From patchwork Fri Mar 10 14:47:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 661971 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 60DDEC74A5B for ; Fri, 10 Mar 2023 14:49:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233290AbjCJOtk (ORCPT ); Fri, 10 Mar 2023 09:49:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233162AbjCJOsU (ORCPT ); Fri, 10 Mar 2023 09:48:20 -0500 Received: from mail-oi1-f170.google.com (mail-oi1-f170.google.com [209.85.167.170]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1BFC3121153; Fri, 10 Mar 2023 06:47:35 -0800 (PST) Received: by mail-oi1-f170.google.com with SMTP id bh20so4393519oib.9; Fri, 10 Mar 2023 06:47:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678459654; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=EIz7uldrpE/4a3Yn78TCMTOPk2yNsXBeiewFP++iTtI=; b=piCRoVSjF4CJdI61gdGtwXSF21OkABigbQ0znd37VdclwKZuXIZoqcA0QMHAo/JcKD Clix07FBd5kIMr2c04xiFDMqtQe5RPoCSPdIAaHeLGPYLMePdbL/nH2XRGKu+gq4Z9gn ZwkQnHiKeW0NkpUqQP+6qIF0t7u+A8eaWPv8uXPTLptv01pXP1V8dRWVyGRWKXCgwZ/F eSWv/+6IIdOpA97TKGtztv/Lg5xJ4i27lWI0Gq4jZvHiXCIPE1MbXS5E9el6ThSfqOHJ Gwv6hxNACUx0cvzUwsE+/FiX2jRDRcNho9qtP+MAIH+WHg3MCosrVvwI847igqqLn1UK 5F+g== X-Gm-Message-State: AO0yUKX9DZcPcQgFMvSo8njwuDNkGIdMuBxyUfxhA0a6sxofKozB/Xb/ YqJZXfGdUBBQ0/x8o/oq4A== X-Google-Smtp-Source: AK7set/GOJZQNFQdvex7AhT10x8uYUWw1aDar530wB//wxV61PlLIWKRODfn7mKYRTKkWueDppQvnA== X-Received: by 2002:a05:6808:1d2:b0:384:167d:736b with SMTP id x18-20020a05680801d200b00384167d736bmr10994562oic.15.1678459654281; Fri, 10 Mar 2023 06:47:34 -0800 (PST) Received: from robh_at_kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id q12-20020a4ad54c000000b005252e5b6604sm834079oos.36.2023.03.10.06.47.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Mar 2023 06:47:33 -0800 (PST) Received: (nullmailer pid 1543252 invoked by uid 1000); Fri, 10 Mar 2023 14:47:11 -0000 From: Rob Herring To: Bin Liu , Mauro Carvalho Chehab , Matthias Brugger , AngeloGioacchino Del Regno , Tiffany Lin , Andrew-CT Chen , Yunfei Dong , Hyun Kwon , Laurent Pinchart , Michal Simek Cc: devicetree@vger.kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH] media: Use of_property_present() for testing DT property presence Date: Fri, 10 Mar 2023 08:47:11 -0600 Message-Id: <20230310144711.1543225-1-robh@kernel.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org It is preferred to use typed property access functions (i.e. of_property_read_ functions) rather than low-level of_get_property/of_find_property functions for reading properties. As part of this, convert of_get_property/of_find_property calls to the recently added of_property_present() helper when we just want to test for presence of a property and nothing more. Signed-off-by: Rob Herring --- drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 2 +- drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c | 2 +- drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c | 2 +- drivers/media/platform/xilinx/xilinx-vtc.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index 969516a940ba..1a2b3214b6f8 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1757,7 +1757,7 @@ static int mtk_jpeg_probe(struct platform_device *pdev) jpeg->vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE; - if (of_get_property(pdev->dev.of_node, "dma-ranges", NULL)) + if (of_property_present(pdev->dev.of_node, "dma-ranges")) dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34)); ret = video_register_device(jpeg->vdev, VFL_TYPE_VIDEO, -1); diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c index 174a6eec2f54..d2db8ccaa4c0 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c @@ -321,7 +321,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev) } } - if (of_get_property(pdev->dev.of_node, "dma-ranges", NULL)) { + if (of_property_present(pdev->dev.of_node, "dma-ranges")) { ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34)); if (ret) { mtk_v4l2_err("Failed to set mask"); diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c index 9095186d5495..199042034a3c 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c @@ -344,7 +344,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev) goto err_event_workq; } - if (of_get_property(pdev->dev.of_node, "dma-ranges", NULL)) + if (of_property_present(pdev->dev.of_node, "dma-ranges")) dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34)); ret = video_register_device(vfd_enc, VFL_TYPE_VIDEO, -1); diff --git a/drivers/media/platform/xilinx/xilinx-vtc.c b/drivers/media/platform/xilinx/xilinx-vtc.c index 0ae0208d7529..cb4b421a348d 100644 --- a/drivers/media/platform/xilinx/xilinx-vtc.c +++ b/drivers/media/platform/xilinx/xilinx-vtc.c @@ -254,7 +254,7 @@ struct xvtc_device *xvtc_of_get(struct device_node *np) struct xvtc_device *found = NULL; struct xvtc_device *xvtc; - if (!of_find_property(np, "xlnx,vtc", NULL)) + if (!of_property_present(np, "xlnx,vtc")) return NULL; xvtc_node = of_parse_phandle(np, "xlnx,vtc", 0);