From patchwork Thu Oct 26 12:28:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Ribalda X-Patchwork-Id: 738641 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC11B2D7B4 for ; Thu, 26 Oct 2023 12:28:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="dnKI+KRY" Received: from mail-qk1-x731.google.com (mail-qk1-x731.google.com [IPv6:2607:f8b0:4864:20::731]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD29E192 for ; Thu, 26 Oct 2023 05:28:41 -0700 (PDT) Received: by mail-qk1-x731.google.com with SMTP id af79cd13be357-777754138bdso66477485a.1 for ; Thu, 26 Oct 2023 05:28:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1698323321; x=1698928121; darn=vger.kernel.org; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:from:to:cc:subject:date:message-id:reply-to; bh=1WGRGpf1ARbPQY1fumL5DeKAJhYKCHf4gxWwDp4LFCQ=; b=dnKI+KRYtDpu0CiG0JK1pul4NU9Hct+sFwSQOppcwiuo8mtHcmyexNE62F4XUS6IPD g1YscC/b6pe9EAhaoZGXT6l9HHlQNzZ8w36M+vDezM3QHk2MHFxgv1cH8CcmlC3Q9cJY /qd79aJ3ykA0+83zUYpG3QUwRwtwOnB5h+CbA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698323321; x=1698928121; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=1WGRGpf1ARbPQY1fumL5DeKAJhYKCHf4gxWwDp4LFCQ=; b=okiVlqCYMcFY5sJCuMd3AO6FWnI/EUmXHnuwvhi0F6QpfVv7L+PBZ4RtROaHefYNCM WLhnxEY5GBrONpW1lBdv5G+jvJDSOXKuQqQYLA6N92zvoMRV1AQsGbSjWg/5tbEGRsUE 3yIO/B3Wy9/1QxJSXsSawNUEZGBpE0R//F+/If2NBAk/iFmS3durkdW5HA0oGgvA1jFr PHP2IDS014tP9UzJYCUbfKFKiaznBkN9p35wSAdhzULwIEIDFeLBgi2AsCNu3+zQLvwj U/Tv1NgcFwhhtJ1Devw1H61HGoJJLn8aCqOwR11tX+bCVSmuS70K7iuYfY1P4jq8QMAN iXYg== X-Gm-Message-State: AOJu0YzwVtLBuQ3yZ6sovJ6Brxr44Zb+vHdAvFRjy0gLAUcTdPcuceMT Vg4sqyHyLc5DS4lRbuOW2rKA9w== X-Google-Smtp-Source: AGHT+IGbmmi/fPDM4l/eOyFgg7t4XG2htGE2skFiTTZytx2fRoIZQX1f5cqp42EdqvLnV4afw+cnOw== X-Received: by 2002:a05:620a:22a2:b0:770:72c3:dbbc with SMTP id p2-20020a05620a22a200b0077072c3dbbcmr16056365qkh.18.1698323320869; Thu, 26 Oct 2023 05:28:40 -0700 (PDT) Received: from denia.c.googlers.com (112.49.199.35.bc.googleusercontent.com. [35.199.49.112]) by smtp.gmail.com with ESMTPSA id x6-20020a05620a14a600b0076f35d17d06sm4941476qkj.69.2023.10.26.05.28.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Oct 2023 05:28:40 -0700 (PDT) From: Ricardo Ribalda Date: Thu, 26 Oct 2023 12:28:36 +0000 Subject: [PATCH] usb: dwc3: set the dma max_seg_size Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231026-dwc3-v1-1-643c74771599@chromium.org> X-B4-Tracking: v=1; b=H4sIAHRbOmUC/x2MSQqAMAwAvyI5W9BWFPyKeEhjqgGp0uIC4t8NH mcY5oHMSThDXzyQ+JQsW1SoywJowTizkUkZbGVdXdnWTBc5E5C6JpB33iJo6jGz8QkjLRrHY11 V7omD3P97GN/3A0wzq51rAAAA To: Zubin Mithra , Thinh Nguyen , Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Ricardo Ribalda X-Mailer: b4 0.12.2 Allow devices to have dma operations beyond 4K, and avoid warnings such as: DMA-API: dwc3 a600000.usb: mapping sg segment longer than device claims to support [len=86016] [max=65536] Reported-by: Zubin Mithra Signed-off-by: Ricardo Ribalda --- Found while running yavta -f YUYV -s 1280x720 -c /dev/video0 with: CONFIG_DMA_API_DEBUG=y --- drivers/usb/dwc3/core.c | 2 ++ 1 file changed, 2 insertions(+) --- base-commit: 611da07b89fdd53f140d7b33013f255bf0ed8f34 change-id: 20231026-dwc3-fac74fcb3b2a Best regards, diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 343d2570189f..65f73dd8ef47 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1918,6 +1918,8 @@ static int dwc3_probe(struct platform_device *pdev) pm_runtime_put(dev); + dma_set_max_seg_size(dev, UINT_MAX); + return 0; err_exit_debugfs: