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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4D1FC3F2CD for ; Tue, 3 Mar 2020 03:00:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9FB4D217F4 for ; Tue, 3 Mar 2020 03:00:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583204450; bh=elcTV0k0ys/7tAkYgn43PMF4GsozM4mC2Pn8WoGahL0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JSgPdCd+pIpjF5hFNRScsL4LYbMa+9JL2iEFtoA1WN114cQRAusm5x0TxpY4l/Kd1 t/RLRIiTy++v3LHcwC4G2Tb/AypMJyqXbjdolXb5RZ+8znWwrcDkRG+dbGFY3ANz1n lpxJyAB53HFehSwMUs0GFfVTw/mwF210fmLS7Abw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727715AbgCCDAs (ORCPT ); Mon, 2 Mar 2020 22:00:48 -0500 Received: from mail.kernel.org ([198.145.29.99]:42088 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727926AbgCCCrM (ORCPT ); Mon, 2 Mar 2020 21:47:12 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4FC8D246D6; Tue, 3 Mar 2020 02:47:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583203632; bh=elcTV0k0ys/7tAkYgn43PMF4GsozM4mC2Pn8WoGahL0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aHEIS8syBAQsi6yKokJ7Gbhg16bMlGu6noGNRaxoMml2PDgdFo6bBSWIWKHOrSFfG oeNoyP8b13iTTi7gxk+6+N7TIo55JM5B9fVW2xnrcFpJ/WLOZLrk5FC6OaT9HU2Cq8 +Vn0JZbhiGtG8kN7fA1yfKPuW8VfL1L5g+Q06y4c= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Shyjumon N , Jon Derrick , Christoph Hellwig , Keith Busch , Sasha Levin , linux-nvme@lists.infradead.org Subject: [PATCH AUTOSEL 5.5 45/66] nvme/pci: Add sleep quirk for Samsung and Toshiba drives Date: Mon, 2 Mar 2020 21:45:54 -0500 Message-Id: <20200303024615.8889-45-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200303024615.8889-1-sashal@kernel.org> References: <20200303024615.8889-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Shyjumon N [ Upstream commit 1fae37accfc5872af3905d4ba71dc6ab15829be7 ] The Samsung SSD SM981/PM981 and Toshiba SSD KBG40ZNT256G on the Lenovo C640 platform experience runtime resume issues when the SSDs are kept in sleep/suspend mode for long time. This patch applies the 'Simple Suspend' quirk to these configurations. With this patch, the issue had not been observed in a 1+ day test. Reviewed-by: Jon Derrick Reviewed-by: Christoph Hellwig Signed-off-by: Shyjumon N Signed-off-by: Keith Busch Signed-off-by: Sasha Levin --- drivers/nvme/host/pci.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index da392b50f73e7..21fb73cb66907 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2734,6 +2734,18 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) (dmi_match(DMI_BOARD_NAME, "PRIME B350M-A") || dmi_match(DMI_BOARD_NAME, "PRIME Z370-A"))) return NVME_QUIRK_NO_APST; + } else if ((pdev->vendor == 0x144d && (pdev->device == 0xa801 || + pdev->device == 0xa808 || pdev->device == 0xa809)) || + (pdev->vendor == 0x1e0f && pdev->device == 0x0001)) { + /* + * Forcing to use host managed nvme power settings for + * lowest idle power with quick resume latency on + * Samsung and Toshiba SSDs based on suspend behavior + * on Coffee Lake board for LENOVO C640 + */ + if ((dmi_match(DMI_BOARD_VENDOR, "LENOVO")) && + dmi_match(DMI_BOARD_NAME, "LNVNB161216")) + return NVME_QUIRK_SIMPLE_SUSPEND; } return 0; -- 2.20.1