From nobody Mon Feb 9 03:17:14 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B16CC0015E for ; Thu, 27 Jul 2023 10:20:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232422AbjG0KUA (ORCPT ); Thu, 27 Jul 2023 06:20:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233414AbjG0KT5 (ORCPT ); Thu, 27 Jul 2023 06:19:57 -0400 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 998061FFA for ; Thu, 27 Jul 2023 03:19:45 -0700 (PDT) X-UUID: efdee9600b8242dab6b8f45134d09719-20230727 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.28,REQID:cd34a3cc-68f4-4daf-8285-83140148c9bd,IP:5,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:-5,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:0 X-CID-INFO: VERSION:1.1.28,REQID:cd34a3cc-68f4-4daf-8285-83140148c9bd,IP:5,URL :0,TC:0,Content:0,EDM:0,RT:0,SF:-5,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:176cd25,CLOUDID:3f028542-d291-4e62-b539-43d7d78362ba,B ulkID:230727181935Q0FGY2OS,BulkQuantity:0,Recheck:0,SF:44|38|24|17|19|102, TC:nil,Content:0,EDM:-3,IP:-2,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 ,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD,TF_CID_SPAM_FSI X-UUID: efdee9600b8242dab6b8f45134d09719-20230727 X-User: aichao@kylinos.cn Received: from localhost.localdomain [(111.48.58.12)] by mailgw (envelope-from ) (Generic MTA) with ESMTP id 1232940138; Thu, 27 Jul 2023 18:19:32 +0800 From: Ai Chao To: kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me Cc: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Ai Chao Subject: [PATCH] nvme-pci: add quirk to disable APST feature for BIWIN AP443 256GB SSD Date: Thu, 27 Jul 2023 18:19:28 +0800 Message-Id: <20230727101928.1366179-1-aichao@kylinos.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add quirk to disable APST feature for BIWIN AP443 256GB SSD. It drops off the PCIe bus on a Lenovo board, board name is LXKT-ZXFG-N6 or LXKT-ZXE-N70. Signed-off-by: Ai Chao --- drivers/nvme/host/pci.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 7f25c0fe3a0b..240e8e946e01 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2897,7 +2897,18 @@ static unsigned long check_vendor_combination_bug(st= ruct pci_dev *pdev) if ((dmi_match(DMI_BOARD_VENDOR, "LENOVO")) && dmi_match(DMI_BOARD_NAME, "LNVNB161216")) return NVME_QUIRK_SIMPLE_SUSPEND; - } + } else if (pdev->vendor =3D=3D 0x1dee && pdev->device =3D=3D 0x5216) { + /* + * BIWIN AP443 256GB SSD drops off the PCIe bus on a + * Lenovo or KaiTian board, board name is LXKT-ZXFG-N6 + * or LXKT-ZXE-N70 + */ + if ((dmi_match(DMI_BOARD_VENDOR, "LENOVO") || + dmi_match(DMI_BOARD_VENDOR, "KaiTian")) && + (dmi_match(DMI_BOARD_NAME, "LXKT-ZXEG-N6") || + dmi_match(DMI_BOARD_NAME, "LXKT-ZXE-N70"))) + return NVME_QUIRK_NO_APST; + } =20 return 0; } --=20 2.25.1 No virus found Checked by Hillstone Network AntiVirus