From patchwork Wed Aug 26 00:25:37 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Gortmaker X-Patchwork-Id: 510693 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 8BCEF14033E for ; Wed, 26 Aug 2015 10:25:56 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755977AbbHZAZy (ORCPT ); Tue, 25 Aug 2015 20:25:54 -0400 Received: from mail1.windriver.com ([147.11.146.13]:43488 "EHLO mail1.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755622AbbHZAZy (ORCPT ); Tue, 25 Aug 2015 20:25:54 -0400 Received: from ALA-HCA.corp.ad.wrs.com (ala-hca.corp.ad.wrs.com [147.11.189.40]) by mail1.windriver.com (8.15.2/8.15.1) with ESMTPS id t7Q0PqLP024928 (version=TLSv1 cipher=AES128-SHA bits=128 verify=FAIL); Tue, 25 Aug 2015 17:25:52 -0700 (PDT) Received: from yow-lpgnfs-02.corp.ad.wrs.com (128.224.149.8) by ALA-HCA.corp.ad.wrs.com (147.11.189.40) with Microsoft SMTP Server id 14.3.235.1; Tue, 25 Aug 2015 17:25:51 -0700 From: Paul Gortmaker To: CC: Paul Gortmaker , Bjorn Helgaas , Subject: [PATCH] PCI: create builtin_pci_driver to avoid registration boilerplate Date: Tue, 25 Aug 2015 20:25:37 -0400 Message-ID: <1440548737-7465-1-git-send-email-paul.gortmaker@windriver.com> X-Mailer: git-send-email 2.5.0 MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org In commit f309d4443130bf814e991f836e919dca22df37ae ("platform_device: better support builtin boilerplate avoidance") we introduced the builtin_driver macro. Here we use that support and extend it to PCI driver registration, so where a driver is clearly non-modular and builtin-only, we can register it in a similar fashion. And existing code that is clearly non-modular can be updated with the simple mapping of module_pci_driver(...) ---> builtin_pci_driver(...) We've essentially cloned the former to make the latter, and taken out the remove/module_exit parts since those never get used in a non-modular build of the code. Cc: Bjorn Helgaas Cc: linux-pci@vger.kernel.org Signed-off-by: Paul Gortmaker --- include/linux/pci.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/linux/pci.h b/include/linux/pci.h index 88bee285b93d..8da2758e7d0e 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1187,6 +1187,17 @@ void pci_unregister_driver(struct pci_driver *dev); module_driver(__pci_driver, pci_register_driver, \ pci_unregister_driver) +/** + * builtin_pci_driver() - Helper macro for registering a PCI driver + * @__pci_driver: pci_driver struct + * + * Helper macro for PCI drivers which do not do anything special in their + * init code. This eliminates a lot of boilerplate. Each driver may only + * use this macro once, and calling it replaces device_initcall(...) + */ +#define builtin_pci_driver(__pci_driver) \ + builtin_driver(__pci_driver, pci_register_driver) + struct pci_driver *pci_dev_driver(const struct pci_dev *dev); int pci_add_dynid(struct pci_driver *drv, unsigned int vendor, unsigned int device,