-25 at 08:36:25 UTC, "Gautham R. Shenoy" wrote:
> From: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>
> 
> 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@gmail.com>
> Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/823b7bd5156a93872d9561b3f033df

cheers

WARNING: multiple messages have this Message-ID (diff)
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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  reply	other threads:[~2017-02-01  1:05 UTC|newest]

Thread overview: 19+ 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
2017-02-01  1:05   ` Michael Ellerman [this message]
2017-02-01  1:05     ` [v6,1/5] " Michael Ellerman
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
2017-01-30  3:47     ` Michael Ellerman
2017-01-30  7:12     ` Rafael J. Wysocki
2017-01-30  7:12       ` Rafael J. Wysocki
2017-01-30 11:17       ` Michael Ellerman
2017-01-30 11:17         ` Michael Ellerman
2017-01-30 11:41         ` Gautham R Shenoy
2017-01-30 11:41           ` Gautham R Shenoy
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   ` Gautham R. Shenoy
2017-01-25  8:36 ` [PATCH v6 5/5] Documentation:powerpc: Add device-tree bindings for power-mgt Gautham R. Shenoy
2017-01-25  8:36   ` Gautham R. Shenoy
2017-01-30 17:49   ` Rob Herring

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