From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: [PATCH] detour TTY driver - now ttyprintk Date: Tue, 24 Aug 2010 15:02:16 -0700 Message-ID: <20100824220216.GA5164@suse.de> References: <20100611134455.3fa7d563@lxorguk.ukuu.org.uk> <1276291932.2154.45.camel@itpsd6lap> <20100621153858.444695c0@lxorguk.ukuu.org.uk> <1277244410.2195.47.camel@itpsd6lap> <20100622232108.26752ff8@lxorguk.ukuu.org.uk> <1277462596.2143.101.camel@itpsd6lap> <20100625120329.1303aa61@lxorguk.ukuu.org.uk> <1282683470.8020.66.camel@itpsd6lap> <20100824211016.GA7176@suse.de> <20100824231641.33d5679b@lxorguk.ukuu.org.uk> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <20100824231641.33d5679b@lxorguk.ukuu.org.uk> Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Alan Cox Cc: Samo Pogacnik , linux kernel , linux-embedded On Tue, Aug 24, 2010 at 11:16:41PM +0100, Alan Cox wrote: > > Why does this need to be a tty driver? Why not a misc device? > > So you can use it as a"console" (in the user space sense) tty device on > embedded devices which don't have a meaningful normal output subsystem. But can't you do that today with kmsg? The startup of systemd does this in a way that handles all of the log messages very nicely, and the embedded people are sure to pick it up as well because of the simplicity. thanks, greg k-h