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 C32CCC433EF for ; Thu, 10 Mar 2022 01:35:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232656AbiCJBgn (ORCPT ); Wed, 9 Mar 2022 20:36:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229744AbiCJBgk (ORCPT ); Wed, 9 Mar 2022 20:36:40 -0500 Received: from mail-oi1-f177.google.com (mail-oi1-f177.google.com [209.85.167.177]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54D861275DD; Wed, 9 Mar 2022 17:35:37 -0800 (PST) Received: by mail-oi1-f177.google.com with SMTP id x193so4576698oix.0; Wed, 09 Mar 2022 17:35:37 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=5UzCHhypSkLJprIXAcMJhvJcBDOhuIsnr/TqtkFrZpo=; b=nkcUU9jyuCDHQcemk/fY/d43WDO/fHwlrT+cP6IRSRRb4DKWNgXiboc20XR3KQz/gi e3VFutzD4cXdP0gsr08k9WBoSYypSnmza2Sug0I514ajVr25o9Wpvv2Jdw3gCQqGnClB DHau/mE1PFJDFGMo3ILi9KxD9QXOBZKTSAgytQgu4GTZGqjG7+L8s1+wsfioy+QM6963 C1PtwjioFqng4jIQ7KvZ3+TqZvL+wF7K4jKA6C7zbE3dfv2/7dxDxhMVevL/VTqLtAql JN6EvoQnIwYZ3h9rpsL7EbXYXWfCGePJGyCCeRd+oeBOkCS5c6UvbWQFR24eLpqqam5I Ruww== X-Gm-Message-State: AOAM532s0XDgwJphMxORsp1pfP/MmVla3YYvn/B6Uapo/8I7WHKBR/EV YW3I2Td9yrKIslWjrnwH/oxLyZ+g+w== X-Google-Smtp-Source: ABdhPJzXxezvZ337NuQsQzgroJveKS/fHqg0+gFbTkvhk/uJ9k69i1LpQrABuKsRN0em6jlNQ/6aSg== X-Received: by 2002:a05:6808:114d:b0:2d9:c932:d713 with SMTP id u13-20020a056808114d00b002d9c932d713mr7802966oiu.210.1646876136599; Wed, 09 Mar 2022 17:35:36 -0800 (PST) Received: from xps15.. (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.googlemail.com with ESMTPSA id ds3-20020a0568705b0300b000d9c70e5275sm1627152oab.54.2022.03.09.17.35.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Mar 2022 17:35:35 -0800 (PST) From: Rob Herring To: "Michael S. Tsirkin" , Jason Wang , Krzysztof Kozlowski , Jean-Philippe Brucker Cc: virtualization@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] dt-bindings: virtio,mmio: Allow setting devices 'dma-coherent' Date: Wed, 9 Mar 2022 19:35:27 -0600 Message-Id: <20220310013528.549030-1-robh@kernel.org> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 'virtio,mmio' devices are always coherent within a guest. As Arm DTs are default non-coherent, the 'dma-coherent' property needs to be set on the virtio device to mark them as such. This aligns with the QEMU 'virt' machine DTB. Signed-off-by: Rob Herring --- Documentation/devicetree/bindings/virtio/mmio.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/virtio/mmio.yaml b/Documentation/devicetree/bindings/virtio/mmio.yaml index 4b7a0273181c..10c22b5bd16a 100644 --- a/Documentation/devicetree/bindings/virtio/mmio.yaml +++ b/Documentation/devicetree/bindings/virtio/mmio.yaml @@ -20,6 +20,8 @@ properties: reg: maxItems: 1 + dma-coherent: true + interrupts: maxItems: 1 -- 2.32.0