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=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 7EB3CC433E3 for ; Mon, 17 Aug 2020 17:22:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3BDA9206FA for ; Mon, 17 Aug 2020 17:22:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597684935; bh=RY+bUR6q62ndFq4NTc+Ra1HAuUXfTe8JDs9v63RZvMs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=mStH48Q4/ilYXmg8/HlbZesVHZCE2qs6gOHyny8pEgtVrnzioXHkEB7PRVugm+AqP syjjjLxjtcmRzHzEbLm1yPizo9dMTzCkGa8wUjVS9plDTBTMcPjp005ath4390Bot/ wZ3A+URsMzASKgv9/3/kLlGJFydLpq+UVemm+9VU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389685AbgHQRWN (ORCPT ); Mon, 17 Aug 2020 13:22:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:55792 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730471AbgHQQSB (ORCPT ); Mon, 17 Aug 2020 12:18:01 -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 31E0B20760; Mon, 17 Aug 2020 16:17:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597681070; bh=RY+bUR6q62ndFq4NTc+Ra1HAuUXfTe8JDs9v63RZvMs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vV43Gsx0cEPKLpnRWhFnIOhg1rnh4U+3LdB19mR4qyw00KT0DCbWrj8vkq6vwq6KY gzEC1l+0cuUPLy0rNaT5IdcqLP6obH9on+YgD/GHyFjZyve3ewKIqfmVJXBgWUjAfK rzqTKhdupPAjSKQB7qTQgnpGSJ40EaCF2NAJy6sA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Brant Merryman , Phu Luu , Johan Hovold Subject: [PATCH 4.19 139/168] USB: serial: cp210x: enable usb generic throttle/unthrottle Date: Mon, 17 Aug 2020 17:17:50 +0200 Message-Id: <20200817143740.639648018@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200817143733.692105228@linuxfoundation.org> References: <20200817143733.692105228@linuxfoundation.org> User-Agent: quilt/0.66 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 From: Brant Merryman commit 4387b3dbb079d482d3c2b43a703ceed4dd27ed28 upstream. Assign the .throttle and .unthrottle functions to be generic function in the driver structure to prevent data loss that can otherwise occur if the host does not enable USB throttling. Signed-off-by: Brant Merryman Co-developed-by: Phu Luu Signed-off-by: Phu Luu Link: https://lore.kernel.org/r/57401AF3-9961-461F-95E1-F8AFC2105F5E@silabs.com [ johan: fix up tags ] Fixes: 39a66b8d22a3 ("[PATCH] USB: CP2101 Add support for flow control") Cc: stable # 2.6.12 Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/cp210x.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -271,6 +271,8 @@ static struct usb_serial_driver cp210x_d .break_ctl = cp210x_break_ctl, .set_termios = cp210x_set_termios, .tx_empty = cp210x_tx_empty, + .throttle = usb_serial_generic_throttle, + .unthrottle = usb_serial_generic_unthrottle, .tiocmget = cp210x_tiocmget, .tiocmset = cp210x_tiocmset, .attach = cp210x_attach,