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=-18.8 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 52F35C4332D for ; Fri, 8 Jan 2021 15:03:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 147FE239FE for ; Fri, 8 Jan 2021 15:03:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726735AbhAHPDw (ORCPT ); Fri, 8 Jan 2021 10:03:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726935AbhAHPDv (ORCPT ); Fri, 8 Jan 2021 10:03:51 -0500 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E367BC0612A9 for ; Fri, 8 Jan 2021 07:02:41 -0800 (PST) Received: by mail-wr1-x42e.google.com with SMTP id q18so9348857wrn.1 for ; Fri, 08 Jan 2021 07:02:41 -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=M6xu+NZsefpfo8WqjQL32PlY8NL0QuBVkGqSt5snD+A=; b=kxuUCMV1WAqpwwvoibNUsWYrlPgddFb1B3XDtYKriSKJqhZ7YxBdz7idYeFiPEusdj oSxwzMXDVtdAhRbiUIPtiWxDXm3EOdY0B1oZ4RFYK1eN63WYymsf6s1QMgxe1Fp+XJLm 7MYSyOGWzgv+FVOhkD8wVISPR0VlGxk9zmYIDuW8ATAmQ8SghsBmSoZJE31MhRs/IXU7 jcMsXHSkhBXTuv9sJLCqbDDqfbxZnhaRfmDInXFrql1M/HVbnCpK9DeM9XJWQDFfFBiX CVAh4zvNMBGGzxZ42Xa9GLW4zEO7yuaspaFGL8sBAQLWZMjutowtPglRsb0G7rH8euGW 4JKQ== 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=M6xu+NZsefpfo8WqjQL32PlY8NL0QuBVkGqSt5snD+A=; b=lER3TcNY6nbqW91napMgiPEJAShCxyrBIXFLyvXg6LBbM3XzIpDudRT5JSqU3z5fqE F7l0mZ4JjjIy7xPmFLhL42BI3JOK+vZVcxHcjwqTNkufzdbbakYFXLoQupSaXpy3egXl i6eOHEpPN7QaaZajmHkjaandjckZjBEuKMxlHWO6AfWdfQ2GokgYJ3QKDhhBdGpBpTf7 9NVtBCP4pRkDKkZ+GzgBAvB6R2LNK9EpBO0G1RFjfCsal2cLyxIet2LQABd0SHKmInu7 Un7xu0yZ8DGz7R53zgZLF26u8YZw2/i2FMmIAtKjnGVWlQpiJngOty0KMLyPaeMG/awN Eveg== X-Gm-Message-State: AOAM531076Vu53KwLn8YwgU8+rED5GhCA9ITbDbRS4reNqHak5E7Sjdz JhhKjv42UnvR0hqoCidIVbjBgA== X-Google-Smtp-Source: ABdhPJxXGloEPafSPINGJsoqaUcfHJIL8u06StaksnduujJItHcYtBuA/olK4ECauRMs3Zhmv7TwtA== X-Received: by 2002:a05:6000:c9:: with SMTP id q9mr3946567wrx.259.1610118160590; Fri, 08 Jan 2021 07:02:40 -0800 (PST) Received: from localhost.localdomain ([2001:1715:4e26:a7e0:116c:c27a:3e7f:5eaf]) by smtp.gmail.com with ESMTPSA id s13sm14258464wra.53.2021.01.08.07.02.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Jan 2021 07:02:39 -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, vdumpa@nvidia.com, zhangfei.gao@linaro.org, shameerali.kolothum.thodi@huawei.com, vivek.gautam@arm.com, Jean-Philippe Brucker Subject: [PATCH v9 09/10] ACPI/IORT: Enable stall support for platform devices Date: Fri, 8 Jan 2021 15:52:17 +0100 Message-Id: <20210108145217.2254447-10-jean-philippe@linaro.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210108145217.2254447-1-jean-philippe@linaro.org> References: <20210108145217.2254447-1-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. Signed-off-by: Jean-Philippe Brucker --- v9: dropped fwspec member in favor of device properties --- 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"); -- 2.29.2