From: Christoph Hellwig <hch@infradead.org>
To: Olof Johansson <olof@lixom.net>
Cc: akpm@osdl.org, linuxppc-dev@ozlabs.org,
linux-pcmcia@lists.infradead.org, paulus@samba.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] pcmcia: ppc64 needs 32-bit ioaddr_t
Date: Mon, 25 Jun 2007 06:53:04 +0100 [thread overview]
Message-ID: <20070625055304.GA1057@infradead.org> (raw)
In-Reply-To: <20070625005439.GA31289@lixom.net>
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.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Olof Johansson <olof@lixom.net>
Cc: linux-kernel@vger.kernel.org, linux-pcmcia@lists.infradead.org,
akpm@osdl.org, linuxppc-dev@ozlabs.org, paulus@samba.org
Subject: Re: [PATCH] pcmcia: ppc64 needs 32-bit ioaddr_t
Date: Mon, 25 Jun 2007 06:53:04 +0100 [thread overview]
Message-ID: <20070625055304.GA1057@infradead.org> (raw)
In-Reply-To: <20070625005439.GA31289@lixom.net>
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.
next prev parent reply other threads:[~2007-06-25 5:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-25 0:54 [PATCH] pcmcia: ppc64 needs 32-bit ioaddr_t Olof Johansson
2007-06-25 0:54 ` Olof Johansson
2007-06-25 1:35 ` Arnd Bergmann
2007-06-25 1:35 ` Arnd Bergmann
2007-06-25 2:42 ` Olof Johansson
2007-06-25 2:42 ` Olof Johansson
2007-06-25 5:53 ` Christoph Hellwig [this message]
2007-06-25 5:53 ` Christoph Hellwig
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