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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 129B2C43381 for ; Mon, 1 Apr 2019 17:18:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D280420856 for ; Mon, 1 Apr 2019 17:18:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554139092; bh=Tz86OgHisX80a8gsngNagDaD+AwdT6gqJOuaTWhS538=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=U02nXDKJ0i6kIeU55hmbRj6bcDXMw59aOrUuBzkU+PAFtLXS6Kce0BOqFQw1tj4E1 dZ3rsBuO3bTM5ch3REDpc/dral1DgG3lLLI9uZ3rZtPKtH1G5pTF9ADxLmapJ1BEeW BTQWX5z+jpQTJPABK+T17Jp9AGeFHdxLh5lDwPKc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731340AbfDARSL (ORCPT ); Mon, 1 Apr 2019 13:18:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:44666 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731283AbfDARR7 (ORCPT ); Mon, 1 Apr 2019 13:17:59 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 16490206C0; Mon, 1 Apr 2019 17:17:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554139078; bh=Tz86OgHisX80a8gsngNagDaD+AwdT6gqJOuaTWhS538=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nj+PSXXvOEik2GzBXD0fKwheQM2F33bOOYTV54xhKlEJaHk1KjiX84+iPsz35UhDu WWZOA65wGvuvX9rOracFwUUEeBrpyAMJlg7hmIDkDQEL2IYjLRY80AtscN67dF9sPN ibdTyXxhTQMApWd6PFFkSllKDas++2s6BrYYNPW8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yasushi Asano , Spyridon Papageorgiou , Yoshihiro Shimoda Subject: [PATCH 4.19 106/134] usb: host: xhci-rcar: Add XHCI_TRUST_TX_LENGTH quirk Date: Mon, 1 Apr 2019 19:02:22 +0200 Message-Id: <20190401170054.122633814@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190401170044.243719205@linuxfoundation.org> References: <20190401170044.243719205@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yasushi Asano commit 40fc165304f0faaae78b761f8ee30b5d216b1850 upstream. When plugging BUFFALO LUA4-U3-AGT USB3.0 to Gigabit Ethernet LAN Adapter, warning messages filled up dmesg. [ 101.098287] xhci-hcd ee000000.usb: WARN Successful completion on short TX for slot 1 ep 4: needs XHCI_TRUST_TX_LENGTH quirk? [ 101.117463] xhci-hcd ee000000.usb: WARN Successful completion on short TX for slot 1 ep 4: needs XHCI_TRUST_TX_LENGTH quirk? [ 101.136513] xhci-hcd ee000000.usb: WARN Successful completion on short TX for slot 1 ep 4: needs XHCI_TRUST_TX_LENGTH quirk? Adding the XHCI_TRUST_TX_LENGTH quirk resolves the issue. Signed-off-by: Yasushi Asano Signed-off-by: Spyridon Papageorgiou Acked-by: Yoshihiro Shimoda Cc: stable Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci-rcar.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -246,6 +246,7 @@ int xhci_rcar_init_quirk(struct usb_hcd if (!xhci_rcar_wait_for_pll_active(hcd)) return -ETIMEDOUT; + xhci->quirks |= XHCI_TRUST_TX_LENGTH; return xhci_rcar_download_firmware(hcd); }