From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E17DEC282DC for ; Wed, 17 Apr 2019 08:24:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B2306204FD for ; Wed, 17 Apr 2019 08:24:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731287AbfDQIYF (ORCPT ); Wed, 17 Apr 2019 04:24:05 -0400 Received: from mx2.suse.de ([195.135.220.15]:37934 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726895AbfDQIYF (ORCPT ); Wed, 17 Apr 2019 04:24:05 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id BD87BAFED; Wed, 17 Apr 2019 08:24:03 +0000 (UTC) From: Johannes Thumshirn To: Bjorn Helgaas Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Johannes Thumshirn Subject: [PATCH] PCI: Remove pci_request_region_exclusive() Date: Wed, 17 Apr 2019 10:23:56 +0200 Message-Id: <20190417082356.7054-1-jthumshirn@suse.de> X-Mailer: git-send-email 2.16.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org pci_request_region_exclusive() was introduced with commit e8de1481fd71 ("resource: allow MMIO exclusivity for device drivers") in 2.6.29 which was released 2008. It never had an in tree user since then, so after 11 years later let's remove it. Signed-off-by: Johannes Thumshirn --- drivers/pci/pci.c | 25 ------------------------- include/linux/pci.h | 1 - 2 files changed, 26 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 7c1b362f599a..d185b49e105a 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -3706,31 +3706,6 @@ int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name) } EXPORT_SYMBOL(pci_request_region); -/** - * pci_request_region_exclusive - Reserved PCI I/O and memory resource - * @pdev: PCI device whose resources are to be reserved - * @bar: BAR to be reserved - * @res_name: Name to be associated with resource. - * - * Mark the PCI region associated with PCI device @pdev BR @bar as - * being reserved by owner @res_name. Do not access any - * address inside the PCI regions unless this call returns - * successfully. - * - * Returns 0 on success, or %EBUSY on error. A warning - * message is also printed on failure. - * - * The key difference that _exclusive makes it that userspace is - * explicitly not allowed to map the resource via /dev/mem or - * sysfs. - */ -int pci_request_region_exclusive(struct pci_dev *pdev, int bar, - const char *res_name) -{ - return __pci_request_region(pdev, bar, res_name, IORESOURCE_EXCLUSIVE); -} -EXPORT_SYMBOL(pci_request_region_exclusive); - /** * pci_release_selected_regions - Release selected PCI I/O and memory resources * @pdev: PCI device whose resources were previously reserved diff --git a/include/linux/pci.h b/include/linux/pci.h index 77448215ef5b..5f32275358cf 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1233,7 +1233,6 @@ int __must_check pci_request_regions(struct pci_dev *, const char *); int __must_check pci_request_regions_exclusive(struct pci_dev *, const char *); void pci_release_regions(struct pci_dev *); int __must_check pci_request_region(struct pci_dev *, int, const char *); -int __must_check pci_request_region_exclusive(struct pci_dev *, int, const char *); void pci_release_region(struct pci_dev *, int); int pci_request_selected_regions(struct pci_dev *, int, const char *); int pci_request_selected_regions_exclusive(struct pci_dev *, int, const char *); -- 2.16.4