linux-kernel - Re: [PATCH 2/4] spi: split up spi_new_device() to allow two stage registration.

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Message-Id: <200805211717.13206.david-b@pacbell.net>
Date:	Wed, 21 May 2008 17:17:13 -0700
From:	David Brownell <david-b@...bell.net>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	linuxppc-dev@...abs.org, spi-devel-general@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, fabrizio.garetto@...il.com,
	jonsmirl@...il.com
Subject: Re: [PATCH 2/4] spi: split up spi_new_device() to allow two stage registration.

On Friday 16 May 2008, Grant Likely wrote:
> 
> This patch splits the allocation and registration portions of code out
> of spi_new_device() and creates three new functions; spi_alloc_device(),
> spi_register_device(), and spi_device_release(). 

I have no problem with the first two, but why the last?

If the devices are always allocated by spi_alloc_device() as
they should be -- probably through an intermediary -- the
only public function necessary for that cleanup should be
the existing spi_dev_put().

- Dave
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