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 36D98170828; Wed, 31 Jul 2024 23:56:17 +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=1722470178; cv=none; b=G6tmVMAakc8bXQoJt0Gz4ogMyPQohZYmVAwgUtTItSlZ3ZRMbohJIvDFCS/mKfZ2SPaIhAWv/N+lIN/OGwf3a0Zb3xR36E8af6LKAZqYAPqjL8DivEm1DTCkUgCivZyGG+MkO94D72XRZ3t7VNx9IvogkGEmwg6z8zQrZWvIooY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722470178; c=relaxed/simple; bh=T4sw8rKiOXTbYAT4aUb2OMUCS8f1KwLr5ACCRUuIPKA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EdBtpp3G3L98YpHT9ah+E+MiMtWibZdVbsZf0QdB08uSbqL+C3SmQN9SCPiRZyYV8U34bdOVeInBJMyUNYeeRG5IdAMGy0J4dsfRqagkPvEdLFQ5c6GlX7i57D7lk69K0yiRGtXzQTWkV0s1AH1KjZdBrzdtiaopYvKW06o+40g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Enfic/QW; 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="Enfic/QW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A6404C116B1; Wed, 31 Jul 2024 23:56:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722470177; bh=T4sw8rKiOXTbYAT4aUb2OMUCS8f1KwLr5ACCRUuIPKA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Enfic/QWWXq5c7KRDH0OMzjCJkkJtxAUgHe4KdrXcFehOHhvqocCT5dU0+jwrPDjV Knh8ZY5pZ3+2rQPCmOpv/mKfwXrML+h1XkP4AMmEruiIQuLYG+zmP9Z7+pCklUAHVh ClCM6mnQNuQTudy/jn/9xjJWuIfUEBnNXkajpEz5uFFheIt3q34fa/ni7iENI3BEVp D/0yWpuglPCroMVZnB/4O5/gdzQLQgefND3ty16C/umeQ0jWLUCFee/RgnFo04L2dK YOKZSyofCetFDld59x9iD7gIiZcbsu1UB9A72Zm4IHnI6tryh7xzR6qC80QzVooJc3 XGto6CQjmyxOw== 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 5.15 2/2] nvme/pci: Add APST quirk for Lenovo N60z laptop Date: Wed, 31 Jul 2024 19:56:12 -0400 Message-ID: <20240731235613.3929589-2-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240731235613.3929589-1-sashal@kernel.org> References: <20240731235613.3929589-1-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 5.15.164 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 5a3ba7e390546..d73b8eb76b8f5 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2968,6 +2968,13 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) return NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND; } + /* + * 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