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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 95F22C3F68F for ; Wed, 8 Jan 2020 06:54:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6B59C2073A for ; Wed, 8 Jan 2020 06:54:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="I69W7MIm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726346AbgAHGyp (ORCPT ); Wed, 8 Jan 2020 01:54:45 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:37235 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725908AbgAHGyp (ORCPT ); Wed, 8 Jan 2020 01:54:45 -0500 Received: by mail-pg1-f195.google.com with SMTP id q127so1088759pga.4 for ; Tue, 07 Jan 2020 22:54:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=message-id:mime-version:content-transfer-encoding:in-reply-to :references:cc:subject:to:from:user-agent:date; bh=jrDSpPlac7LfKsNtNNcdyco4L0d7qWfB7luT8Ldf28Y=; b=I69W7MImSC2wNVx/FY0O7PzWcgYEwrZUPpWt7h55LmqvKIrIQDJUgcvL643IVqK6mN bvfR68TMy3Dls/cKYwYlmiG8iVgRgxM2v08um2gSy4qJG0HRE4DwpZOvX88psHT0NT2z b/Q/gp1vjy0nAnB5/nlsA9NHEByMbm188IcJY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:mime-version :content-transfer-encoding:in-reply-to:references:cc:subject:to:from :user-agent:date; bh=jrDSpPlac7LfKsNtNNcdyco4L0d7qWfB7luT8Ldf28Y=; b=Ues/pNC0kO8KTZi6t85HsPGwCEYHe9goJCfpizn4BcQNyFypuZYascNCsqyFlUaieV OjoX48ReNvUU5rP1pCZInWijKTE2dij7C63aYDa2Ociqr3TQM7li6aQIt8vsiLjQj2NE v9Tj4km5ABWSl+T6di7u3A66wr355fvS+ir/THBNQNWmLpfhdGcN0oyquJI48HXhPi8l kSAlYAKXoZSNG7FDMHcJ9aCKmDL43N7sRzmDPzvTBxsnfrth3K5qWibSDVurUPgSG+7P qZVB1CTiAs/QEdSaxrhwvlrN0VweNLlsljMMpodm+S4/IW6pKP5PbWimcaBJcewIhQLA uJfQ== X-Gm-Message-State: APjAAAUhpPIH6kRSEyzHDAxQ1o81rSkuw96NaO4/I1QOWVQfMOfsqBSk 4RxGkFxiBpiW7JYE1bgWqclsE8W0s5iVZg== X-Google-Smtp-Source: APXvYqz8or0Ls9NkRnH1QhAOAttYIbiRMPl/me//+J1jryiU1iq3zijNwoGBlvn8iwQILz//9BLm+w== X-Received: by 2002:a63:1b54:: with SMTP id b20mr3695731pgm.312.1578466484350; Tue, 07 Jan 2020 22:54:44 -0800 (PST) Received: from chromium.org ([2620:15c:202:1:fa53:7765:582b:82b9]) by smtp.gmail.com with ESMTPSA id x11sm1836650pfn.53.2020.01.07.22.54.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jan 2020 22:54:43 -0800 (PST) Message-ID: <5e157cb3.1c69fb81.4f0ae.6172@mx.google.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20200108064253.GB4023550@builder> References: <1578431066-19600-1-git-send-email-eberman@codeaurora.org> <20200108064253.GB4023550@builder> Cc: agross@kernel.org, Stephan Gerhold , saiprakash.ranjan@codeaurora.org, tsoni@codeaurora.org, sidgup@codeaurora.org, psodagud@codeaurora.org, Brian Masney , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 00/17] Restructure, improve target support for qcom_scm driver To: Bjorn Andersson , Elliot Berman From: Stephen Boyd User-Agent: alot/0.8.1 Date: Tue, 07 Jan 2020 22:54:43 -0800 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Bjorn Andersson (2020-01-07 22:42:53) > On Tue 07 Jan 13:04 PST 2020, Elliot Berman wrote: >=20 > > This series improves support for 32-bit Qualcomm targets on qcom_scm dr= iver and cleans > > up the driver for 64-bit implementations. > >=20 > > Currently, the qcom_scm driver supports only 64-bit Qualcomm targets an= d very > > old 32-bit Qualcomm targets. Newer 32-bit targets use ARM's SMC Calling > > Convention to communicate with secure world. Older 32-bit targets use a > > "buffer-based" legacy approach for communicating with secure world (as > > implemented in qcom_scm-32.c). All arm64 Qualcomm targets use ARM SMCCC. > > Currently, SMCCC-based communication is enabled only on ARM64 config and > > buffer-based communication only on ARM config. This patch-series combin= es SMCCC > > and legacy conventions and selects the correct convention by querying t= he secure > > world [1]. > >=20 > > We decided to take the opportunity as well to clean up the driver rathe= r than > > try to patch together qcom_scm-32 and qcom_scm-64. > >=20 >=20 > Series applied. Without the change-ids presumably? I was going to review the patch series tomorrow but I guess no more need! ;-)