From patchwork Wed Mar 7 06:13:29 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 10263457 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 9D8A660211 for ; Wed, 7 Mar 2018 06:15:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B07F292B2 for ; Wed, 7 Mar 2018 06:15:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 80014292C1; Wed, 7 Mar 2018 06:15:41 +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,RCVD_IN_DNSWL_HI autolearn=unavailable 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 35190292B2 for ; Wed, 7 Mar 2018 06:15:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750959AbeCGGNd (ORCPT ); Wed, 7 Mar 2018 01:13:33 -0500 Received: from mail.kernel.org ([198.145.29.99]:42386 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750803AbeCGGNa (ORCPT ); Wed, 7 Mar 2018 01:13:30 -0500 Received: from localhost (unknown [50.35.13.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A321421770; Wed, 7 Mar 2018 06:13:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A321421770 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=helgaas@kernel.org Subject: [PATCH v1 1/9] PCI/PM: Move pcie_clear_root_pme_status() to core From: Bjorn Helgaas To: linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org, "Rafael J. Wysocki" , linux-pm@vger.kernel.org, Keith Busch , Sinan Kaya , Lukas Wunner Date: Wed, 07 Mar 2018 00:13:29 -0600 Message-ID: <152040320934.240786.9241781859071768363.stgit@bhelgaas-glaptop.roam.corp.google.com> In-Reply-To: <152040297576.240786.1532465558381209070.stgit@bhelgaas-glaptop.roam.corp.google.com> References: <152040297576.240786.1532465558381209070.stgit@bhelgaas-glaptop.roam.corp.google.com> User-Agent: StGit/0.18 MIME-Version: 1.0 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 From: Bjorn Helgaas Move pcie_clear_root_pme_status() from the port driver to the PCI core so it will be available even when the port driver isn't present. No functional change intended. Signed-off-by: Bjorn Helgaas Reviewed-by: Rafael J. Wysocki --- drivers/pci/pci.c | 9 +++++++++ drivers/pci/pci.h | 1 + drivers/pci/pcie/portdrv.h | 2 -- drivers/pci/pcie/portdrv_pci.c | 9 --------- 4 files changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index f6a4dd10d9b0..120e3393fc35 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1683,6 +1683,15 @@ int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state) } EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state); +/** + * pcie_clear_root_pme_status - Clear root port PME interrupt status. + * @dev: PCIe root port or event collector. + */ +void pcie_clear_root_pme_status(struct pci_dev *dev) +{ + pcie_capability_set_dword(dev, PCI_EXP_RTSTA, PCI_EXP_RTSTA_PME); +} + /** * pci_check_pme_status - Check if given device has generated PME. * @dev: Device to check. diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index fcd81911b127..813ca2c895d8 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -71,6 +71,7 @@ void pci_update_current_state(struct pci_dev *dev, pci_power_t state); void pci_power_up(struct pci_dev *dev); void pci_disable_enabled_device(struct pci_dev *dev); int pci_finish_runtime_suspend(struct pci_dev *dev); +void pcie_clear_root_pme_status(struct pci_dev *dev); int __pci_pme_wakeup(struct pci_dev *dev, void *ign); void pci_pme_restore(struct pci_dev *dev); bool pci_dev_keep_suspended(struct pci_dev *dev); diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h index a854bc569117..a4fc44d52206 100644 --- a/drivers/pci/pcie/portdrv.h +++ b/drivers/pci/pcie/portdrv.h @@ -34,8 +34,6 @@ void pcie_port_bus_unregister(void); struct pci_dev; -void pcie_clear_root_pme_status(struct pci_dev *dev); - #ifdef CONFIG_HOTPLUG_PCI_PCIE extern bool pciehp_msi_disabled; diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index fb1c1bb87316..4413dd85e923 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -50,15 +50,6 @@ __setup("pcie_ports=", pcie_port_setup); /* global data */ -/** - * pcie_clear_root_pme_status - Clear root port PME interrupt status. - * @dev: PCIe root port or event collector. - */ -void pcie_clear_root_pme_status(struct pci_dev *dev) -{ - pcie_capability_set_dword(dev, PCI_EXP_RTSTA, PCI_EXP_RTSTA_PME); -} - static int pcie_portdrv_restore_config(struct pci_dev *dev) { int retval;