netdev - Re: MACH_QQ2440 (and CS890x)

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Message-ID: <20111125093651.GA10636@glitch>
Date:	Fri, 25 Nov 2011 10:36:51 +0100
From:	Domenico Andreoli <cavokz@...il.com>
To:	Paul Bolle <pebolle@...cali.nl>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Russell King <linux@....linux.org.uk>,
	Sascha Hauer <s.hauer@...gutronix.de>, netdev@...r.kernel.org,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, kernel@...gutronix.de
Subject: Re: MACH_QQ2440 (and CS890x)

Hi,

On Thu, Nov 24, 2011 at 10:17:35PM +0100, Paul Bolle wrote:
> 0) Since commit 2ce8c07d63 ("CS89x0: Add networking support for QQ2440")
> the mainline kernel tree uses the Kconfig symbol MACH_QQ2440 and the
> preprocessor macro CONFIG_MACH_QQ24400.

Yes, qq2440 got stuck at the beginning of the ongoing ARM arch
overhaul. I plan to submit it again when the situation settles a bit
and it will be more DT aware. In the meanwhile I'm working on a brand
new bcm4760 DT platform.

> 1) But there's currently no Kconfig entry for MACH_QQ2440. (Neither is
> there a direct definition of the macro CONFIG_MACH_QQ2440.) But a (stub)
> entry for MACH_QQ2440 was added to ARM's mach-types in commit 773e9610a7
> and removed again in commit 6f82f4db80 (which isn't too long after
> 2ce8c07d63).
> 
> 3) Are there any plans to add a Kconfig entry for MACH_QQ2440? If not,
> should I submit the (trivial) patch to drop that Kconfig symbol and that
> preprocessor macro?

The plan for qq2440 is to use the cs890x platform driver which is being
developed by Jaccon [0], maybe in the OF variant.  I already asked him
to remove these specific and unused macros for me.

So thank you for the offer but I hope the work of Jaccon will be
merged soon.

>
> Paul Bolle

cheers,
Domenico

[0] http://patchwork.ozlabs.org/patch/118623/
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