netdev - Re: [net] stmmac: fix driver Kconfig when built as module

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Date:	Wed, 23 May 2012 14:01:39 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	peppe.cavallaro@...com
Cc:	netdev@...r.kernel.org, bhutchings@...arflare.com,
	lliubbo@...il.com, rayagond@...avyalabs.com
Subject: Re: [net] stmmac: fix driver Kconfig when built as module

From: Giuseppe CAVALLARO <peppe.cavallaro@...com>
Date: Wed, 23 May 2012 08:05:42 +0200

> This patches fixes the driver when built as dyn module.
> In fact the platform part cannot be built and the probe fails
> (thanks to Bob Liu that reported this bug).
> The patch also makes the selection of Platform and PCI parts
> mutually exclusive.
> 
> Reported-by: Bob Liu <lliubbo@...il.com>
> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@...com>
> Reviewed-by: Ben Hutchings <bhutchings@...arflare.com>

We have drivers which support both OF (which is implemented as
platform bus) and PCI at the same time.  For example,
drivers/net/ethernet/sun/niu.c

I do not see why stmmac cannot support both at the same time as well.

I absolutely do not want such segregation unless it is absolutely
necessary.  Because it means that no matter what is choosen, a piece
of code is disabled and therefore not getting build and/or runtime
validation.
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