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

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Date:	Thu, 17 Nov 2011 11:49:13 -0800
From:	Greg KH <greg@...ah.com>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	Greg KH <gregkh@...e.de>, Jean Delvare <khali@...ux-fr.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	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 10:13:31AM -0700, Grant Likely wrote:
> On Wed, Nov 16, 2011 at 9:37 AM, Greg KH <gregkh@...e.de> wrote:
> > On Wed, Nov 16, 2011 at 05:36:18PM +0100, Jean Delvare wrote:
> >> On Wed, 16 Nov 2011 08:02:06 -0800, Greg KH wrote:
> >> > 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.
> >>
> >> No objection from me (for i2c).
> >
> > Wonderful, thanks for letting me know.
> 
> Yes, please take the spi patch too.

Ok, will go queue these up, thanks.

greg k-h
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