From patchwork Mon Oct 26 18:56:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuppuswamy Sathyanarayanan X-Patchwork-Id: 11858423 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E755C697 for ; Mon, 26 Oct 2020 18:58:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CFB5521D42 for ; Mon, 26 Oct 2020 18:58:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1791075AbgJZS6V (ORCPT ); Mon, 26 Oct 2020 14:58:21 -0400 Received: from mga03.intel.com ([134.134.136.65]:52496 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1791041AbgJZS6J (ORCPT ); Mon, 26 Oct 2020 14:58:09 -0400 IronPort-SDR: ru2kJ1aa+mRV1WY1dAelTvO7s4i17NWbFGGoyLFxNxD34uygZUGv1CGjrCWW7XQGxDJV21S6t0 pvL9EDUVT6vQ== X-IronPort-AV: E=McAfee;i="6000,8403,9786"; a="168073149" X-IronPort-AV: E=Sophos;i="5.77,420,1596524400"; d="scan'208";a="168073149" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Oct 2020 11:58:08 -0700 IronPort-SDR: Acbb3fIgz6rL4CWP99tZwAz5kbTGjHDEKAmk1n8eMXwf6YylnYViBQrJC98lFMKh/Bs8jrxbIh SN5Y96ofpr1w== X-IronPort-AV: E=Sophos;i="5.77,420,1596524400"; d="scan'208";a="525607466" Received: from dhrubajy-mobl.amr.corp.intel.com (HELO skuppusw-mobl5.amr.corp.intel.com) ([10.254.101.53]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Oct 2020 11:58:07 -0700 From: Kuppuswamy Sathyanarayanan To: bhelgaas@google.com Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, ashok.raj@intel.com, sathyanarayanan.kuppuswamy@linux.intel.com, knsathya@kernel.org Subject: [PATCH v10 5/5] PCI/DPC: Move AER/DPC dependency checks out of DPC driver Date: Mon, 26 Oct 2020 11:56:43 -0700 Message-Id: <3cb6923f879b64a80df3670facdee327bcc39a4c.1603738449.git.sathyanarayanan.kuppuswamy@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Currently, AER and DPC Capabilities dependency checks is distributed between DPC and portdrv service drivers. So move them out of DPC driver. Also, since services & PCIE_PORT_SERVICE_AER check already ensures AER native ownership, no need to add additional pcie_aer_is_native() check. Signed-off-by: Kuppuswamy Sathyanarayanan --- drivers/pci/pcie/dpc.c | 4 ---- drivers/pci/pcie/portdrv_core.c | 1 + 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c index 21f77420632b..a8b922044447 100644 --- a/drivers/pci/pcie/dpc.c +++ b/drivers/pci/pcie/dpc.c @@ -283,14 +283,10 @@ void pci_dpc_init(struct pci_dev *pdev) static int dpc_probe(struct pcie_device *dev) { struct pci_dev *pdev = dev->port; - struct pci_host_bridge *host = pci_find_host_bridge(pdev->bus); struct device *device = &dev->device; int status; u16 ctl, cap; - if (!pcie_aer_is_native(pdev) && !host->native_dpc) - return -ENOTSUPP; - status = devm_request_threaded_irq(device, dev->irq, dpc_irq, dpc_handler, IRQF_SHARED, "pcie-dpc", pdev); diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index e257a2ca3595..ffa1d9fc458e 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -252,6 +252,7 @@ static int get_port_device_capability(struct pci_dev *dev) * permission to use AER. */ if (pci_find_ext_capability(dev, PCI_EXT_CAP_ID_DPC) && + host->native_dpc && (host->native_dpc || (services & PCIE_PORT_SERVICE_AER))) services |= PCIE_PORT_SERVICE_DPC;