From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755240Ab1KPJNP (ORCPT ); Wed, 16 Nov 2011 04:13:15 -0500 Received: from va3ehsobe004.messaging.microsoft.com ([216.32.180.14]:51251 "EHLO VA3EHSOBE004.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754355Ab1KPJNK (ORCPT ); Wed, 16 Nov 2011 04:13:10 -0500 X-SpamScore: 0 X-BigFish: VS0(zzzz1202hzzz2dh87h2a8h668h839h) X-Forefront-Antispam-Report: CIP:137.71.25.57;KIP:(null);UIP:(null);IPV:NLI;H:nwd2mta2.analog.com;RD:nwd2mail11.analog.com;EFVD:NLI X-FB-DOMAIN-IP-MATCH: fail From: Lars-Peter Clausen To: Greg Kroah-Hartman , Jean Delvare , Grant Likely CC: Jonathan Cameron , Michael Hennerich , , , , , Lars-Peter Clausen Subject: [PATCH 3/5] SPI: Add helper macro for spi_driver boilerplate Date: Wed, 16 Nov 2011 10:13:37 +0100 Message-ID: <1321434819-23678-4-git-send-email-lars@metafoo.de> X-Mailer: git-send-email 1.7.7.1 In-Reply-To: <1321434819-23678-1-git-send-email-lars@metafoo.de> References: <1321434819-23678-1-git-send-email-lars@metafoo.de> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch introduces the module_spi_driver macro which is a convenience macro for SPI driver modules similar to module_platform_driver. It is intended to be used by drivers which init/exit section does nothing but register/unregister the SPI driver. By using this macro it is possible to eliminate a few lines of boilerplate code per SPI driver. Signed-off-by: Lars-Peter Clausen --- include/linux/spi/spi.h | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index bb4f5fb..176fce9 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -200,6 +200,17 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) driver_unregister(&sdrv->driver); } +/** + * module_spi_driver() - Helper macro for registering a SPI driver + * @__spi_driver: spi_driver struct + * + * Helper macro for SPI drivers which do not do anything special in module + * init/exit. This eliminates a lot of boilerplate. Each module may only + * use this macro once, and calling it replaces module_init() and module_exit() + */ +#define module_spi_driver(__spi_driver) \ + module_driver(__spi_driver, spi_register_driver, \ + spi_unregister_driver) /** * struct spi_master - interface to SPI master controller -- 1.7.7.1