From patchwork Wed Apr 26 11:17:53 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Pieralisi X-Patchwork-Id: 9701143 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 350FB603F6 for ; Wed, 26 Apr 2017 11:17:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 316AB2807B for ; Wed, 26 Apr 2017 11:17:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 25EDE28437; Wed, 26 Apr 2017 11:17:50 +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=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 C76752807B for ; Wed, 26 Apr 2017 11:17:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1949567AbdDZLRs (ORCPT ); Wed, 26 Apr 2017 07:17:48 -0400 Received: from foss.arm.com ([217.140.101.70]:53884 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2999240AbdDZLRl (ORCPT ); Wed, 26 Apr 2017 07:17:41 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8E8B71684; Wed, 26 Apr 2017 04:17:40 -0700 (PDT) Received: from red-moon.cambridge.arm.com (red-moon.cambridge.arm.com [10.1.206.55]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9E33C3F3E1; Wed, 26 Apr 2017 04:17:36 -0700 (PDT) From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Lorenzo Pieralisi , Arnd Bergmann , Bjorn Helgaas , Will Deacon , Russell King , Pratyush Anand , Jingoo Han , Rob Herring , Simon Horman , Mingkai Hu , Tanmay Inamdar , Murali Karicheri , Bharat Kumar Gogada , Wenrui Li , Shawn Lin , Minghuan Lian , Gabriele Paoloni , Thomas Petazzoni , Joao Pinto , Thierry Reding , Michal Simek , Stanimir Varbanov , Zhou Wang , Roy Zang , Matthew Minter Subject: [RFC/RFT PATCH 02/18] PCI: Add pci_free_host_bridge interface Date: Wed, 26 Apr 2017 12:17:53 +0100 Message-Id: <20170426111809.19922-3-lorenzo.pieralisi@arm.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20170426111809.19922-1-lorenzo.pieralisi@arm.com> References: <20170426111809.19922-1-lorenzo.pieralisi@arm.com> 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 Commit a52d1443bba1 ("PCI: Export host bridge registration interface") exported the pci_alloc_host_bridge() interface so that PCI host controllers drivers can make use of it. Introduce pci_alloc_host_bridge() kernel counterpart to free the host bridge data structures, pci_free_host_bridge(), export it and update kernel functions releasing host bridge objects allocated memory to make use of it. Signed-off-by: Lorenzo Pieralisi Cc: Arnd Bergmann Cc: Bjorn Helgaas Acked-by: Arnd Bergmann --- drivers/pci/probe.c | 11 ++++++++--- include/linux/pci.h | 1 + 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index d0ddb69..7e4ffc4 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -517,9 +517,7 @@ static void pci_release_host_bridge_dev(struct device *dev) if (bridge->release_fn) bridge->release_fn(bridge); - pci_free_resource_list(&bridge->windows); - - kfree(bridge); + pci_free_host_bridge(bridge); } struct pci_host_bridge *pci_alloc_host_bridge(size_t priv) @@ -537,6 +535,13 @@ struct pci_host_bridge *pci_alloc_host_bridge(size_t priv) } EXPORT_SYMBOL(pci_alloc_host_bridge); +void pci_free_host_bridge(struct pci_host_bridge *bridge) +{ + pci_free_resource_list(&bridge->windows); + + kfree(bridge); +} +EXPORT_SYMBOL(pci_free_host_bridge); static const unsigned char pcix_bus_speed[] = { PCI_SPEED_UNKNOWN, /* 0 */ PCI_SPEED_66MHz_PCIX, /* 1 */ diff --git a/include/linux/pci.h b/include/linux/pci.h index eb3da1a..99878a9 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -450,6 +450,7 @@ static inline struct pci_host_bridge *pci_host_bridge_from_priv(void *priv) } struct pci_host_bridge *pci_alloc_host_bridge(size_t priv); +void pci_free_host_bridge(struct pci_host_bridge *bridge); int pci_register_host_bridge(struct pci_host_bridge *bridge); struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus);