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=-17.0 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,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 1ED63C07E9E for ; Fri, 9 Jul 2021 00:28:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 087EF61476 for ; Fri, 9 Jul 2021 00:28:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230115AbhGIAaw (ORCPT ); Thu, 8 Jul 2021 20:30:52 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:44788 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229644AbhGIAav (ORCPT ); Thu, 8 Jul 2021 20:30:51 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1625790488; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=cL0fsBn16jUGkDynYaIfSKIWtfsZoMTEAtBNwhlYM80=; b=WpH0fae0Mlu6gwwnQY75WztT5uxovLWogtrHYrIoqOn+x3pjo1lcR4ZfPxsGgo9UQIEAj/hM 0+W8GqVP8s48/AqWL8PuEnp14x7vzaRfUxuX5NiYxAHW9JlL5zmk52Tw63nikuQp1dL8W/J5 iBiX/0UrUND8Xu2CsnFIxjzd0lU= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n04.prod.us-west-2.postgun.com with SMTP id 60e7981301dd9a943112aec3 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 09 Jul 2021 00:28:03 GMT Sender: wcheng=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 269FBC43144; Fri, 9 Jul 2021 00:28:03 +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 DBF13C433D3; Fri, 9 Jul 2021 00:28:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org DBF13C433D3 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: robh+dt@kernel.org, frowand.list@gmail.com, balbi@kernel.org, gregkh@linuxfoundation.org, agross@kernel.org, bjorn.andersson@linaro.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, jackp@codeaurora.org, fntoth@gmail.com, Wesley Cheng Subject: [PATCH v13 5/6] usb: dwc3: dwc3-qcom: Enable tx-fifo-resize property by default Date: Thu, 8 Jul 2021 17:27:53 -0700 Message-Id: <1625790474-8376-6-git-send-email-wcheng@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1625790474-8376-1-git-send-email-wcheng@codeaurora.org> References: <1625790474-8376-1-git-send-email-wcheng@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 --- drivers/usb/dwc3/dwc3-qcom.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index 49e6ca9..2223b59 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 +654,20 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev) return -ENODEV; } + prop = devm_kzalloc(dev, sizeof(*prop), GFP_KERNEL); + if (!prop) { + ret = -ENOMEM; + dev_err(dev, "unable to allocate memory for property\n"); + goto node_put; + } + + prop->name = "tx-fifo-resize"; + ret = of_add_property(dwc3_np, prop); + if (ret) { + dev_err(dev, "unable to add property\n"); + goto node_put; + } + ret = of_platform_populate(np, NULL, NULL, dev); if (ret) { dev_err(dev, "failed to register dwc3 core - %d\n", ret); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project