From mboxrd@z Thu Jan 1 00:00:00 1970 From: rjui@broadcom.com (Ray Jui) Date: Wed, 23 Sep 2015 14:46:23 -0700 Subject: [PATCH v2 1/9] ARM: dts: consolidate aliases for Cygnus dt files In-Reply-To: <20046098.CeNft0Jl1D@wuerfel> References: <1442611454-16331-1-git-send-email-rjui@broadcom.com> <25764744.UdkoAR05y0@wuerfel> <55FC85D6.7050506@broadcom.com> <20046098.CeNft0Jl1D@wuerfel> Message-ID: <56031DAF.5070503@broadcom.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 9/23/2015 2:31 PM, Arnd Bergmann wrote: > On Friday 18 September 2015 14:44:54 Ray Jui wrote: >> On 9/18/2015 2:27 PM, Arnd Bergmann wrote: >>> On Friday 18 September 2015 14:24:06 Ray Jui wrote: >>> >>> The SoC has at least four uarts according to this, so it seems unlikely that >>> each board really only uses only the fourth one of them and labels it '0' >>> on the board. As soon as you get one board that has more than one uart wired >>> up, you would need to undo this. >>> >> >> I think Scott might have explained this in the past. uart3 is going to >> be used on all Cygnus boards (including all future boards) because the >> bootrom was designed to use uart3 as console and that won't change. >> >> Let me know if you still think I need to move this back to the dts. > > I would still like to see them stay in the .dts file, if only for > consistency with other platforms. > > Also, even if you can guarantee that uart3 is always used for the > console, that doesn't prevent board designers from adding more than > one uart, right? > > Arnd > Okay. Given that this patch series has been merged by Florian, I'll submit another patch to move it back to .dts files. Thanks, Ray From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ray Jui Subject: Re: [PATCH v2 1/9] ARM: dts: consolidate aliases for Cygnus dt files Date: Wed, 23 Sep 2015 14:46:23 -0700 Message-ID: <56031DAF.5070503@broadcom.com> References: <1442611454-16331-1-git-send-email-rjui@broadcom.com> <25764744.UdkoAR05y0@wuerfel> <55FC85D6.7050506@broadcom.com> <20046098.CeNft0Jl1D@wuerfel> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20046098.CeNft0Jl1D@wuerfel> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Arnd Bergmann Cc: Florian Fainelli , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On 9/23/2015 2:31 PM, Arnd Bergmann wrote: > On Friday 18 September 2015 14:44:54 Ray Jui wrote: >> On 9/18/2015 2:27 PM, Arnd Bergmann wrote: >>> On Friday 18 September 2015 14:24:06 Ray Jui wrote: >>> >>> The SoC has at least four uarts according to this, so it seems unlikely that >>> each board really only uses only the fourth one of them and labels it '0' >>> on the board. As soon as you get one board that has more than one uart wired >>> up, you would need to undo this. >>> >> >> I think Scott might have explained this in the past. uart3 is going to >> be used on all Cygnus boards (including all future boards) because the >> bootrom was designed to use uart3 as console and that won't change. >> >> Let me know if you still think I need to move this back to the dts. > > I would still like to see them stay in the .dts file, if only for > consistency with other platforms. > > Also, even if you can guarantee that uart3 is always used for the > console, that doesn't prevent board designers from adding more than > one uart, right? > > Arnd > Okay. Given that this patch series has been merged by Florian, I'll submit another patch to move it back to .dts files. Thanks, Ray -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756174AbbIWVq1 (ORCPT ); Wed, 23 Sep 2015 17:46:27 -0400 Received: from mail-gw1-out.broadcom.com ([216.31.210.62]:1380 "EHLO mail-gw1-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755885AbbIWVqZ (ORCPT ); Wed, 23 Sep 2015 17:46:25 -0400 X-IronPort-AV: E=Sophos;i="5.17,579,1437462000"; d="scan'208";a="75929136" Subject: Re: [PATCH v2 1/9] ARM: dts: consolidate aliases for Cygnus dt files To: Arnd Bergmann References: <1442611454-16331-1-git-send-email-rjui@broadcom.com> <25764744.UdkoAR05y0@wuerfel> <55FC85D6.7050506@broadcom.com> <20046098.CeNft0Jl1D@wuerfel> CC: Florian Fainelli , Rob Herring , Pawel Moll , Mark Rutland , "Ian Campbell" , Kumar Gala , , , , From: Ray Jui Message-ID: <56031DAF.5070503@broadcom.com> Date: Wed, 23 Sep 2015 14:46:23 -0700 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <20046098.CeNft0Jl1D@wuerfel> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/23/2015 2:31 PM, Arnd Bergmann wrote: > On Friday 18 September 2015 14:44:54 Ray Jui wrote: >> On 9/18/2015 2:27 PM, Arnd Bergmann wrote: >>> On Friday 18 September 2015 14:24:06 Ray Jui wrote: >>> >>> The SoC has at least four uarts according to this, so it seems unlikely that >>> each board really only uses only the fourth one of them and labels it '0' >>> on the board. As soon as you get one board that has more than one uart wired >>> up, you would need to undo this. >>> >> >> I think Scott might have explained this in the past. uart3 is going to >> be used on all Cygnus boards (including all future boards) because the >> bootrom was designed to use uart3 as console and that won't change. >> >> Let me know if you still think I need to move this back to the dts. > > I would still like to see them stay in the .dts file, if only for > consistency with other platforms. > > Also, even if you can guarantee that uart3 is always used for the > console, that doesn't prevent board designers from adding more than > one uart, right? > > Arnd > Okay. Given that this patch series has been merged by Florian, I'll submit another patch to move it back to .dts files. Thanks, Ray