From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lars-Peter Clausen Subject: [PATCH 2/5] I2C: Add helper macro for i2c_driver boilerplate Date: Wed, 16 Nov 2011 10:13:36 +0100 Message-ID: <1321434819-23678-3-git-send-email-lars@metafoo.de> References: <1321434819-23678-1-git-send-email-lars@metafoo.de> Mime-Version: 1.0 Content-Type: text/plain Cc: Jonathan Cameron , Michael Hennerich , , , , , Lars-Peter Clausen To: Greg Kroah-Hartman , Jean Delvare , Grant Likely Return-path: In-Reply-To: <1321434819-23678-1-git-send-email-lars@metafoo.de> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org This patch introduces the module_i2c_driver macro which is a convenience macro for I2C 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 I2C driver. By using this macro it is possible to eliminate a few lines of boilerplate code per I2C driver. Signed-off-by: Lars-Peter Clausen --- include/linux/i2c.h | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index a81bf6d..7e92854 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -485,6 +485,19 @@ static inline int i2c_adapter_id(struct i2c_adapter *adap) { return adap->nr; } + +/** + * module_i2c_driver() - Helper macro for registering a I2C driver + * @__i2c_driver: i2c_driver struct + * + * Helper macro for I2C 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_i2c_driver(__i2c_driver) \ + module_driver(__i2c_driver, i2c_add_driver, \ + i2c_del_driver) + #endif /* I2C */ #endif /* __KERNEL__ */ -- 1.7.7.1