linux-kernel - Re: [PATCH 0/5] Generalize module_platform

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Date:	Wed, 16 Nov 2011 08:02:06 -0800
From:	Greg KH <gregkh@...e.de>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	Jean Delvare <khali@...ux-fr.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Jonathan Cameron <jic23@...nel.org>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-i2c@...r.kernel.org, spi-devel-general@...ts.sourceforge.net
Subject: Re: [PATCH 0/5] Generalize module_platform_driver

On Wed, Nov 16, 2011 at 10:13:34AM +0100, Lars-Peter Clausen wrote:
> Grant Likely recently introduced the module_platform_driver macro which can be
> used to eliminate a few lines on boilerplate code in platform driver modules.
> The same approach can be used to do the same for other bus type drivers.
> 
> The first patch of this series generalizes the module_platform_driver macro and
> introduces the module_driver macro. It is similar to module_platform_driver
> macro but has two additional parameters to pass in the driver register and
> unregister function. The intend is that this macro is used to construct bus
> specific macros for generating the driver register/unregister boilerplate code.
> 
> The next two patches in this series add the module_i2c_driver and
> module_spi_driver macro which use the module_driver macro to generate the I2C
> and SPI driver boilerplate code.
> 
> The last two patches convert the driver found in the IIO framework to use the
> new module_i2c_driver and module_spi_driver macros to demonstrate their
> potential and remove over 700 lines of code.
> 
> While this series only introduces these kind of helper macros for I2C and SPI
> bus drivers the same scheme should be applicable to most other bus driver types.
> For example PCI and USB seem to be good candidates.
> 
> It probably makes sense to merge the first three patches together. The last two
> can probably, since this is not urgent, wait until the first three have reached
> mainline.

Nice, I like this, unless people object, I'll merge the first patch to
the driver-core tree.

I'll gladly take the i2c and spi patches as well if the subsystem
maintainers there don't object, and I'll work on the USB patch as well.

thanks,

greg k-h
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