Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759517AbaGCQTy (ORCPT ); Thu, 3 Jul 2014 12:19:54 -0400 Received: from mail-wi0-f179.google.com ([209.85.212.179]:64687 "EHLO mail-wi0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759498AbaGCQTv (ORCPT ); Thu, 3 Jul 2014 12:19:51 -0400 MIME-Version: 1.0 X-Originating-IP: [95.23.59.197] In-Reply-To: <20140703160622.GE23309@earth.universe> References: <1404316809-20637-1-git-send-email-bigeasy@linutronix.de> <20140702160932.GF5541@saruman.home> <20140702190944.GA567@drone.musicnaut.iki.fi> <20140703073411.GX28884@atomide.com> <20140703132509.GA5814@saruman.home> <20140703140736.GF5814@saruman.home> <20140703154425.GC23309@earth.universe> <20140703155240.GU5814@saruman.home> <20140703160622.GE23309@earth.universe> Date: Thu, 3 Jul 2014 18:19:47 +0200 Message-ID: Subject: Re: [RFC PATCH] tty: serial: Add 8250-core based omap driver From: Javier Martinez Canillas To: Sebastian Reichel Cc: Felipe Balbi , Robert Nelson , Tony Lindgren , Aaro Koskinen , Sebastian Andrzej Siewior , linux kernel , linux-serial@vger.kernel.org, Linux OMAP Mailing List , Linux ARM Kernel Mailing List Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 3, 2014 at 6:06 PM, Sebastian Reichel wrote: > Hi, > > On Thu, Jul 03, 2014 at 10:52:40AM -0500, Felipe Balbi wrote: >> > DT is supposed to contain information about the hardware, so it >> > should stay the same? I think there is no non-hackish way to decide >> >> compatible would change, at a minimum. > > why? I would expect it to stay the same (and the current patch uses > the same compatible strings). > Exactly, the new driver must support all the compatible strings defined in Documentation/devicetree/bindings/serial/omap_serial.tx (which already does as you pointed out). Otherwise the current drivers/tty/serial/omap-serial.c could never be removed since that would mean breaking DT backward compatibility. > -- Sebastian Best regards, Javier -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/