linux-kernel - Re: [PATCH] pcmcia: ppc64 needs 32-bit ioaddr

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Message-ID: <20070625055304.GA1057@infradead.org>
Date:	Mon, 25 Jun 2007 06:53:04 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Olof Johansson <olof@...om.net>
Cc:	linux-kernel@...r.kernel.org, linux-pcmcia@...ts.infradead.org,
	akpm@...l.org, linuxppc-dev@...abs.org, paulus@...ba.org
Subject: Re: [PATCH] pcmcia: ppc64 needs 32-bit ioaddr_t

On Sun, Jun 24, 2007 at 07:54:39PM -0500, Olof Johansson wrote:
> ppc64 really needs ioaddr_t to be 32-bit, since I/O addresses really are
> MMIO addresses, and remapped at an offset that's well above 16 bits in
> some cases.
> 
> While the type is exported to userspace, there hasn't been any platforms
> with PCMCIA on 64-bit powerpc until now, so changing it won't regress
> any existing users.

Drivers should be using kio_addr_t, please fix up the remaining drivers
to do this instead of chaning the user-visible type.

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