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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 CA921C433DB for ; Wed, 27 Jan 2021 15:49:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A0147207B7 for ; Wed, 27 Jan 2021 15:49:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236678AbhA0PsT (ORCPT ); Wed, 27 Jan 2021 10:48:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236550AbhA0PrK (ORCPT ); Wed, 27 Jan 2021 10:47:10 -0500 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4A92C0612F2 for ; Wed, 27 Jan 2021 07:44:46 -0800 (PST) Received: by mail-wm1-x333.google.com with SMTP id u14so1906856wml.4 for ; Wed, 27 Jan 2021 07:44:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=P/EAy3wFo2SkAvzlEqANsfgzLeO0MB9eAURTmLNsvNA=; b=mb07EcDaQibTEwHyo1+my09q6bkkLrDK+31eVBj3xeA3p0boN8Cnn6DHCFEjErg6ay 1qVr03v/rFH29yu2BvCS2DbIo97LHYGyuv88KKQNM2MTQ2+U4Bl3vu4LuBfUSrrG7uak 6aDNhLCw2Q8ymqA8LvqcjEjg/PNki0B2ltIM9AHHsXFIhulJH5o+h060GC3ZenURtkBN 8ysP23TmFVJIj6bNYAQip6zL0bPvbTVeQPIGR30xGFngU0oajhJjG2BRFpYrUvvg5WBo NmGSP9P24o0UZJ3BVjroLLiiBev9KxkbokaPnFyaRq/BegljrmRMi+x5tle1qwRvtGKF m2jw== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=P/EAy3wFo2SkAvzlEqANsfgzLeO0MB9eAURTmLNsvNA=; b=UNHM/reRpnhdvDJ3Av/fnNojgw31+UkQXGBPTk86FqrfOQyWz0G4mhZGoPnsQ//IGO tnd8ijnbKfi36MJ4cw9mSLDSuu3aDCuT00kc9KsCwWNTjgM10rkV+NQ47Bph2SCcsRQ4 dQG62uiLzO7droRrGes1DCT9xlGqUZ+T9bwRV91yXDmt1SkhyMGZo/zE/jDrVFLeYAbz g1lgoZF/utd1MvcVPVY+PuP/7se0wzdLOjOV6S2XITCJ3vfK5vQyYfieCsVjnE+b5fVi /HvH8UslU/fEFsg8aZ5vMb7GN8fODbsuIWKa5POB7q1yhFpXNdmV1UgKxZnQXf+U1gk7 TD3A== X-Gm-Message-State: AOAM5311fohmbrefJXjDFLNRGIVsGF81/yHHBBMeS+Xgw+z21Lv5F0kb UyOm8k5R+aHXOSI7NM99Xgv5/Q== X-Google-Smtp-Source: ABdhPJxDNGjMbngdefhVghUfb0JN88zaAJwQb8TwLjwsDCOpCI43m4o3Qu457Rvsh0CFa6Zcy7TnHA== X-Received: by 2002:a1c:e407:: with SMTP id b7mr4745128wmh.46.1611762285528; Wed, 27 Jan 2021 07:44:45 -0800 (PST) Received: from localhost.localdomain ([2001:1715:4e26:a7e0:116c:c27a:3e7f:5eaf]) by smtp.gmail.com with ESMTPSA id r13sm3046921wmh.9.2021.01.27.07.44.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Jan 2021 07:44:44 -0800 (PST) From: Jean-Philippe Brucker To: joro@8bytes.org, will@kernel.org Cc: lorenzo.pieralisi@arm.com, robh+dt@kernel.org, guohanjun@huawei.com, sudeep.holla@arm.com, rjw@rjwysocki.net, lenb@kernel.org, robin.murphy@arm.com, Jonathan.Cameron@huawei.com, eric.auger@redhat.com, iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-accelerators@lists.ozlabs.org, baolu.lu@linux.intel.com, jacob.jun.pan@linux.intel.com, kevin.tian@intel.com, vdumpa@nvidia.com, zhangfei.gao@linaro.org, shameerali.kolothum.thodi@huawei.com, vivek.gautam@arm.com, Jean-Philippe Brucker Subject: [PATCH v12 09/10] ACPI/IORT: Enable stall support for platform devices Date: Wed, 27 Jan 2021 16:43:22 +0100 Message-Id: <20210127154322.3959196-10-jean-philippe@linaro.org> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210127154322.3959196-1-jean-philippe@linaro.org> References: <20210127154322.3959196-1-jean-philippe@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Copy the "Stall supported" bit, that tells whether a named component supports stall, into the dma-can-stall device property. Acked-by: Jonathan Cameron Signed-off-by: Jean-Philippe Brucker --- drivers/acpi/arm64/iort.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index c9a8bbb74b09..42820d7eb869 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -968,13 +968,15 @@ static int iort_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data) static void iort_named_component_init(struct device *dev, struct acpi_iort_node *node) { - struct property_entry props[2] = {}; + struct property_entry props[3] = {}; struct acpi_iort_named_component *nc; nc = (struct acpi_iort_named_component *)node->node_data; props[0] = PROPERTY_ENTRY_U32("pasid-num-bits", FIELD_GET(ACPI_IORT_NC_PASID_BITS, nc->node_flags)); + if (nc->node_flags & ACPI_IORT_NC_STALL_SUPPORTED) + props[1] = PROPERTY_ENTRY_BOOL("dma-can-stall"); if (device_add_properties(dev, props)) dev_warn(dev, "Could not add device properties\n"); -- 2.30.0