From patchwork Thu Jun 8 14:13:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Pieralisi X-Patchwork-Id: 9775493 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 9DDBE60350 for ; Thu, 8 Jun 2017 14:13:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8ED5020855 for ; Thu, 8 Jun 2017 14:13:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 838B62855A; Thu, 8 Jun 2017 14:13:11 +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 21A8420855 for ; Thu, 8 Jun 2017 14:13:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751716AbdFHOM5 (ORCPT ); Thu, 8 Jun 2017 10:12:57 -0400 Received: from foss.arm.com ([217.140.101.70]:49962 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751507AbdFHOM4 (ORCPT ); Thu, 8 Jun 2017 10:12:56 -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 BA1DA2B; Thu, 8 Jun 2017 07:12:55 -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 602943F3E1; Thu, 8 Jun 2017 07:12:51 -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 , Linus Walleij Subject: [RFT PATCH v2 05/42] PCI: Add pci_free_host_bridge interface Date: Thu, 8 Jun 2017 15:13:05 +0100 Message-Id: <20170608141342.2018-6-lorenzo.pieralisi@arm.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20170608141342.2018-1-lorenzo.pieralisi@arm.com> References: <20170608141342.2018-1-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 --- drivers/pci/probe.c | 12 +++++++++--- include/linux/pci.h | 1 + 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 586d83d..cbf0d0c 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 +535,14 @@ 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 8039f9f..5720635 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -463,6 +463,7 @@ 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);