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Re: [RFC] Support 36-bit iomem on 32-bit Au1x00

To: Ralf Baechle <>
Subject: Re: [RFC] Support 36-bit iomem on 32-bit Au1x00
From: Manuel Lauss <>
Date: Thu, 28 Jan 2010 14:22:55 +0100
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In-reply-to: <>
References: <hhq35v$m1q$> <> <> <>
On Thu, Jan 28, 2010 at 2:18 PM, Ralf Baechle <> wrote:
> On Tue, Jan 26, 2010 at 10:19:22PM +0100, wrote:
> The whole fixing up of I/O addresses was necessary because the generic
> code was written to assume that sizeof(unsigned long) == sizeof(void *)
> and that mostly because it was handy for Linus' i386 world.
> Today I think it would be preferable to get rid of the the fixups, pay the
> small price for the larger resources and get sanity in exchange.  My gut
> feeling is that the bloat factor should be small.  Either way, I'll let
> you two sort this out for Alchemy and mark this patch as defered.

I'm fine with it as-is; it doesn't break anything.  I was experimenting with
extending the PCMCIA socket code to pass on 36bit addresses and got
bitten by the driver core.


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