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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Jimi Xenidis <jimix@pobox.com>
Cc: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: RFC: book3e: DCR MMIO for IBM Blue Gene/Q
Date: Tue, 06 Nov 2012 22:48:51 +1100	[thread overview]
Message-ID: <1352202531.2566.40.camel@pasglop> (raw)
In-Reply-To: <749146C7-B9A8-4001-9580-3B87A041A580@pobox.com>

On Mon, 2012-11-05 at 09:25 -0600, Jimi Xenidis wrote:
> So Axon, being 64-bit, would break with the changes proposed, since it
> is 64-bit bit and assumes 32bit accessors.
> I'll simply add 64bit accessors for now.

Well, either that, or you add a "64-bit" property to the DCR controller
node. IE. you keep the API "unsigned long" but whether it uses 32 or
64-bit accessors depends on that property.

Cheers,
Ben.

      reply	other threads:[~2012-11-06 11:48 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-04 16:32 RFC: book3e: DCR MMIO for IBM Blue Gene/Q Jimi Xenidis
2012-11-04 23:51 ` Benjamin Herrenschmidt
2012-11-05  3:23   ` Jimi Xenidis
2012-11-05 15:25     ` Jimi Xenidis
2012-11-06 11:48       ` Benjamin Herrenschmidt [this message]

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