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 5E19EC433F5 for ; Tue, 28 Aug 2018 20:46:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 07EBB2087E for ; Tue, 28 Aug 2018 20:46:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 07EBB2087E 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 S1727479AbeH2AjV (ORCPT ); Tue, 28 Aug 2018 20:39:21 -0400 Received: from mail.bootlin.com ([62.4.15.54]:60635 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726998AbeH2AjU (ORCPT ); Tue, 28 Aug 2018 20:39:20 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id 3ADF222A3C; Tue, 28 Aug 2018 22:45:58 +0200 (CEST) Received: from localhost (unknown [88.191.26.124]) by mail.bootlin.com (Postfix) with ESMTPSA id 105EB20795; Tue, 28 Aug 2018 22:45:48 +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 2/4] arm64: dts: fsl: ls1046a: disable uarts by default Date: Tue, 28 Aug 2018 22:45:42 +0200 Message-Id: <20180828204544.10815-2-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180828204544.10815-1-alexandre.belloni@bootlin.com> References: <20180828204544.10815-1-alexandre.belloni@bootlin.com> 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 { -- 2.18.0