netdev - [RFC] dependencies for platform drivers (was Re: ax88796: add superh to kconfig dependencies)

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Message-ID: <20071108081854.GN8181@ftp.linux.org.uk>
Date:	Thu, 8 Nov 2007 08:18:54 +0000
From:	Al Viro <viro@....linux.org.uk>
To:	Magnus Damm <magnus.damm@...il.com>
Cc:	netdev@...r.kernel.org, lethal@...ux-sh.org, ben-linux@...ff.org,
	akpm@...ux-foundation.org, jeff@...zik.org,
	linux-arch@...r.kernel.org
Subject: [RFC] dependencies for platform drivers (was Re: ax88796: add superh to kconfig dependencies)

On Thu, Nov 08, 2007 at 04:31:05PM +0900, Magnus Damm wrote:
>  config AX88796
>  	tristate "ASIX AX88796 NE2000 clone support"
> -	depends on ARM || MIPS
> +	depends on ARM || MIPS || SUPERH

You know, that really sucks more and more.  How about doing the following:
	a) making it depend on PLAT_HAS_AX88796
	b) adding selects for all subarchitectures that have the corresponding
platform device
and setting that as a uniform policy for platform drivers?  For things like
SM501 we would do
config MFD_SM501
	depends on PCI || PLAT_HAS_SM501
etc.

Seriously, folks, we are getting shitloads of platform drivers with no
dependencies whatsoever, needed on a handful of targets and occasionally
failing to build on unrelated architectures.  Moreover, having a list
of architectures in dependencies for each of those suckers is a PITA
from the conflict POV.  Not to mention platform drivers that fall into
the mainline kernel with not a single platform device for them, etc.

Comments?
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