From patchwork Thu May 7 21:59:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 200915 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=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 42A49C35280 for ; Thu, 7 May 2020 21:59:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14361208E4 for ; Thu, 7 May 2020 21:59:53 +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="hg/5MQr3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727812AbgEGV7v (ORCPT ); Thu, 7 May 2020 17:59:51 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:59485 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727819AbgEGV7v (ORCPT ); Thu, 7 May 2020 17:59:51 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1588888791; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=1hyDgIykoZJ9DSC+C5mC832OZycm4ondX9+/X9rRqhM=; b=hg/5MQr3PMCeiigrN9F4uk3+JG5yzrIE9Ma+gh5n7HWb+2SXgFvmRyKykzvDjVw2hLEC+zWJ ZmWFYZPkNogm7K5zjroowg4KyoAYJrysssJ+Y+ST4tjxXTU0rcSYhDZYtEywDhwNGHv7E9SU c7u53ceFnKCN7NAS1SCEcmNPZjs= X-Mailgun-Sending-Ip: 104.130.122.27 X-Mailgun-Sid: WyI1YmJiNiIsICJkZXZpY2V0cmVlQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5eb484c8.7ffa4cdec9d0-smtp-out-n02; Thu, 07 May 2020 21:59:36 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 64EEDC44791; Thu, 7 May 2020 21:59:35 +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 66B91C432C2; Thu, 7 May 2020 21:59:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 66B91C432C2 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: agross@kernel.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, balbi@kernel.org, gregkh@linuxfoundation.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, jackp@codeaurora.org, Wesley Cheng Subject: [RFC 2/3] arm64: boot: dts: qcom: sm8150: Enable dynamic TX FIFO resize logic Date: Thu, 7 May 2020 14:59:27 -0700 Message-Id: <1588888768-25315-3-git-send-email-wcheng@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1588888768-25315-1-git-send-email-wcheng@codeaurora.org> References: <1588888768-25315-1-git-send-email-wcheng@codeaurora.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@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 a36512d..c285233 100644 --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi @@ -708,6 +708,7 @@ 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"; };