From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 19AC618B489; Wed, 31 Jul 2024 23:56:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722470194; cv=none; b=I8OLNZgqOfGJD7tBhRky61vsbpQiinwrPLWzWdsPoxgOErgruej/JPYy+STTvp79dk13scqJ2eS1AxZP+Yjs5/gEJdg7b/2MooxSrekshVSzEtRBo7GoKi7hSio3HndKY0OThuMRi/iXuwnOZKsnORrSD/vaq1DMi5trMEHvF7I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722470194; c=relaxed/simple; bh=8roy8Xw2jj/VUUAXDLqEtyfSX75T55OU+WbOye7wrto=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uDlzLCt1ziNHOxKhmjCw7FNiq//rPE46XLGSNYpx0bPb+LZGUBf/Dp6aZtpau7/qNb9PssbEvNcbxs+apu9X6Z8Lu092HvRgWXs3ZNTmJq5LZLNM0FG1QgpWM69QsIueQK0NwLg2gSZwBI3Z3dw0b6YAjZDBpu1Gdlew129NtDE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aOJyIKTQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aOJyIKTQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9143EC4AF0C; Wed, 31 Jul 2024 23:56:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722470193; bh=8roy8Xw2jj/VUUAXDLqEtyfSX75T55OU+WbOye7wrto=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aOJyIKTQMvuUvlg5Y6+P1amhoJ4O6lBK3C+xy6c5g3TNR6pNW5apfDzplFtLYI7Tz g/hubAajM0yEHS+5VN+9JovrHu9OzrcfJiRtHEervYSRmsi+2EoAohxQWkw5kpeR1Q uRWYE4jjyA6KWcIA/y6B21ypT30c1/zs5V4sJNk3o4pEqOLxHWIGQi3s+DoC/+Dl34 secGByXQZ9GbiY9wNKSPwloXUDSQoU8W1si4tx43EAyMd3f2JKaDH/bQz91n+yZnVG Cig65bEQT2EaM4fHQZihq54dQX+VWghPtl6iuMoUD7xFgREE+0xrc/h+/Oz0ii2bWE YXGondBW7apew== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: WangYuli , hmy , Wentao Guan , Keith Busch , Sasha Levin , sagi@grimberg.me, linux-nvme@lists.infradead.org Subject: [PATCH AUTOSEL 4.19 2/2] nvme/pci: Add APST quirk for Lenovo N60z laptop Date: Wed, 31 Jul 2024 19:56:28 -0400 Message-ID: <20240731235629.3929769-2-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240731235629.3929769-1-sashal@kernel.org> References: <20240731235629.3929769-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 4.19.319 Content-Transfer-Encoding: 8bit From: WangYuli [ Upstream commit ab091ec536cb7b271983c0c063b17f62f3591583 ] There is a hardware power-saving problem with the Lenovo N60z board. When turn it on and leave it for 10 hours, there is a 20% chance that a nvme disk will not wake up until reboot. Link: https://lore.kernel.org/all/2B5581C46AC6E335+9c7a81f1-05fb-4fd0-9fbb-108757c21628@uniontech.com Signed-off-by: hmy Signed-off-by: Wentao Guan Signed-off-by: WangYuli Signed-off-by: Keith Busch Signed-off-by: Sasha Levin --- drivers/nvme/host/pci.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 163497ef48fd7..a243c066d9234 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2481,6 +2481,13 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) return NVME_QUIRK_NO_APST; } + /* + * NVMe SSD drops off the PCIe bus after system idle + * for 10 hours on a Lenovo N60z board. + */ + if (dmi_match(DMI_BOARD_NAME, "LXKT-ZXEG-N6")) + return NVME_QUIRK_NO_APST; + return 0; } -- 2.43.0