From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966567AbdEXIB3 (ORCPT ); Wed, 24 May 2017 04:01:29 -0400 Received: from lucky1.263xmail.com ([211.157.147.135]:52132 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758082AbdEXIB0 (ORCPT ); Wed, 24 May 2017 04:01:26 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: devicetree@vger.kernel.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Subject: Re: [PATCH] ARM: dts: rockchip:remove hs200 support for firefly reload To: Eddie Cai , heiko@sntech.de, robh+dt@kernel.org, mark.rutland@arm.com, linux@armlinux.org.uk References: <1495612242-28873-1-git-send-email-eddie.cai.linux@gmail.com> Cc: shawn.lin@rock-chips.com, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org From: Shawn Lin Message-ID: <65c7a442-4b2e-65e4-ea5e-0a723c257397@rock-chips.com> Date: Wed, 24 May 2017 16:00:53 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <1495612242-28873-1-git-send-email-eddie.cai.linux@gmail.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 2017/5/24 15:50, Eddie Cai wrote: > due to layout limitation. not all of the reload board can support hs200. > so remove hs200 support to make all board can boot up. You now also remove DDR52, so all reload boards run at high speed mode? I'm curious about what was the layout limitation that mmc tuning process could never help? > > Signed-off-by: Eddie Cai > --- > arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi b/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi > index 4cfa109..56ac1e6f 100644 > --- a/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi > +++ b/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi > @@ -75,8 +75,6 @@ > bus-width = <8>; > cap-mmc-highspeed; > disable-wp; > - mmc-ddr-1_8v; > - mmc-hs200-1_8v; > non-removable; > num-slots = <1>; > pinctrl-names = "default"; >