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 X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63AFEC43334 for ; Mon, 3 Sep 2018 14:08:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2898320843 for ; Mon, 3 Sep 2018 14:08:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2898320843 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727704AbeICS3F (ORCPT ); Mon, 3 Sep 2018 14:29:05 -0400 Received: from mail.bootlin.com ([62.4.15.54]:37580 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727659AbeICS3F (ORCPT ); Mon, 3 Sep 2018 14:29:05 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id 2E77D208B5; Mon, 3 Sep 2018 16:08:44 +0200 (CEST) Received: from localhost (242.171.71.37.rev.sfr.net [37.71.171.242]) by mail.bootlin.com (Postfix) with ESMTPSA id 0233120618; Mon, 3 Sep 2018 16:08:43 +0200 (CEST) From: Alexandre Belloni To: Shawn Guo Cc: Li Yang , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alexandre Belloni Subject: [PATCH v2 3/5] arm64: dts: fsl: ls1046a: disable uarts by default Date: Mon, 3 Sep 2018 16:08:38 +0200 Message-Id: <20180903140840.23648-3-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.19.0.rc1 In-Reply-To: <20180903140840.23648-1-alexandre.belloni@bootlin.com> References: <20180903140840.23648-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Disable the UARTs by defaultto avoid registering unused UARTs. This effectively change the number of registered UARTS for the RDB and QDS from 4 to 2 but this seems the right thing to do. It is especially useful when connecting other 8250 uart on PCIe for example as the default maximum number of 8250 UARTs that can be registered is 4. Signed-off-by: Alexandre Belloni --- arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi index 2d8122019cd8..62ae3ee19d6f 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi @@ -423,6 +423,7 @@ reg = <0x00 0x21c0500 0x0 0x100>; interrupts = ; clocks = <&clockgen 4 1>; + status = "disabled"; }; duart1: serial@21c0600 { @@ -430,6 +431,7 @@ reg = <0x00 0x21c0600 0x0 0x100>; interrupts = ; clocks = <&clockgen 4 1>; + status = "disabled"; }; duart2: serial@21d0500 { @@ -437,6 +439,7 @@ reg = <0x0 0x21d0500 0x0 0x100>; interrupts = ; clocks = <&clockgen 4 1>; + status = "disabled"; }; duart3: serial@21d0600 { @@ -444,6 +447,7 @@ reg = <0x0 0x21d0600 0x0 0x100>; interrupts = ; clocks = <&clockgen 4 1>; + status = "disabled"; }; gpio0: gpio@2300000 { -- 2.19.0.rc1