From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: [PATCH 1/2] serial: samsung: Move uart_register_driver call to device probe Date: Thu, 23 Jan 2014 21:33:21 +0000 Message-ID: <20140123213321.372ce82b@www.etchedpixels.co.uk> References: <1390208555-27770-1-git-send-email-tushar.behera@linaro.org> <1390208555-27770-2-git-send-email-tushar.behera@linaro.org> <20140120100530.GY15937@n2100.arm.linux.org.uk> <20140123180423.1a62611a@www.etchedpixels.co.uk> <20140123184022.GC11727@sirena.org.uk> <52E163DC.1090002@samsung.com> <20140123193633.GG11727@sirena.org.uk> <20140123195144.2d3aa44d@www.etchedpixels.co.uk> <20140123200509.GO11727@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:34213 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932078AbaAWVdz (ORCPT ); Thu, 23 Jan 2014 16:33:55 -0500 In-Reply-To: <20140123200509.GO11727@sirena.org.uk> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Mark Brown Cc: Tomasz Figa , Tushar Behera , Russell King - ARM Linux , lkml , linux-serial , linux-samsung-soc , jslaby , Greg Kroah-Hartman , Ben Dooks On Thu, 23 Jan 2014 20:05:09 +0000 Mark Brown wrote: > On Thu, Jan 23, 2014 at 07:51:44PM +0000, Alan Cox wrote: > > > That strikes me as rather more risky. We can propogate it through the > > drivers as we are sure it is safe to do so on that platform and encourage > > driver authors to migrate. Better than a "big bang" and the inevitable > > fallout. > > I don't see how we can meaningfully test this on a platform - the kernel > would have to be pretty demented to care, it's userspace that cares and > that's not really tied to individual serial drivers but is where we > mainly need coverage. Which is why I think we want to enable it gradually and platform by platform as that platform or arch maintainer judges it appropriate given their knowledge of their platform(s). Alan