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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 9245AC2D0D1 for ; Wed, 18 Dec 2019 16:06:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 666022072B for ; Wed, 18 Dec 2019 16:06:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="C1i8TT0B" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727390AbfLRQG5 (ORCPT ); Wed, 18 Dec 2019 11:06:57 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:33840 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727610AbfLRQG5 (ORCPT ); Wed, 18 Dec 2019 11:06:57 -0500 Received: by mail-wr1-f67.google.com with SMTP id t2so2912327wrr.1 for ; Wed, 18 Dec 2019 08:06:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=ilGmQzgVpyz5+GgzhiMi4TnzxPgEeCNgmk38TMF+kZE=; b=C1i8TT0BKaZyqPij7EJiWtjjPH+4RB1V0a/wUUSe/JhD9Oslbx/1Q6XBpUW4q/UXah aoe7twq2cCcWk0bOOJ8Gb45nCWzluMIaHz3zLYW62oA0JAIGE4LCdpdOofh0hHYbNncr 7MRGFnhVHQ4QYKCyBPZDcJ+yuntrIOsJELzFkUuNbHJ5GH97ieyD4Hx/gV1FrVok8xPE jNC4iIRl7+jgHUADTihavmD3bgyz/hMLa6NPMD4z0NlctNZH0ccJcgj2fU8QyAbECLao R/3/iPqI0xBufIyVNwBG7j7oOgv1rd4/DaFeC9pHElsyRmZy3qcm5xpPdim14xbF4VWO YKKg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=ilGmQzgVpyz5+GgzhiMi4TnzxPgEeCNgmk38TMF+kZE=; b=Rcx5BObb3OoUHE8TEC+UgS4gWTiy27Zvq+r8C6VOgNxEIwbnTNKFn6Dzs6DVY4FK2G TjXIS/KyMbc2aJ3OVgD2qJqqEoYsbacs103QB7Nfn6ymuJHDXUOgwDBGbDny1WdVUSLN 3qtj65nybM3MWsDn2aZ4gizDlE3hWZTmUIq929ZHClA8elPud+qTfj+m4KtEFq54TFjj HDmuLjQ/GntWdlCLAuWS3MzdyPmNoserKAfMDa8GIlun1+P0Dy0JtP3lLumm6n1Kq/b4 FlIKc/v6OruggQCq2OXD/eaSUCycjfLFt61H3WYAwgPX2WHDDFY8NYYZ7u/k/tyjNJut yoOw== X-Gm-Message-State: APjAAAUO5AX7azsRYNwIQRfbhbi7h3PtAdZ13/OiQpk6Ae/jsiB5/sNY gq05NRbPhcf/Q9uMuyT4cbNVkw== X-Google-Smtp-Source: APXvYqzlJfnzBPNvhgPh9GCf337cLxDV4nJ7SDFk/WvYc0UpuKM/kTPeUg6Rln8M6dK6UBAz2n6nYw== X-Received: by 2002:a5d:4dc9:: with SMTP id f9mr3435991wru.297.1576685214969; Wed, 18 Dec 2019 08:06:54 -0800 (PST) Received: from myrica (adsl-84-227-176-239.adslplus.ch. [84.227.176.239]) by smtp.gmail.com with ESMTPSA id d14sm3236857wru.9.2019.12.18.08.06.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Dec 2019 08:06:54 -0800 (PST) Date: Wed, 18 Dec 2019 17:06:49 +0100 From: Jean-Philippe Brucker To: Auger Eric Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, joro@8bytes.org, robh+dt@kernel.org, mark.rutland@arm.com, lorenzo.pieralisi@arm.com, guohanjun@huawei.com, sudeep.holla@arm.com, rjw@rjwysocki.net, lenb@kernel.org, will@kernel.org, robin.murphy@arm.com, bhelgaas@google.com, jonathan.cameron@huawei.com, zhangfei.gao@linaro.org Subject: Re: [PATCH v3 03/13] iommu/arm-smmu-v3: Support platform SSID Message-ID: <20191218160649.GE2371701@myrica> References: <20191209180514.272727-1-jean-philippe@linaro.org> <20191209180514.272727-4-jean-philippe@linaro.org> <06c57de4-cfca-f95f-ac06-ab6f49a028a3@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <06c57de4-cfca-f95f-ac06-ab6f49a028a3@redhat.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, Dec 18, 2019 at 11:17:40AM +0100, Auger Eric wrote: > Hi Jean, > > On 12/9/19 7:05 PM, Jean-Philippe Brucker wrote: > > For platform devices that support SubstreamID (SSID), firmware provides > > the number of supported SSID bits. Restrict it to what the SMMU supports > > and cache it into master->ssid_bits, which will also be used for PCI > > PASID. > > > > Signed-off-by: Jean-Philippe Brucker > the title of the patch does not really explain what it actually does. At > this stage we are far from supporting SSIDs ;-) Same for 04? Alright I'll make this "Parse PASID devicetree property of platform devices" and "Parse SSID property of named component node" Thanks, Jean