From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 E78D14334A5; Tue, 22 Sep 2026 20:46:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790109993; cv=none; b=M3Y22Is5cC1qcDys/4HH8AcgMj/qP3SD1pf1zQdTvQHrEG/XqapPd7hpvVvVrFGhJfXGDPc58mNug33/ssxgaOL070rm8Wi9hnmZu7qZIRpd4wIe4uzXuUmYusMLv2VaF4TSZejUckSBYq+WFuZrQOeYh+h0zwvoGDgFyCon/gs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790109993; c=relaxed/simple; bh=kryAAzTAeZCZMWTsC4otulpVZ8szVC1RX2hypxRdDN4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CkAIaFOpg88hpRSCdfvf1W5GKFu93UbaR+Oc1+DtGA7OqI+0zp7rnWDZXQTapgE4/F7fMFvsFK6eZMszjGHmmXbudrrO9CT6r1sGMDPoeectvnAF+rd//YGKlGENMJtUOzMgwdG1QTExe2dvOn2g/YuudbLzDlxluV6H+IknVdQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=g9koUWlb; arc=none smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="g9koUWlb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790109988; x=1821645988; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=kryAAzTAeZCZMWTsC4otulpVZ8szVC1RX2hypxRdDN4=; b=g9koUWlbbjYhrA2ZUIX02qd5R6M9Tdqi45yCyNXQ3K6kjvGu2Ne9VwkI y1rsfBzrDqRYpr9hI+R1VsEjcAHC6joRSGzqYAi+I7eNKeMtxNoOHVT3N vGu5tG6IsMS3TLj5ev+v6XwpfMutt+AcGIBs1Gt9WMRLQ6a/aNTgxqjIu O2HosFTdUER59I8Lb+vQYDQ5dq3YO63n6KLHnwn/FM+L958bqsfERFeDn SfQ2BBWCz6ba5hmorqrpn1nyW2L7e08IY2t5HAxDlfAB4k6h8wEfpCORG F1D73Bo8CI+iyK9JSRbmSJ/psz1foF8L/gZuBBxEjkV99c58C4HxqMkpG w==; X-CSE-ConnectionGUID: yafLHq36Ts2W0eorwFKvIA== X-CSE-MsgGUID: M9mYmickTfWAbJV85+TPwg== X-IronPort-AV: E=McAfee;i="6800,10657,11913"; a="90621936" X-IronPort-AV: E=Sophos;i="6.27,117,1787036400"; d="scan'208";a="90621936" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2026 13:45:52 -0700 X-CSE-ConnectionGUID: 0uJUlXfgS9WME37A1KC8YQ== X-CSE-MsgGUID: s7LUF9a8TamXdFzoU6+uTw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,117,1787036400"; d="scan'208";a="272493142" Received: from skuppusw-desk2.jf.intel.com ([10.165.154.101]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2026 13:45:51 -0700 From: Kuppuswamy Sathyanarayanan To: Bjorn Helgaas Cc: linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, rafael@kernel.org, lukas@wunner.de, terry.bowman@amd.com, kanie@linux.alibaba.com, olof@lixom.net, Kuppuswamy Sathyanarayanan Subject: [PATCH v14 1/4] PCI: Assume control of portdrv-related features only when portdrv enabled Date: Tue, 22 Sep 2026 13:45:45 -0700 Message-ID: <20260922204548.3884906-2-sathyanarayanan.kuppuswamy@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260922204548.3884906-1-sathyanarayanan.kuppuswamy@linux.intel.com> References: <20260922204548.3884906-1-sathyanarayanan.kuppuswamy@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Native control of PME, AER, DPC, and PCIe hotplug depends on the portdrv, so default to native handling of them only when CONFIG_PCIEPORTBUS is enabled. Native control of LTR and SHPC hotplug does not depend on portdrv, so keep defaulting those to native regardless. [bhelgaas: commit log] Link: https://lore.kernel.org/r/fcbe8a624166a1101a755edfef44a185d32ff493.1603766889.git.sathyanarayanan.kuppuswamy@linux.intel.com Signed-off-by: Kuppuswamy Sathyanarayanan Signed-off-by: Bjorn Helgaas --- Changes since v13 * Use a local IS_ENABLED(CONFIG_PCIEPORTBUS) variable instead of #ifdef (Lukas Wunner) v13 posting https://lore.kernel.org/r/20260919162655.3499010-1-sathyanarayanan.kuppuswamy@linux.intel.com drivers/pci/probe.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 27008e2ea5af..1e487a213eb0 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -658,6 +658,8 @@ static const struct device_type pci_host_bridge_type = { static void pci_init_host_bridge(struct pci_host_bridge *bridge) { + bool port_services = IS_ENABLED(CONFIG_PCIEPORTBUS); + INIT_LIST_HEAD(&bridge->windows); INIT_LIST_HEAD(&bridge->dma_ranges); INIT_LIST_HEAD(&bridge->ports); @@ -668,12 +670,12 @@ static void pci_init_host_bridge(struct pci_host_bridge *bridge) * may implement its own AER handling and use _OSC to prevent the * OS from interfering. */ - bridge->native_aer = 1; - bridge->native_pcie_hotplug = 1; + bridge->native_aer = port_services; + bridge->native_pcie_hotplug = port_services; bridge->native_shpc_hotplug = 1; - bridge->native_pme = 1; + bridge->native_pme = port_services; bridge->native_ltr = 1; - bridge->native_dpc = 1; + bridge->native_dpc = port_services; bridge->domain_nr = PCI_DOMAIN_NR_NOT_SET; bridge->native_cxl_error = 1; bridge->dev.type = &pci_host_bridge_type; -- 2.43.0