From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8BB6FC433F5 for ; Fri, 14 Jan 2022 23:05:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231321AbiANXFy (ORCPT ); Fri, 14 Jan 2022 18:05:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231320AbiANXFy (ORCPT ); Fri, 14 Jan 2022 18:05:54 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4302C061574; Fri, 14 Jan 2022 15:05:53 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8660B62065; Fri, 14 Jan 2022 23:05:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4154C36AE9; Fri, 14 Jan 2022 23:05:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1642201552; bh=eW8qfxOLXmdoe8jddUPKE7G9qg502Iient4wuy9l11I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iecKcacZgzID8/b83zx1M7UUlCj0+BSDXYsyfZsokK9MDNjfllpfTYDSzIY8Oz3ge vBHt+OI7i3geYdpP7aSckqswrzFNYRVqyeAqCBlaNw4nxhwgePgSncP0JuEwgobZwl ceQ68+uqxOA75qL065+rX6avsuj5DJBN2iDhJd9M8OjoUxOwhpPUeHsgkrozDv8b9M b9PScIWVf5ZWEJMerqVOVqCFzeFRJ63EC6ZEjFEGHkJnFRUfM/W+baHS2m9ZkRaV9/ LnvTyCPoTNeaVZ9Q9/x08jRgwmfqeRQpMl9S3IzU9HGaw2l+vpX06+7JEj/sH5wumY 2tsfKhUS5o3dw== Received: by pali.im (Postfix) id DA3527D1; Sat, 15 Jan 2022 00:05:49 +0100 (CET) Date: Sat, 15 Jan 2022 00:05:49 +0100 From: Pali =?utf-8?B?Um9ow6Fy?= To: Stephen Boyd Cc: Gregory CLEMENT , Michael Turquette , Rob Herring , Greg Kroah-Hartman , Andrew Lunn , Sebastian Hesselbarth , Vladimir Vid , Marek =?utf-8?B?QmVow7pu?= , linux-clk@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: Re: [PATCH v7 0/6] serial: mvebu-uart: Support for higher baudrates Message-ID: <20220114230549.56co4qcpnq32muwj@pali> References: <20210930095838.28145-1-pali@kernel.org> <20211103214209.azo2z3z4gy7aj5hu@pali> <87ee6bm9hn.fsf@BL-laptop> <20220114105100.im6gmkt6fjl2aiwl@pali> <20220114225659.D5D79C36AE9@smtp.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220114225659.D5D79C36AE9@smtp.kernel.org> User-Agent: NeoMutt/20180716 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Friday 14 January 2022 14:56:58 Stephen Boyd wrote: > Quoting Pali Rohár (2022-01-14 02:51:00) > > Hello Stephen! > > > > On Friday 17 December 2021 18:23:00 Gregory CLEMENT wrote: > > > Hello Pali, > > > > > > > On Thursday 30 September 2021 11:58:32 Pali Rohár wrote: > > > >> This patch series add support for baudrates higher than 230400 on > > > >> Marvell Armada 37xx boards. > > > > > > > > Stephen, Gregory, are there any issues with this patch series? > > > > > > I am not found of these changes but let's apply it as I didn't take time > > > to do a better review. > > > > > > However I can't apply the dt part if the driver is not merged. > > > > Stephen, are there any issues with driver (non-DT) part changes in this > > patch series? If not, could you please merge them? This patch series is > > here on the list since September without any request for change... > > Oh I missed this thread. I thought it was going to be resent. > > > > > We would really like to see support for higher baudrates for Armada 3720 > > platforms in mainline kernel. > > If we're adding new support why can't we break with backwards > compatibility for the binding and do it a different way? Because DTS are backwards compatible. I was told more times that kernel drivers should work correctly with older DTS files. On some boards are DTB files provided by bootloader and they do not use in-kernel DTS files.