netdev - Re: [PATCH] net: smc91x: use run-time configuration on all ARM machines

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Date:	Sat, 28 Feb 2015 17:50:46 +0100
From:	Robert Jarzmik <robert.jarzmik@...e.fr>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	Linus Walleij <linus.walleij@...aro.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] net: smc91x: use run-time configuration on all ARM machines

Arnd Bergmann <arnd@...db.de> writes:

> The smc91x driver traditionally gets configured at compile-time
> for whichever hardware it runs on. This no longer works on
> ARM as we continue to move to building all-in-one kernels.
>
> Most ARM configurations with this driver already use run-time
> configuration through DT or through platform_data, but a
> few have not been converted yet.
>
> I've checked all ARM boards that use this driver in their
> legacy board files, and converted the ones that were using
> compile-time configuration in smc91x.h to behave like the
> other ones and provide the interrupt polarity along with
> the MMIO configuration (width, stride) at platform device
> creation time.
>
> In particular, these combinations were previously selectable
> in Kconfig but in fact broken:
>
> - sa1100 assabet plus pleb
> - msm combined with any other armv6/v7 platform
> - pxa-idp combined with any non-DMA pxa variant
> - LogicPD PXA270 combined with any other pxa
> - nomadik combined with any other armv4/v5 platform,
>   e.g. versatile.
>
> None of these seem critical enough to warrant a backport
> to stable, but it would be nice to clean this up for good.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ----
> I would like the patch to get merged through netdev, after
> Robert and/or Linus have verified it on at least some hardware.
For lubbock (smcs 91c96) and zylonite (smcs 91c111) :
Tested-by: Robert Jarzmik <robert.jarzmik@...e.fr>

Cheers.

--
Robert

PS: My mainstone is a bit uncooperative right now, I'll have to convince her to
boot in the near future ...
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