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 C7041C83F26 for ; Mon, 21 Jul 2025 13:30:13 +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:From:References:Cc:To:Subject:MIME-Version: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=feKog43rJiR+7WrD2fyf/f609Ac+oo2RToGFuyZm920=; b=qAmGWpC3qTGPkSr5NW/BB+72H8 N28joIGtHYZJfTaN5neL6Inbtfj2jdXQ1pcoptdptnaLVBKSuSACngIJUiO54sgTJbC5YAkEEgGAf WMAjzny5ndemhEo/69ZIv5+WUA7PWgii8Y+mmKt8kG425YR66rgHX9xB0xPi4e6hjj4OtcPYeyFVd MCpQIJ1d23zak5vds/gaKQRWEx06D9s6mplME+PM2TglL1fFW+xSUDEOCDmjChGUXTCYKchyWUKMA Q9jlqWwlOnj59QuS5/hLH1B5aPvjjZUv7EU9bKDKjgHY9UDbLdl95JPVxXu0vB6n5RsaYwH808X1c agdQfUfw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1udqal-0000000HOQW-2iew; Mon, 21 Jul 2025 13:30:07 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1udpOl-0000000HE99-1DkW; Mon, 21 Jul 2025 12:13:40 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1753100017; bh=89si7M0WjZ1kR/Rl/+DZDesVyoQF4BNz1KXqMbCzo4Q=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=p2m3sLSRllogqBs79NyF8DpM0mdySNUVj4lyfqlTzxqVc7TQCb9Sw54jwx8lGMc7O HAeoUofH3fXwXuh8D0Q+qveJKsy6D/7JxCOthcP3CZTHo4jUM1zcU4vkAvan2LlQBH pNYj1SBIoauhQT/dd1N6SLT05P5ITtDUGEQ7CMlpWFEQsmfpsVua8BaYptZsvI50lm s5aIW9bFV6YKpjMo1S2pXO1dIWN0blw9tfZIVtiaRPiJX7pc1p85O1INHV22vY1QV2 Ug2qfL9b7X6GGZjAs4e9qUZIRFqXyq960GO/ZtSdosJhmyRpg3YfHNmAbU3qZ7V757 mVncr6rK7EPhA== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id E9D0E17E0CE6; Mon, 21 Jul 2025 14:13:36 +0200 (CEST) Message-ID: Date: Mon, 21 Jul 2025 14:13:36 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: mediatek: mt8195: Remove suspend-breaking reset from pcie0 To: Guoqing Jiang , robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, jianjun.wang@mediatek.com, tinghan.shen@mediatek.com Cc: macpaul.lin@mediatek.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org References: <20250721095959.57703-1-guoqing.jiang@canonical.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20250721095959.57703-1-guoqing.jiang@canonical.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250721_051339_485722_DD04BF70 X-CRM114-Status: UNSURE ( 7.92 ) 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 Il 21/07/25 11:59, Guoqing Jiang ha scritto: > When test suspend resume with 6.8 based kernel, system can't resume > and I got below error which can be also reproduced with 6.16 rc6+ > kernel. > > mtk-pcie-gen3 112f0000.pcie: PCIe link down, current LTSSM state: detect.quiet (0x0) > mtk-pcie-gen3 112f0000.pcie: PM: dpm_run_callback(): genpd_resume_noirq returns -110 > mtk-pcie-gen3 112f0000.pcie: PM: failed to resume noirq: error -110 > > After investigation, looks pcie0 has the same problem as pcie1 as > decribed in commit 3d7fdd8e38aa ("arm64: dts: mediatek: mt8195: > Remove suspend-breaking reset from pcie1"). > > Fixes: ecc0af6a3fe6 ("arm64: dts: mt8195: Add pcie and pcie phy nodes") > Signed-off-by: Guoqing Jiang Reviewed-by: AngeloGioacchino Del Regno