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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 34836C12002 for ; Wed, 14 Jul 2021 19:49:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 21673600D4 for ; Wed, 14 Jul 2021 19:49:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239727AbhGNTwK (ORCPT ); Wed, 14 Jul 2021 15:52:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:45484 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240183AbhGNTte (ORCPT ); Wed, 14 Jul 2021 15:49:34 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 650E461428; Wed, 14 Jul 2021 19:44:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626291887; bh=7CRownILOEHraGQb/+o7G60263aYdP+BP0g8NUMrV/o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kuAZ5W8aqlYIlzpBum0jSoZ2g4fqx2Jh9Qd3G3Oz33inR2WCZko5B4slpsJrnEeWA ZtspyKWClVIE7Zw/3IYi8XJdAfWS/BemjLE3f2KboDFZE8IriLYo2Smmld6grxRrZh jtN8w147b/O2BeqEsxplJ18kq1of18oKfARwpVaqAi1g4VnvwmGlfWyaM5Xlhz8Aic 9VoTmTISkTDFxUV6HgAtT9ofMan82uJ3gjlwjOoC6AX7D6e0ctSNXEs44CWUPVcbjp u8yZxDkFnKKDL0yN3/scQ3jy1RGoKZh9m7da2pWkQ3FtG4HIqviFM8+XRsSSGFekyN uE0hs0JMbJ+/Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Mian Yousaf Kaukab , Shawn Guo , Sasha Levin , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 69/88] arm64: dts: ls208xa: remove bus-num from dspi node Date: Wed, 14 Jul 2021 15:42:44 -0400 Message-Id: <20210714194303.54028-69-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210714194303.54028-1-sashal@kernel.org> References: <20210714194303.54028-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Mian Yousaf Kaukab [ Upstream commit 8240c972c1798ea013cbb407722295fc826b3584 ] On LS2088A-RDB board, if the spi-fsl-dspi driver is built as module then its probe fails with the following warning: [ 10.471363] couldn't get idr [ 10.471381] WARNING: CPU: 4 PID: 488 at drivers/spi/spi.c:2689 spi_register_controller+0x73c/0x8d0 ... [ 10.471651] fsl-dspi 2100000.spi: Problem registering DSPI ctlr [ 10.471708] fsl-dspi: probe of 2100000.spi failed with error -16 Reason for the failure is that bus-num property is set for dspi node. However, bus-num property is not set for the qspi node. If probe for spi-fsl-qspi happens first then id 0 is dynamically allocated to it. Call to spi_register_controller() from spi-fsl-dspi driver then fails. Since commit 29d2daf2c33c ("spi: spi-fsl-dspi: Make bus-num property optional") bus-num property is optional. Remove bus-num property from dspi node to fix the issue. Signed-off-by: Mian Yousaf Kaukab Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi index e7abb74bd816..4d34d82b898a 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi @@ -625,7 +625,6 @@ dspi: spi@2100000 { clocks = <&clockgen 4 3>; clock-names = "dspi"; spi-num-chipselects = <5>; - bus-num = <0>; }; esdhc: esdhc@2140000 { -- 2.30.2