netdev - Re: [patch v2 02/11] DM9000: Fixup blackfin after removing 2 resource usage

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Date:	Mon, 23 Jun 2008 11:20:56 +0100
From:	Ben Dooks <ben-linux@...ff.org>
To:	Bryan Wu <cooloney@...nel.org>
Cc:	Ben Dooks <ben-linux@...ff.org>,
	Ben Hutchings <bhutchings@...arflare.com>,
	netdev@...r.kernel.org, jeff@...zik.org,
	Laurent Pinchart <laurentp@...-semaphore.com>
Subject: Re: [patch v2 02/11] DM9000: Fixup blackfin after removing 2 resource usage

On Mon, Jun 23, 2008 at 05:56:08PM +0800, Bryan Wu wrote:
> On Mon, Jun 23, 2008 at 5:24 PM, Ben Dooks <ben-linux@...ff.org> wrote:
> > On Sun, Jun 22, 2008 at 09:35:32PM +0100, Ben Hutchings wrote:
> >> Ben Dooks wrote:
> >> > From: Laurent Pinchart <laurentp@...-semaphore.com>
> >> >
> >> > The dm9000 driver accepts either 2 or 3 resources to describe the platform
> >> > devices. The 2 resources case abuses the ioresource mechanism by passing
> >> > ioremap()ed memory through the platform device resources. This patch removes
> >> > converts boards that were using it to the 3 resources scheme.
> >> [...]
> >>
> >> This needs to be applied before the previous patch, otherwise there's
> >> a point where these boards are broken.
> >
> > There may be a small overlap, but I'd much rather fix the abuse than
> > actually leave it in there much longer. The fixup patch has been cc'd
> > to the blackfin maintainer, so any breakage will be minimal (and will
> > also be clearly marked, it isn't as if the driver will just fail to
> > work; there is a clear error being printed and it will gracefully
> > exit).
> >
> > --
> 
> I agree with Ben Hunchings here.
> 
> Because this patch depends on previous patches in this series, could
> you please merge this patch set as a whole DM9000 series?
> If I merge this patch from Blackfin subsystem, there will be some
> breakage before other DM9000 patches are merged.
> So please merge this Blackfin fixup patch with other DM9000 patches together.
> 
> And This patch is OK for Blackfin change.

Hmm, if the patch depends on the previous one, then the three resource
case for blackfin is broken, and will remain broken after this. The changes
in arch/blackfin should be applyable before the removal of the two-resource
case from the dm9000 driver?

If you are happy with these changes to be merged via the netdev trees, then
I'm sure that applying this entire set as-is would be fine with the network
device maintainers.
 
> Acked-by: Bryan Wu <cooloney@...nel.org>
> 
> Thanks
> -Bryan

-- 
-- 
Ben

Q:      What's a light-year?
A:      One-third less calories than a regular year.

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