From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: [patch 3/4] new serial flow control Date: Mon, 10 Oct 2005 00:04:20 +0100 Message-ID: <1128899060.2938.7.camel@localhost.localdomain> 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> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20051009114406.GE5104@bouh.residence.ens-lyon.fr> Sender: linux-kernel-owner@vger.kernel.org To: Samuel Thibault Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org List-Id: linux-serial@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)