From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out198-177.us.a.mail.aliyun.com (out198-177.us.a.mail.aliyun.com [47.90.198.177]) (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 6289B37BE85 for ; Thu, 9 Apr 2026 08:31:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=47.90.198.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775723474; cv=none; b=bvpuWxrKV7SHioEbGzaKFsCyGxILKfARlp2oCrihBnCkORPhEZbHtn2nQBAvoX394Q2AFWfjvf56Fyb3nbiLEpQ9KenfnagaBPfRHcC6v4yOdx//o3dTlmaOLlgngC2ZUSYnsrn2dABN5wUtK3oV47LBU+/8fW3hChePxTw3k4w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775723474; c=relaxed/simple; bh=mLKgGf7w+c9p4XbegPcLafVfPngsCqyhQCyKmx7y1PU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=EqmltOGgDVGhrpyPBPEP/K6ZQ/3dji0eaBWT2sBgUoa4rIZIpcYkJTDOnr4TRkQxDNeSJFtad9F3UrKmce6bAoMJKPgnQWNteXsC6tUkHizV0kKnkyFE30lEIwAhCDPPCXRfNyu7URg50EUvOAT9h8A/c7TUlU+HK7NMhAVXCg0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=alancui.cc; spf=pass smtp.mailfrom=alancui.cc; dkim=pass (2048-bit key) header.d=alancui.cc header.i=@alancui.cc header.b=uwm0ZOLH; arc=none smtp.client-ip=47.90.198.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=alancui.cc Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alancui.cc Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=alancui.cc header.i=@alancui.cc header.b="uwm0ZOLH" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=alancui.cc; s=default; t=1775723460; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; bh=odLFO39bXhfg9n43tA+hKLrtmKzFX/8QBMkrTA1i9ik=; b=uwm0ZOLH00CIThvsaarcsxP5Uoow4fZ7RIIA3kbdpYoMXkP2Ev5U8MKRufvdgujEYL5qCS7pFUboksstzK8jXe9SLc+g4vfh9l3bfxPXbj/nHh9wLWPP2Hnd9AjfQ9L0oDofV0sOzZDLI8Z3qVR33QcyYApigcy/bdZsekf/3mdpfqcUTvsHO24lBKfP6mXc4G1FzyZt9at8F4xTx13qiCCiqDXBBzRxuJa9jgGW0b83R2lVR0dZe/HlgJZfg3DG6Jo3ftGm9BBPdYuWRmbfuBWmXmL8pg7iEQO26YKbPxfUA0DIB/1QpKqOJAuh8WnCfyvqRrS4F5gHq8jB8D/z7Q== X-Alimail-AntiSpam:AC=CONTINUE;BC=0.7834899|0.1379718;CH=green;DM=|AD|false|;DS=CONTINUE|ham_system_inform|0.139457-0.00582877-0.854715;FP=10759842631866930947|0|0|0|0|-1|-1|-1;HT=maildocker-contentspam033023018039;MF=me@alancui.cc;NM=1;PH=DS;RN=3;RT=3;SR=0;TI=SMTPD_---.h8BWd5o_1775722525; Received: from alanarchdesktop.localnet(mailfrom:me@alancui.cc fp:SMTPD_---.h8BWd5o_1775722525 cluster:ay29) by smtp.aliyun-inc.com; Thu, 09 Apr 2026 16:15:26 +0800 From: Alan Cui To: linux-nvme@lists.infradead.org, kbusch@kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] nvme: add quirk NVME_QUIRK_IGNORE_DEV_SUBNQN for 144d:a808 (Samsung PM981/983/970 EVO Plus ) Date: Thu, 09 Apr 2026 16:15:25 +0800 Message-ID: <9600680.CDJkKcVGEf@alanarchdesktop> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" The firmware for Samsung 970 Evo Plus / PM981 / PM983 does not support SUBNQN. Make quirks to suppress warnings. # nvme id-ctrl /dev/nvme1n1 NVME Identify Controller: vid : 0x144d ssvid : 0x144d sn : *** mn : Samsung SSD 970 EVO Plus 500GB fr : 2B2QEXM7 mcdqpc : 0 subnqn : ioccsz : 0 Signed-off-by: Alan Cui --- diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index e6267a6aa..d4e68cf9a 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3375,6 +3375,8 @@ static const struct pci_device_id nvme_id_table[] = { .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, }, { PCI_DEVICE(0x1c5f, 0x0540), /* Memblaze Pblaze4 adapter */ .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, }, + { PCI_DEVICE(0x144d, 0xa808), /* Samsung PM981/983 */ + .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, }, { PCI_DEVICE(0x144d, 0xa821), /* Samsung PM1725 */ .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, }, { PCI_DEVICE(0x144d, 0xa822), /* Samsung PM1725a */