From patchwork Fri Jul 29 06:31:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 12931996 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 AFA2AC19F2B for ; Fri, 29 Jul 2022 06:36:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7D7K0xaHwB0q7M7BAJLoh+Jvl/zpkeLIcQr1cQxKcM8=; b=DdCBRuP4eMI0ii PL4wc1Y9bOHfr5PJyZYuO7lTbXhumaSSZNauS9F8yjxpSQ8RVIspUIjoYgdHcd77M4JVKAVcDwSSt HQ73Ipz1aFXuYP49vwqaXLFps73FLfZ7XQiqGUWqrXmbkkaHDovJYhy8jgWfr2PqoCfJBHyLG3QHr PXQ3EGw6O+ZWbIFvqs/cOtZXSCC6rL3GRBikbx7024cRo7VE1aBMw8bENzXR9yJ8ZVlY8no0adKt3 ezRUc9rzGmtUicslNN7cfnf+/v+4BzzBM3tOPFtGl6nhJhJpeN+3xBrVLx5YpgvFHeZ9drVSzxmbq b6XVoKxUwXipift60Csg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oHJZy-0025LQ-OA; Fri, 29 Jul 2022 06:34:35 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oHJZu-0025JA-6f; Fri, 29 Jul 2022 06:34:31 +0000 X-UUID: b4d4997eaea246619eedbee34810ea95-20220728 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.8,REQID:f4c8fda7-790d-4dc5-98ae-6ef5d37052a0,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:51,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACT ION:release,TS:51 X-CID-META: VersionHash:0f94e32,CLOUDID:1b0ab324-a982-4824-82d2-9da3b6056c2a,C OID:IGNORED,Recheck:0,SF:801,TC:nil,Content:3,EDM:-3,IP:nil,URL:0,File:nil ,QS:nil,BEC:nil,COL:0 X-UUID: b4d4997eaea246619eedbee34810ea95-20220728 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1198015851; Thu, 28 Jul 2022 23:34:25 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Fri, 29 Jul 2022 14:32:13 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Fri, 29 Jul 2022 14:32:13 +0800 From: Tinghan Shen To: Yong Wu , Joerg Roedel , "Will Deacon" , Robin Murphy , Rob Herring , Krzysztof Kozlowski , Lee Jones , "Matthias Brugger" , Tinghan Shen , AngeloGioacchino Del Regno , "MandyJH Liu" CC: , , , , , , Fengquan Chen Subject: [PATCH v4 08/20] arm64: dts: mt8195: Disable watchdog external reset signal Date: Fri, 29 Jul 2022 14:31:56 +0800 Message-ID: <20220729063208.16799-9-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220729063208.16799-1-tinghan.shen@mediatek.com> References: <20220729063208.16799-1-tinghan.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220728_233430_266096_1949F893 X-CRM114-Status: UNSURE ( 8.68 ) X-CRM114-Notice: Please train this message. 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 Disable the external output reset signal of watchdog reset to avoid losing the reset reason stored in the watchdog registers. Signed-off-by: Fengquan Chen Signed-off-by: Tinghan Shen Reviewed-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8195.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi index 066c14989708a..436687ba826f4 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -327,6 +327,7 @@ watchdog: watchdog@10007000 { compatible = "mediatek,mt8195-wdt", "mediatek,mt6589-wdt"; + mediatek,disable-extrst; reg = <0 0x10007000 0 0x100>; };