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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 33FB8C43333 for ; Mon, 1 Mar 2021 18:49:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F3ABB64DA3 for ; Mon, 1 Mar 2021 18:49:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240664AbhCASsv (ORCPT ); Mon, 1 Mar 2021 13:48:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:46810 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235191AbhCAQnP (ORCPT ); Mon, 1 Mar 2021 11:43:15 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id A1F9564F44; Mon, 1 Mar 2021 16:29:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614616196; bh=tY3ZW1Ve11OoHeHr+DQaeqFSvZrJQIudQ8pToqRscKk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rGzkwSqpW+PWlCJmHbUFBPSuIioM32Wl2mBubEgexORmsUXN7xMXZENipMlm9LBlY riSC1IAo6kxBtUiD8OjJyP1wqxTrpsedfDT4IlFCOh+gEDb/E+AQ3nS6GSLdPbP2/X m6WMYlCxdeXsYEGFZiYKakUb/MiGmihd+GmUJAr4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nicolas Saenz Julienne , Douglas Anderson , Guenter Roeck , Sasha Levin Subject: [PATCH 4.14 027/176] usb: dwc2: Make "trimming xfer length" a debug message Date: Mon, 1 Mar 2021 17:11:40 +0100 Message-Id: <20210301161022.327125321@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161020.931630716@linuxfoundation.org> References: <20210301161020.931630716@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guenter Roeck [ Upstream commit 1a9e38cabd80356ffb98c2c88fec528ea9644fd5 ] With some USB network adapters, such as DM96xx, the following message is seen for each maximum size receive packet. dwc2 ff540000.usb: dwc2_update_urb_state(): trimming xfer length This happens because the packet size requested by the driver is 1522 bytes, wMaxPacketSize is 64, the dwc2 driver configures the chip to receive 24*64 = 1536 bytes, and the chip does indeed send more than 1522 bytes of data. Since the event does not indicate an error condition, the message is just noise. Demote it to debug level. Fixes: 7359d482eb4d3 ("staging: HCD files for the DWC2 driver") Tested-by: Nicolas Saenz Julienne Reviewed-by: Douglas Anderson Signed-off-by: Guenter Roeck Signed-off-by: Nicolas Saenz Julienne Link: https://lore.kernel.org/r/20210113112052.17063-4-nsaenzjulienne@suse.de Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/dwc2/hcd_intr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c index 10459ad19bcc2..1301bf687dcab 100644 --- a/drivers/usb/dwc2/hcd_intr.c +++ b/drivers/usb/dwc2/hcd_intr.c @@ -487,7 +487,7 @@ static int dwc2_update_urb_state(struct dwc2_hsotg *hsotg, &short_read); if (urb->actual_length + xfer_length > urb->length) { - dev_warn(hsotg->dev, "%s(): trimming xfer length\n", __func__); + dev_dbg(hsotg->dev, "%s(): trimming xfer length\n", __func__); xfer_length = urb->length - urb->actual_length; } -- 2.27.0