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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 8C4F4C11F73 for ; Wed, 30 Jun 2021 09:01:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7732061CFC for ; Wed, 30 Jun 2021 09:01:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233926AbhF3JDo (ORCPT ); Wed, 30 Jun 2021 05:03:44 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:48671 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233779AbhF3JDh (ORCPT ); Wed, 30 Jun 2021 05:03:37 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1625043669; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=DzPXWOao9emXhv/z0DKTPWcbWvSUgvcXSWMkDPHie7E=; b=a58IrcyZz8B3aC6KygOrTTjts/Cc8EyRBfPbZtrg/PRPCvDlSzidgfPxHM1Hfl8zAGnuPa4T SCBgiu8uFmOEZl3pP5gywcQDX4RXUxy8d+iW7JbJxCkdf25aklZ+UzixgHr4wG0ddfSRG7Ul 8rJBp1YPHTb5clH8JV1gIK6/Wdo= 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-n07.prod.us-east-1.postgun.com with SMTP id 60dc32c35e3e57240bac1561 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 30 Jun 2021 09:00:51 GMT Sender: wcheng=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id AA0F1C433F1; Wed, 30 Jun 2021 09:00:50 +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 30047C433F1; Wed, 30 Jun 2021 09:00:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 30047C433F1 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: gregkh@linuxfoundation.org, robh+dt@kernel.org, agross@kernel.org, bjorn.andersson@linaro.org, balbi@kernel.org Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, jackp@codeaurora.org, fntoth@gmail.com, Wesley Cheng Subject: [PATCH v11 4/5] usb: dwc3: dwc3-qcom: Enable tx-fifo-resize property by default Date: Wed, 30 Jun 2021 02:00:41 -0700 Message-Id: <1625043642-29822-5-git-send-email-wcheng@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1625043642-29822-1-git-send-email-wcheng@codeaurora.org> References: <1625043642-29822-1-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 | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index 49e6ca9..cec4f4a 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -640,6 +640,25 @@ static int dwc3_qcom_acpi_register_core(struct platform_device *pdev) return ret; } +#ifdef CONFIG_OF +static void dwc3_qcom_add_dt_props(struct device *dev, struct device_node *np) +{ + struct property *prop; + int ret; + + prop = devm_kzalloc(dev, sizeof(*prop), GFP_KERNEL); + if (prop) { + prop->name = "tx-fifo-resize"; + ret = of_add_property(np, prop); + if (ret < 0) + dev_info(dev, "unable to add tx-fifo-resize prop\n"); + } +} +#else +static void dwc3_qcom_add_dt_props(struct device *dev, struct device_node *np) +{ } +#endif + static int dwc3_qcom_of_register_core(struct platform_device *pdev) { struct dwc3_qcom *qcom = platform_get_drvdata(pdev); @@ -653,6 +672,8 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev) return -ENODEV; } + dwc3_qcom_add_dt_props(dev, dwc3_np); + 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