From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750796AbdBABFu (ORCPT ); Tue, 31 Jan 2017 20:05:50 -0500 Received: from ozlabs.org ([103.22.144.67]:57961 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750851AbdBABFs (ORCPT ); Tue, 31 Jan 2017 20:05:48 -0500 X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 823b7bd5156a93872d9561b3f033dfe5cb80204e In-Reply-To: <1485333389-5752-2-git-send-email-ego@linux.vnet.ibm.com> To: "Gautham R. Shenoy" , Benjamin Herrenschmidt , Paul Mackerras , "Rafael J. Wysocki" , Daniel Lezcano , Michael Neuling , Vaidyanathan Srinivasan , "Shreyas B. Prabhu" , Shilpasri G Bhat , Stewart Smith , Balbir Singh , "Oliver O'Halloran" , Rob Herring From: Michael Ellerman Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, "Gautham R. Shenoy" , 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 Message-Id: <3vClL26Q2hz9rxw@ozlabs.org> Date: Wed, 1 Feb 2017 12:05:30 +1100 (AEDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2017-01-25 at 08:36:25 UTC, "Gautham R. Shenoy" wrote: > From: "Gautham R. Shenoy" > > 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 > Signed-off-by: Gautham R. Shenoy Series applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/823b7bd5156a93872d9561b3f033df cheers From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Ellerman Subject: Re: [v6,1/5] powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro Date: Wed, 1 Feb 2017 12:05:30 +1100 (AEDT) Message-ID: <3vClL26Q2hz9rxw@ozlabs.org> References: <1485333389-5752-2-git-send-email-ego@linux.vnet.ibm.com> Return-path: In-Reply-To: <1485333389-5752-2-git-send-email-ego-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Benjamin Herrenschmidt , Paul Mackerras , "Rafael J. Wysocki" , Daniel Lezcano , Michael Neuling , Vaidyanathan Srinivasan , "Shreyas B. Prabhu" , Shilpasri G Bhat , Stewart Smith , Balbir Singh , Oliver O'Halloran , Rob Herring Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Gautham R. Shenoy" , linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org List-Id: devicetree@vger.kernel.org On Wed, 2017-01-25 at 08:36:25 UTC, "Gautham R. Shenoy" wrote: > From: "Gautham R. Shenoy" > > 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 > Signed-off-by: Gautham R. Shenoy Series applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/823b7bd5156a93872d9561b3f033df cheers -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html