From patchwork Thu May 28 01:46:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 11574183 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 44725159A for ; Thu, 28 May 2020 01:46:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2D4A9208DB for ; Thu, 28 May 2020 01:46:32 +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="Y7VGGugc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726477AbgE1BqN (ORCPT ); Wed, 27 May 2020 21:46:13 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:64492 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725294AbgE1BqM (ORCPT ); Wed, 27 May 2020 21:46:12 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1590630372; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=T5uyWh141j14dDmpOPzNQPyq6EKSVYr1V2BHk++nrpc=; b=Y7VGGugcR3MJeH39GgtE7CmBsIpYvKge6LG3uKOpRw7IenwLdvieovD+JHNuocCfgjsVE4vz 3EnwhKGV93JoCHnSrbBBtzm3nJMQD+9coqEjnHqRPcyEOGVGuSMTn308N3rBletl2koDcZ02 iVrueNBHmbezBrL1+kQMG+P2iuE= X-Mailgun-Sending-Ip: 69.72.43.7 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-n05.prod.us-east-1.postgun.com with SMTP id 5ecf17e3cb045869331af90f (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 28 May 2020 01:46:11 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id E40F3C433AD; Thu, 28 May 2020 01:46:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.0 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 32A55C433CB; Thu, 28 May 2020 01:46:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 32A55C433CB 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, Wesley Cheng Subject: [RFC v3 3/3] dt-bindings: usb: dwc3: Add entry for tx-fifo-resize Date: Wed, 27 May 2020 18:46:03 -0700 Message-Id: <1590630363-3934-4-git-send-email-wcheng@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1590630363-3934-1-git-send-email-wcheng@codeaurora.org> References: <1590630363-3934-1-git-send-email-wcheng@codeaurora.org> Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Re-introduce the comment for the tx-fifo-resize setting for the DWC3 controller. This allows for vendors to control if they require the TX FIFO resizing logic on their HW, as the default FIFO size configurations may already be sufficient. Signed-off-by: Wesley Cheng Acked-by: Rob Herring --- Documentation/devicetree/bindings/usb/dwc3.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt index 9946ff9..489f5da 100644 --- a/Documentation/devicetree/bindings/usb/dwc3.txt +++ b/Documentation/devicetree/bindings/usb/dwc3.txt @@ -105,7 +105,7 @@ Optional properties: 1-16 (DWC_usb31 programming guide section 1.2.3) to enable periodic ESS TX threshold. - - tx-fifo-resize: determines if the FIFO *has* to be reallocated. + - tx-fifo-resize: determines if the FIFO *has* to be reallocated. - snps,incr-burst-type-adjustment: Value for INCR burst type of GSBUSCFG0 register, undefined length INCR burst type enable and INCRx type. When just one value, which means INCRX burst mode enabled. When