From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B8C5C2BBC7 for ; Mon, 13 Apr 2020 07:00:44 +0000 (UTC) Received: from vger.kernel.org (unknown [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EFA30206A1 for ; Mon, 13 Apr 2020 07:00:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CR8c8Hlx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EFA30206A1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729087AbgDMHAn (ORCPT ); Mon, 13 Apr 2020 03:00:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.18]:55942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727692AbgDMHAm (ORCPT ); Mon, 13 Apr 2020 03:00:42 -0400 Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 82575C008651; Mon, 13 Apr 2020 00:00:41 -0700 (PDT) Received: by mail-pg1-x544.google.com with SMTP id i3so67133pgk.1; Mon, 13 Apr 2020 00:00:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=vq9fVC/+atcm9sq/MZsavv/suvJU7kj+o+ueUYxNyc4=; b=CR8c8HlxxuKiXNyCthLNzWYOFiWWWq/N2EQHg+YZb11uAbVxigFRy6IHJFMOy07j/i Qt1LJfKU7HudAz5rsUO7sCAOTSPeqkjXR8qjS8LPCfnt/ymY8xXDHTeQK0iB+V+6mgKs WJe3AaawQB54O2xlpb7A1YXAWUUrQhmqntkwSVanEw7sHLXg96bEVSJAaPGavaySrtOT Ds9cjEztjHzfZmUEGnCr5RVmsDAaJp+SfEdVGX1bl914YR9KHfwJ+GZOT9CENuBGQJdu 6LwCgY2Lgf2cQjBE5JgWozwcUGJvSgCIQx0I7kXkpqNSlk/uD+PRAVKnhybHWf2nmU1+ d+lA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=vq9fVC/+atcm9sq/MZsavv/suvJU7kj+o+ueUYxNyc4=; b=RjMEU/tc2Lcj1JvCXkqYpO8M7Y2Cp0ckXGx+ywhkjQAk+Q6phu4XRmyAmoak6LK6xH 9FCmEYSiQO5NKvmloc1X7FxQMx4c6UfVyxow/7emzE3rUeSW3UbRwxLXALa69N9yFsT3 KE7S1tuAyGIa2mYM2Xaw3A/LlQAI2PMARWLmqLvSBwheKe5VETQGTYaucfmWKH5IWq/J EZZ0M0BIAi5runRy0ucX0/QlgmXStgI//hLCmyrp2YIbztZT6R1+Vj4MWnPuth4FZy64 rQzZEkVAYzRFzUjvVI/i26VTyjXCtnE0ZADJiLH7wr4tv4euTwm0XqxAa0ShpwV2lh+v rW6Q== X-Gm-Message-State: AGi0PuaVkeN2qpnt8nj8QTg+K9j4A89WNd3evfazZ8Yc3ApjOHQaxR+E z1NMP3gWtfzZWnQaWQiu5RQ= X-Google-Smtp-Source: APiQypJXOLKJmWnL8c+MQV5lQGIKFp6AH0keWS6hBKsja5EQEQiaT3oQ5MtfGpxL0FMP2zNbuBvbrg== X-Received: by 2002:a63:230f:: with SMTP id j15mr15933448pgj.393.1586761241161; Mon, 13 Apr 2020 00:00:41 -0700 (PDT) Received: from ubt.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id p4sm7815670pfg.163.2020.04.13.00.00.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Apr 2020 00:00:40 -0700 (PDT) From: zhang.lyra@gmail.com To: "Rafael J . Wysocki" , Daniel Lezcano , Rob Herring , Mark Rutland Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Chunyan Zhang , Chunyan Zhang Subject: [RFC PATCH v1 0/2] allow idle state to be found as deepest state for s2idle only Date: Mon, 13 Apr 2020 15:00:12 +0800 Message-Id: <20200413070014.12960-1-zhang.lyra@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chunyan Zhang We can add a new c-state to let system suspend enter into the same deep state as s2ram when using s2idle, but we don't want other cases to use that c-state, such as play_idle() which would find the deepest state by invoking find_deepest_state() as well. This patch-set provides users an option which can restrict c-state to be found as deepest state for s2idle only. Chunyan Zhang (2): cpuidle: allow idle state to be found as deepest state for s2idle only dt-bindings: arm: Add description to the new property for-s2idle-only Documentation/devicetree/bindings/arm/idle-states.yaml | 10 +++++++++- drivers/cpuidle/cpuidle.c | 3 ++- drivers/cpuidle/dt_idle_states.c | 3 +++ include/linux/cpuidle.h | 1 + 4 files changed, 15 insertions(+), 2 deletions(-) -- 2.20.1