From patchwork Wed May 19 07:49:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 443783 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=-16.7 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 042DCC433B4 for ; Wed, 19 May 2021 07:49:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF691613AE for ; Wed, 19 May 2021 07:49:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243046AbhESHvI (ORCPT ); Wed, 19 May 2021 03:51:08 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:63855 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242687AbhESHvE (ORCPT ); Wed, 19 May 2021 03:51:04 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1621410585; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=aSUipJnkhLkRJo0zPr9YpjfQrH0NwQqDUt2arQamcHI=; b=n4IoXV7xuL6kGIxe1DA4HIni4PW5XY6k6sDlVUK4IrJ96+OBDC4boTSkN+t2iKQZrDhicOOa PR+wV0tbICt4GjPiaszmBDfnJTdZqjZQzeUDmCAz9K5qGqnnz0Q+OTfbCrKwRLymiR6lOzN0 llVJcqb+EPULn73hv+nlhHGOqtg= 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-n03.prod.us-west-2.postgun.com with SMTP id 60a4c30a1449805ea27089b3 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 19 May 2021 07:49:30 GMT Sender: wcheng=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 0D6BEC43144; Wed, 19 May 2021 07:49:29 +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 50009C43460; Wed, 19 May 2021 07:49:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 50009C43460 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, agross@kernel.org, bjorn.andersson@linaro.org, robh+dt@kernel.org Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, jackp@codeaurora.org, Thinh.Nguyen@synopsys.com, Wesley Cheng Subject: [PATCH v9 4/5] usb: dwc3: dwc3-qcom: Enable tx-fifo-resize property by default Date: Wed, 19 May 2021 00:49:20 -0700 Message-Id: <1621410561-32762-5-git-send-email-wcheng@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1621410561-32762-1-git-send-email-wcheng@codeaurora.org> References: <1621410561-32762-1-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 --- 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);