From patchwork Mon Nov 21 21:45:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 9440131 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0683D606DB for ; Mon, 21 Nov 2016 21:47:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EDD8728891 for ; Mon, 21 Nov 2016 21:47:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E2D94289A5; Mon, 21 Nov 2016 21:47:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8DA6028891 for ; Mon, 21 Nov 2016 21:47:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754518AbcKUVpY (ORCPT ); Mon, 21 Nov 2016 16:45:24 -0500 Received: from mail.kernel.org ([198.145.29.136]:57298 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753261AbcKUVpW (ORCPT ); Mon, 21 Nov 2016 16:45:22 -0500 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9374A2021A; Mon, 21 Nov 2016 21:45:21 +0000 (UTC) Received: from localhost (unknown [69.71.4.155]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9141A20219; Mon, 21 Nov 2016 21:45:20 +0000 (UTC) Subject: [PATCH v2 1/9] PCI/PME: Drop unused support for PMEs from Root Complex Event Collectors From: Bjorn Helgaas To: linux-pci@vger.kernel.org, "Rafael J. Wysocki" Cc: Lukas Wunner , linux-kernel@vger.kernel.org Date: Mon, 21 Nov 2016 15:45:19 -0600 Message-ID: <20161121214519.21036.33519.stgit@bhelgaas-glaptop.roam.corp.google.com> In-Reply-To: <20161121214006.21036.11599.stgit@bhelgaas-glaptop.roam.corp.google.com> References: <20161121214006.21036.11599.stgit@bhelgaas-glaptop.roam.corp.google.com> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Since we register pcie_pme_driver only for PCI_EXP_TYPE_ROOT_PORT, the PME driver never claims Root Complex Event Collectors. Remove unused code related to Root Complex Event Collectors. Signed-off-by: Bjorn Helgaas Acked-by: Rafael J. Wysocki --- drivers/pci/pcie/pme.c | 17 +---------------- 1 file changed, 1 insertion(+), 16 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c index 884bad5..9e8aa9d 100644 --- a/drivers/pci/pcie/pme.c +++ b/drivers/pci/pcie/pme.c @@ -319,23 +319,8 @@ static int pcie_pme_set_native(struct pci_dev *dev, void *ign) static void pcie_pme_mark_devices(struct pci_dev *port) { pcie_pme_set_native(port, NULL); - if (port->subordinate) { + if (port->subordinate) pci_walk_bus(port->subordinate, pcie_pme_set_native, NULL); - } else { - struct pci_bus *bus = port->bus; - struct pci_dev *dev; - - /* Check if this is a root port event collector. */ - if (pci_pcie_type(port) != PCI_EXP_TYPE_RC_EC || !bus) - return; - - down_read(&pci_bus_sem); - list_for_each_entry(dev, &bus->devices, bus_list) - if (pci_is_pcie(dev) - && pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END) - pcie_pme_set_native(dev, NULL); - up_read(&pci_bus_sem); - } } /**