From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932302AbVJIWg4 (ORCPT ); Sun, 9 Oct 2005 18:36:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932301AbVJIWg4 (ORCPT ); Sun, 9 Oct 2005 18:36:56 -0400 Received: from [81.2.110.250] ([81.2.110.250]:14018 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S932298AbVJIWgz (ORCPT ); Sun, 9 Oct 2005 18:36:55 -0400 Subject: Re: [patch 3/4] new serial flow control From: Alan Cox To: Samuel Thibault Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org In-Reply-To: <20051009114406.GE5104@bouh.residence.ens-lyon.fr> References: <200501052341.j05Nfod27823@mail.osdl.org> <20050105235301.B26633@flint.arm.linux.org.uk> <20051008222711.GA5150@bouh.residence.ens-lyon.fr> <20051009000153.GA23083@flint.arm.linux.org.uk> <20051009002129.GJ5150@bouh.residence.ens-lyon.fr> <20051009083724.GA14335@flint.arm.linux.org.uk> <20051009100909.GF5150@bouh.residence.ens-lyon.fr> <20051009111718.GA13144@flint.arm.linux.org.uk> <20051009113313.GD5104@bouh.residence.ens-lyon.fr> <20051009114406.GE5104@bouh.residence.ens-lyon.fr> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 10 Oct 2005 00:04:20 +0100 Message-Id: <1128899060.2938.7.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sul, 2005-10-09 at 13:44 +0200, Samuel Thibault wrote: > > Yes, of course. But can't this be disabled too? > > (I mean, the FIFOs) In the USB case generally not. Also many high end devices are polled with big buffers and have no IRQ support. It works for the 16x50s that are most PCs today however and that is enough IMHO to be relevant for now (next gen PC's probably won't have serial of course)