From patchwork Thu Jun 17 09:58:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 12327249 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 447F1C49EA2 for ; Thu, 17 Jun 2021 09:58:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 29C80613F5 for ; Thu, 17 Jun 2021 09:58:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232160AbhFQKAq (ORCPT ); Thu, 17 Jun 2021 06:00:46 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:42587 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232148AbhFQKAn (ORCPT ); Thu, 17 Jun 2021 06:00:43 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1623923916; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=aSUipJnkhLkRJo0zPr9YpjfQrH0NwQqDUt2arQamcHI=; b=QV6peWELEgP0NCgCWdHAOjEateFCC4nJHZWIi5D4som4j76Uec78rU7yOL7rtI+BwMz6tZCB hpNS/isq7Ml7cDVoJhz9+MRLDzUovcSHgYszKxb0AJjw1n4GgGt4NRJ6HkFIgMX02y2aU2AA 82v8YeQoimqDvM7pj2Yz8deiZVk= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyIxZTE2YSIsICJsaW51eC11c2JAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-east-1.postgun.com with SMTP id 60cb1cc6f726fa4188ed5db0 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 17 Jun 2021 09:58:30 GMT Sender: wcheng=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 04962C4338A; Thu, 17 Jun 2021 09:58:30 +0000 (UTC) Received: from wcheng-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: wcheng) by smtp.codeaurora.org (Postfix) with ESMTPSA id BD64BC4323A; Thu, 17 Jun 2021 09:58:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org BD64BC4323A Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=wcheng@codeaurora.org From: Wesley Cheng To: balbi@kernel.org, gregkh@linuxfoundation.org, robh+dt@kernel.org, agross@kernel.org, bjorn.andersson@linaro.org, frowand.list@gmail.com Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, jackp@codeaurora.org, fntoth@gmail.com, heikki.krogerus@linux.intel.com, andy.shevchenko@gmail.com, Wesley Cheng Subject: [PATCH v10 5/6] usb: dwc3: dwc3-qcom: Enable tx-fifo-resize property by default Date: Thu, 17 Jun 2021 02:58:18 -0700 Message-Id: <1623923899-16759-6-git-send-email-wcheng@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1623923899-16759-1-git-send-email-wcheng@codeaurora.org> References: <1623923899-16759-1-git-send-email-wcheng@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org In order to take advantage of the TX fifo resizing logic, manually add these properties to the DWC3 child node by default. This will allow the DWC3 gadget to resize the TX fifos for the IN endpoints, which help with performance. Signed-off-by: Wesley Cheng Reported-by: kernel test robot --- drivers/usb/dwc3/dwc3-qcom.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index 49e6ca9..44e0eaa1 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -645,6 +645,7 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev) struct dwc3_qcom *qcom = platform_get_drvdata(pdev); struct device_node *np = pdev->dev.of_node, *dwc3_np; struct device *dev = &pdev->dev; + struct property *prop; int ret; dwc3_np = of_get_compatible_child(np, "snps,dwc3"); @@ -653,6 +654,14 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev) return -ENODEV; } + prop = devm_kzalloc(dev, sizeof(*prop), GFP_KERNEL); + if (prop) { + prop->name = "tx-fifo-resize"; + ret = of_add_property(dwc3_np, prop); + if (ret < 0) + dev_info(dev, "unable to add tx-fifo-resize prop\n"); + } + ret = of_platform_populate(np, NULL, NULL, dev); if (ret) { dev_err(dev, "failed to register dwc3 core - %d\n", ret);