Received: by 2002:a05:6a10:f3d0:0:0:0:0 with SMTP id a16csp6005249pxv; Wed, 7 Jul 2021 17:23:02 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwYopI5lA8wM7kvUSH3etWw+psK+V5R6MMqjKdop/pJW96cncLqgYcJi0u2hNCb5u54qtb/ X-Received: by 2002:aa7:d554:: with SMTP id u20mr33869440edr.50.1625703782144; Wed, 07 Jul 2021 17:23:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1625703782; cv=none; d=google.com; s=arc-20160816; b=u9OLJp32r5ePVj6ixgcaCeHR3c6YbOGoVyhAsvASr45dcM4h49JdyIWtvPB9z6LAEh 14QPmb6ESn4uqOMt7SFHwz7K/gsFNnCgmw2VTa52FdB7JrnRYGMg1GRjvZYozYHVx1bw YJfgxD8Qd90ZQDiJcqGB78nzQLXhu2WoflN6IHNTazxzXnL0I5DXQFHHdqTSZzvNam53 aq4rmMJhP4ljJttV4fv92yPBDJQq8qq9SIxAWx8UaqGgtb1KqFRa4PbDa5JGO3DjNGa2 dFzXjBm/ys39aQNvTEUQ4FPcj71nzPeI8RyluaR2goeBlWN71b40rj+GA4tXZc5r8m2h hkKw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:user-agent:from :references:in-reply-to:mime-version:dkim-signature; bh=4Jcoi/05Elu+fjtRGsBy67bn+XnaWnaiX33y57x5HyU=; b=brsQlznUu8xzr4fA+FwsNon8ObTCFKHCpetsX/pNFQ9ojqNGZehy/9JLbOrnmyLQvU +yUv499UQ6Ki0w3iOnHFoIRq7vSPiFvsVZeDBLScE7NPSsPjWkkRU2RxP7mF5IBDv/bh UDnvSKfAMuw9ZrDrzwSDRz3d4XwN+sSuSWu3UJjoR4BAcflHPokF2EiCa9rBqXD3+E+I tmpf34XelVqbQfBp/tmn3n5g55fi9eHEnOdxh1AzJzAvVoSdqkVJuA3P7dmBUBqAE4Pr SfASB0oc7Y+uGKPDyF6SGFjVhm2uqni043/tYJWrjHOo2MeZQmFHLGPLbk68Yjc8Oo0D leLA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b="LJ/AaTjn"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id do10si610308ejc.306.2021.07.07.17.22.37; Wed, 07 Jul 2021 17:23:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b="LJ/AaTjn"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230103AbhGHAYO (ORCPT + 99 others); Wed, 7 Jul 2021 20:24:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229519AbhGHAYO (ORCPT ); Wed, 7 Jul 2021 20:24:14 -0400 Received: from mail-ot1-x32c.google.com (mail-ot1-x32c.google.com [IPv6:2607:f8b0:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95FEFC06175F for ; Wed, 7 Jul 2021 17:21:33 -0700 (PDT) Received: by mail-ot1-x32c.google.com with SMTP id n99-20020a9d206c0000b029045d4f996e62so4133181ota.4 for ; Wed, 07 Jul 2021 17:21:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:in-reply-to:references:from:user-agent:date:message-id :subject:to:cc; bh=4Jcoi/05Elu+fjtRGsBy67bn+XnaWnaiX33y57x5HyU=; b=LJ/AaTjnptRLUW7CzFFdWX5BhvP80VTDIH3AaF6G4I9qFjmvr/2KfE8Vg+C50eaaMq 7YJr2OOr46Hd2NJ1J0WWWRd7p463OjFl5lobQl5SCifALPPlPQlexEK0axo6uMr6qG0q n8JHZXsiZ0h5qNabNJfhjC6kWrPBmVMDMV6ng= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from :user-agent:date:message-id:subject:to:cc; bh=4Jcoi/05Elu+fjtRGsBy67bn+XnaWnaiX33y57x5HyU=; b=VvMfgHdoiRvuG1CvmTDOx79G8yVhz1VyAStrA8VBO6pqZp3cg7nHm1KJ7X/lgrKQmc 3nvclcoEXxnEGKjOF/BO+3HQSTwqjip6djEno8TDJ7fZdv/Wb4HuZeA7b/aA7VWuEAmW 0kd7jL9FWEPAaZ1LIYnrmO2R7FmJUOu4H2gS7ZFc8lUkRUnAQXlorwc/FllOd3wLcGwO DIdnP5ObQwk0yZiGY9wf1l4+SCkuohFoVq1x9qqBg7NIFHG5tKm+6lMgIIwDbZ2N+g2k 8JvZ3rqA0cX2E+Lx99WIEoE4FRa42oCV+7MXYkmP4DB63j+cLPohgeycoiHzHqb1nmf3 DUSA== X-Gm-Message-State: AOAM532Yf+2ueHnE8v0oCPcnVFS4PTE0D2VDTsaB67R/Hxv+IqnEXhRF 858EM0EBpZv4nRe68i5PmmJdIB40jAC1gw2ej2SU0g== X-Received: by 2002:a9d:8c7:: with SMTP id 65mr21941770otf.25.1625703693006; Wed, 07 Jul 2021 17:21:33 -0700 (PDT) Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Thu, 8 Jul 2021 00:21:32 +0000 MIME-Version: 1.0 In-Reply-To: <20210703005416.2668319-2-bjorn.andersson@linaro.org> References: <20210703005416.2668319-1-bjorn.andersson@linaro.org> <20210703005416.2668319-2-bjorn.andersson@linaro.org> From: Stephen Boyd User-Agent: alot/0.9.1 Date: Thu, 8 Jul 2021 00:21:32 +0000 Message-ID: Subject: Re: [PATCH 1/2] soc: qcom: rpmhpd: Use corner in power_off To: Andy Gross , Bjorn Andersson , Dmitry Baryshkov , Rajendra Nayak , Ulf Hansson Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Bjorn Andersson (2021-07-02 17:54:15) > rpmhpd_aggregate_corner() takes a corner as parameter, but in > rpmhpd_power_off() the code requests the level of the first corner > instead. > > In all (known) current cases the first corner has level 0, so this > change should be a nop, but in case that there's a power domain with a > non-zero lowest level this makes sure that rpmhpd_power_off() actually > requests the lowest level - which is the closest to "power off" we can > get. > > While touching the code, also skip the unnecessary zero-initialization > of "ret". > > Fixes: 279b7e8a62cc ("soc: qcom: rpmhpd: Add RPMh power domain driver") > Signed-off-by: Bjorn Andersson > --- I think this is why qcom folks talk about "virtual corner" and "physical corner" because there's the one in command DB and the one in hardware. Maybe we should change rpmhpd_aggregate_corner() to call the argument 'vcorner'? Unfortunately we can't really build a type system here to make this problem easy to catch with a mismatched type, unless there's some sort of typedef trick we can play? Reviewed-by: Stephen Boyd