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 7854E16F8F3; Wed, 31 Jul 2024 23:56:07 +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=1722470167; cv=none; b=sqY0WSadz8oI5KKkTQ78qFr9CfxDLNKb+z7T6uv9v9nLMDWz4lC162KRTwcHB8RLeQdrBQBRRnjMeIMhMDP+6cadM4mjZ4UsYKpnPW3Fb1MyPZJng0Ovme2/JCMzPdWW+iEsf9ZaIJucGIzbecouAwuMIyk3Z2Zlfh+/xXzQDss= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722470167; c=relaxed/simple; bh=J5A+VaynqsB56aee4iFU6MhjpOJp9RxqKEdz1mR9oyA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fSWj2qZZcHSdmx28BOH4EonsByeveO5a7zifDyWPmod3rMYEUOVXmrYjplKKqG67Ve5LXqJbbaVm1Ovx26cU1lxUsL6ayVsqt22480cw6HBcdjCBbYNTEhhOXVa9DkOBT7Ya2ZDzHske1h7SeiotvU7tFXYIJAOiySON4+V6+Dg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=be3BsEL0; 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="be3BsEL0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 002E2C4AF0C; Wed, 31 Jul 2024 23:56:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722470167; bh=J5A+VaynqsB56aee4iFU6MhjpOJp9RxqKEdz1mR9oyA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=be3BsEL0XY0nzaerfBV+uc1e3PSrj9LOdOuUFbfUqDBmMlgfXqtZdUd9hiQ4kAusu sC/0UQL50l54c3+fXyjzZu+V4fNpVVPJ2Z8ej4bhWowXWkUYr/wNEdgiBV/6y1d2Xu fPMrqxfoac1HI9uO57urWhMlDKtbzgtyFGeA2MOIfCbXKg5DgXWCANgEK0fnzIJSMO Ka1MXDy8h+gUqE5wpsruzwj3l8jHc7rdKLHe1Yo14TIv7OQF2fhPKeKbEn7Lik84fN U7ND6ViRl0CZVNKJkQHmMwBTG7Bo/MJwzHEJQ7+fQy+wq3ebeS6r8rgyommLP1g+Nc WAzZuU4zeBN/g== 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 6.6 2/2] nvme/pci: Add APST quirk for Lenovo N60z laptop Date: Wed, 31 Jul 2024 19:56:02 -0400 Message-ID: <20240731235602.3929485-2-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240731235602.3929485-1-sashal@kernel.org> References: <20240731235602.3929485-1-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 6.6.43 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 710fd4d862520..ca485e5e31896 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2930,6 +2930,13 @@ 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