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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5859AC04A68 for ; Thu, 28 Jul 2022 10:49:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236426AbiG1Kta (ORCPT ); Thu, 28 Jul 2022 06:49:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47328 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236506AbiG1KtV (ORCPT ); Thu, 28 Jul 2022 06:49:21 -0400 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89BE81CB2F; Thu, 28 Jul 2022 03:49:20 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id w5so1631030edd.13; Thu, 28 Jul 2022 03:49:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=1netyXqxN8LoQutKcJoVO+jDbqbk0SXq/iCrpa5tJis=; b=S7iooPA9SW/rWe0Vw/8nRSfGfhPN7ZrTceGOAkLKY+o+YF5WeIRcD9IleGdX3BMyiA hnh6NoDGtjgWJ7THpfiJBi38l0OukqxI3p90Lh/4juvvPZfZ/kOvRGkcLX9SWtaHrYhw ONZDPRYwcQ6PGMpuUh35R+vPkbNxT4k+OD7a/BUX3V1G1HuQaEqTXLlis0TXEBgaQzdQ KVF9wYu3GPwx/Ky8EuuxSPfxcsypHGgOilbBtalA8TURf6y0nTtGatyUjkPxmoIxSODA VTj0OQDfdi2SekzMVglNd3m79Kb7uc/8uvhczq0q0rGhFdQaSAWXcG2pJcyzBz6XHmpB 8lsw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=1netyXqxN8LoQutKcJoVO+jDbqbk0SXq/iCrpa5tJis=; b=h1kI9U12dibW/w03viVLUdnH/QJIZyaHKrEXj3Bad6paLzs0EM/8BIOk4dowI1URbe 09IBtnKaPwQBx5i7syg+iyBoFPwkWpFsLCt/Eoxo0qCIaxFQo6TNn/P5kWd3jayepKsJ fGtGmHX4m9PXrBwdIhbd/TdYdnYzBWL1oiY2/+y1eLMJrvwqOsVxklYYNQBwVa50D5iC qHoDDQbVOklSKmIHHQQDPYGXpb7EUSZttgLQWPfDp3B29xr2AU+7/VJ8PmG2y9ViN1Ut 8m1ppLWUPmrOdXun0Rt2R20kL7PBvD7spCQmRsI2jYCPH8H4FbsBP0wtd7TTYM3Igab2 WuUw== X-Gm-Message-State: AJIora/bA1GbS/dP1ZMorRUR9s/2vADeeWxNHvxz3kbN+ZIQ5qHjJO1O sIVFHuqLwucENtutq75Yf+I= X-Google-Smtp-Source: AGRyM1s2Tyc60OcmMpIwUQW6VJAW25PxwvECWEIpLZdp9ffQnRO3HXtDAaFK8j5PDJ1FaC37ERLEQA== X-Received: by 2002:a05:6402:1859:b0:43c:b0db:3f9a with SMTP id v25-20020a056402185900b0043cb0db3f9amr7638223edy.120.1659005359007; Thu, 28 Jul 2022 03:49:19 -0700 (PDT) Received: from [192.168.2.202] (pd9ea36f8.dip0.t-ipconnect.de. [217.234.54.248]) by smtp.gmail.com with ESMTPSA id w7-20020aa7d287000000b0043bc19efc15sm446272edq.28.2022.07.28.03.49.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 28 Jul 2022 03:49:18 -0700 (PDT) Message-ID: <5ec2dae9-39ca-f3d3-f9ae-11ad9fb59f2f@gmail.com> Date: Thu, 28 Jul 2022 12:49:17 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH 4/4] dt-bindings: firmware: Add Qualcomm UEFI Secure Application client Content-Language: en-US To: Krzysztof Kozlowski , Andy Gross , Bjorn Andersson , Ard Biesheuvel Cc: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Steev Klimaszewski , Shawn Guo , Sudeep Holla , Cristian Marussi , Greg Kroah-Hartman , linux-arm-msm@vger.kernel.org, linux-efi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Dmitry Baryshkov , Vinod Koul References: <20220723224949.1089973-1-luzmaximilian@gmail.com> <20220723224949.1089973-5-luzmaximilian@gmail.com> <87c19c5a-d7f4-7183-1322-f62267e01b3b@gmail.com> <11e5c369-c0da-7756-b9e2-ac375dc78e9d@linaro.org> <2e522bcd-5d55-e87f-126c-514f5edaa560@gmail.com> <53a602e2-0590-6c6a-597b-fd55faa3a4ab@linaro.org> <95cbcda8-d1bc-376c-b338-92d1b923f04a@linaro.org> From: Maximilian Luz In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/28/22 12:38, Krzysztof Kozlowski wrote: > On 28/07/2022 12:25, Maximilian Luz wrote: >> On 7/28/22 09:48, Krzysztof Kozlowski wrote: >> >> [...] >> >>> >>> For example like tegra_bpmp_get() is doing. >> >> But tegra_bpmp_get() can also not differentiate whether the supplier driver is >> ever going to be successfully probed or not. I'm not sure you can ever really >> solve that. The only thing it does in addition is check whether the phandle and >> device is there. Or do you mean those not being present by "broken"? That's a >> point I agree should be improved with SCM. > > Yes, at least it checks if phandles points to proper device and device > is there. That's what we want. > > We are not solving here case of providing being in a module which never > gets loaded (thus endless EPROBE_DEFER). Such case is ok. Got it, thanks for that clarification! Regards, Max