From patchwork Sat Aug 29 05:58:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 297814 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=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 748E0C433E7 for ; Sat, 29 Aug 2020 05:59:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4AA0C20BED for ; Sat, 29 Aug 2020 05:59:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="RTOaLivY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727040AbgH2F7m (ORCPT ); Sat, 29 Aug 2020 01:59:42 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:46731 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726954AbgH2F7h (ORCPT ); Sat, 29 Aug 2020 01:59:37 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1598680776; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=oacjS+8nW5DDPS+H6t/D36miAAICLdql0i6Q5+uJLhw=; b=RTOaLivY0y484VuMUykjPJn3Dwu1C+bIq4AYKC+rhL7RLuHf2Jali3rOeOParAmBTfFor+os KDDcx18tB1eOW8d99GVZYuRohH38LNevAksmaFSsu0MT/LpqJ4nfwVTB1eox9+yplYlm40iG NpreZ4jk3LRwfTWH2uUJAD8FIn4= X-Mailgun-Sending-Ip: 104.130.122.29 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-n02.prod.us-west-2.postgun.com with SMTP id 5f49ee9c03d128697e4131d0 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Sat, 29 Aug 2020 05:58:52 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 59F3DC43391; Sat, 29 Aug 2020 05:58:52 +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 81A16C433CB; Sat, 29 Aug 2020 05:58:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 81A16C433CB 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=none smtp.mailfrom=wcheng@codeaurora.org From: Wesley Cheng To: robh+dt@kernel.org, bjorn.andersson@linaro.org, balbi@kernel.org, gregkh@linuxfoundation.org, agross@kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, jackp@codeaurora.org, Wesley Cheng Subject: [RFC v5 2/6] arm64: boot: dts: qcom: sm8150: Enable dynamic TX FIFO resize logic Date: Fri, 28 Aug 2020 22:58:42 -0700 Message-Id: <20200829055846.19034-3-wcheng@codeaurora.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200829055846.19034-1-wcheng@codeaurora.org> References: <20200829055846.19034-1-wcheng@codeaurora.org> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Enable the flexible TX FIFO resize logic on SM8150. Using a larger TX FIFO SZ can help account for situations when system latency is greater than the USB bus transmission latency. Signed-off-by: Wesley Cheng --- arch/arm64/boot/dts/qcom/sm8150.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi index 7a0c5b419ff0..169ac4c8e298 100644 --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi @@ -717,6 +717,7 @@ usb_1_dwc3: dwc3@a600000 { interrupts = ; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; + tx-fifo-resize; phys = <&usb_1_hsphy>, <&usb_1_ssphy>; phy-names = "usb2-phy", "usb3-phy"; };