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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0EA471099B54 for ; Sat, 21 Mar 2026 06:52:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:References:Subject:CC:To:MIME-Version:From:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6XtsZWAGk48YVYztLl6cAEeAXe1IPKu+44shW3xOrgY=; b=h6JhHVqZeX11+73DbaJQolRs+9 oJocMmBO7hB7853YwIpUrauvglOC23qU+G+xN1zkjs9GW5Jsj0jfECNoyCqZJEylWigRnCzTuk/5x gqzSQnXSq1JrH24li/30znVRRkkCWuDGtxH+AMrb4EYA/0NQyxJnRKBa6ppjxDdfJF8Cd636Coi8G dw5mGv+1LJCsZGisVXvchwxt3U7lZJjbl0nE5koDG8O8dDEjqQtRSEx4hS9jZtA3ZO6IsaPJ7jh5D by7QtfV38+tHmx2FlFWprZu61KS8QjLrRD3khYEVhwpyt4vzK9KqOQH8jE9D+Bd8G5QPJk1Sn4+Ro eQ426S5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3qC8-0000000EASX-2hQ4; Sat, 21 Mar 2026 06:52:25 +0000 Received: from canpmsgout05.his.huawei.com ([113.46.200.220]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3qC5-0000000EARX-1uod for linux-arm-kernel@lists.infradead.org; Sat, 21 Mar 2026 06:52:22 +0000 dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=6XtsZWAGk48YVYztLl6cAEeAXe1IPKu+44shW3xOrgY=; b=bXlRLg4TwkHJ1RiyPirjTWfv5/n5S1rURH/vmeyW5+fGRIJyT/9Tn3N9jAjgAIOuIQ8tBZJXP znGmNesxk+8dCkNGKaXeT3O4ep0JEHioF+3VlwVUpvWyAAOHGftOFPTcGLKJcgwu2WqaiOXIbTT bNj3OjIPrtPri/qeurXk6iU= Received: from mail.maildlp.com (unknown [172.19.162.144]) by canpmsgout05.his.huawei.com (SkyGuard) with ESMTPS id 4fd92R746Kz12LFf; Sat, 21 Mar 2026 14:46:39 +0800 (CST) Received: from dggemv706-chm.china.huawei.com (unknown [10.3.19.33]) by mail.maildlp.com (Postfix) with ESMTPS id B41F940567; Sat, 21 Mar 2026 14:52:09 +0800 (CST) Received: from kwepemq100003.china.huawei.com (7.202.195.72) by dggemv706-chm.china.huawei.com (10.3.19.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Sat, 21 Mar 2026 14:52:09 +0800 Received: from [10.67.113.213] (10.67.113.213) by kwepemq100003.china.huawei.com (7.202.195.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Sat, 21 Mar 2026 14:52:09 +0800 Message-ID: <69BE4018.6020600@hisilicon.com> Date: Sat, 21 Mar 2026 14:52:08 +0800 From: Wei Xu User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Shawn Guo CC: , , , , Subject: Re: [PATCH] arm64: dts: hisilicon: hi3798cv200: Add missing dma-ranges References: <20260227072210.1350159-1-shawnguo@kernel.org> In-Reply-To: <20260227072210.1350159-1-shawnguo@kernel.org> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.67.113.213] X-ClientProxiedBy: kwepems100002.china.huawei.com (7.221.188.206) To kwepemq100003.china.huawei.com (7.202.195.72) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260320_235221_723357_1A6ADBF0 X-CRM114-Status: GOOD ( 12.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Shawn, On 2026/2/27 15:22, Shawn Guo wrote: > Reboot starts failing on Poplar since commit 8424ecdde7df ("arm64: mm: > Set ZONE_DMA size based on devicetree's dma-ranges"), which effectively > changes zone_dma_bits from 30 to 32 for arm64 platforms that do not > properly define dma-ranges in device tree. It's unclear how Poplar reboot > gets broken by this change exactly, but a dma-ranges limiting zone_dma to > the first 1 GB fixes the regression. > > Fixes: 2f20182ed670 ("arm64: dts: hisilicon: add dts files for hi3798cv200-poplar board") > Cc: stable@vger.kernel.org > Signed-off-by: Shawn Guo > --- > arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi b/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi > index f6bc001c3832..2f4ad5da5e33 100644 > --- a/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi > +++ b/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi > @@ -122,6 +122,7 @@ soc: soc@f0000000 { > #address-cells = <1>; > #size-cells = <1>; > ranges = <0x0 0x0 0xf0000000 0x10000000>; > + dma-ranges = <0x0 0x0 0x0 0x40000000>; > > crg: clock-reset-controller@8a22000 { > compatible = "hisilicon,hi3798cv200-crg", "syscon", "simple-mfd"; > Applied to the HiSilicon arm64 dt tree. Thanks! Best Regards, Wei