From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 893541C68F; Sun, 21 Jun 2026 06:55:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782024906; cv=none; b=h9lX8pMZ2UemwY3AoKBKlOlpNo8yZAiFrIUdrBa0ek5PWJGfgKZr/t5sGlFDxREhCtM1rxk0UdqXohohAB6CxFBZR/KqX/uMOh+GT50T5NXZt4YQPtBG5RbuCiP2eK7K3QADbLhPe7au1Yo5dvQyc3y/+TU6xpx21DInur4l7M8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782024906; c=relaxed/simple; bh=Wx01uP3faFngXSSrd1jm6na8igotzoZExmtNPTQ84ss=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ex3TdRvcEPSXt1bHAXY13tPcP5lWL3KScWx+wSBbgPFwjby8No3V+7TDdQH7+Blfxo/D+TZ0ldD9tUFLT2DBzagOcYTsReTgkn5+FmfXg5XgQr/ZYyUTDWltyqSSAq/afqKf3VG12uT4gNRFX7DlljPzEhc/tGAUuYWm9R6als0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=c5jhijwH; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="c5jhijwH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1782024904; x=1813560904; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Wx01uP3faFngXSSrd1jm6na8igotzoZExmtNPTQ84ss=; b=c5jhijwH4PG3lsj0wJ8wt7mT8i4Ye1OOkC2hoN1QZ8olMk7obPbm7hvM I3d+pMmUH/5Sjscus779lCa5bDwotIIOOyA/WVVlRCnAiTXSOi0QUT0LM U7NwerslBt8uSkESLK3FbCm2aRLfYG59oNutRH2CpwkXOYuyX7/pNTUyy 8vmJ/jKmyOatz6gXHg5VHvUz7BQ9o5FJUgWt3YUrSrseuP6Wms56+UFcp 36JMdbhlgdDWPv/gY2LpCVWfmTSwbjN1OfVZtwST1IW2aTpuXdU2s2eo6 TX+DMjcJ/qv7RevHXbHUGfFfIw4Q8AH30AmFHt/z6YjjSVifVZLvXVsBN g==; X-CSE-ConnectionGUID: TGuTOx/uQMWmNvj4UX6Hdg== X-CSE-MsgGUID: wBsp2JiZT2aHN0q/fgFUQg== X-IronPort-AV: E=McAfee;i="6800,10657,11823"; a="93444611" X-IronPort-AV: E=Sophos;i="6.24,216,1774335600"; d="scan'208";a="93444611" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jun 2026 23:55:03 -0700 X-CSE-ConnectionGUID: KbyF/pl+Svet30DepINh+A== X-CSE-MsgGUID: maxN6Em8RdK8YKWY1jUL3w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,216,1774335600"; d="scan'208";a="247809376" Received: from egrumbac-mobl6.jer.intel.com ([10.13.65.199]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jun 2026 23:55:02 -0700 From: Emmanuel Grumbach To: linux-pci@vger.kernel.org, helgaas@kernel.org Cc: linux-wireless@vger.kernel.org, Miri Korenblit , Emmanuel Grumbach Subject: [PATCH] PCI: Disable NoSnoop and Relaxed ordering for Intel wireless BE200 Date: Sun, 21 Jun 2026 09:54:51 +0300 Message-ID: <20260621065451.21650-1-emmanuel.grumbach@intel.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The Intel wireless BE200 device fails to copy the TLP Attributes from a Request to the Completion. Since there is no caching involved the device anyway, disable the NoSnoop and Relaxed ordering on the root port. Signed-off-by: Emmanuel Grumbach --- drivers/pci/quirks.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index c0242f3e9f06..e9f070d07b2c 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4674,6 +4674,13 @@ static void quirk_chelsio_T5_disable_root_port_attributes(struct pci_dev *pdev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CHELSIO, PCI_ANY_ID, quirk_chelsio_T5_disable_root_port_attributes); +/* + * The Intel wireless BE200 fails to copy TLP Attributes from a Request to the + * Completion it generates. + */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x272b, + quirk_disable_root_port_attributes); + /* * pci_acs_ctrl_enabled - compare desired ACS controls with those provided * by a device -- 2.54.0