Re: DAC960 in 2.5.38, with new changes

From: David Mosberger (
Date: Mon Sep 23 2002 - 16:24:12 EST

>>>>> On Mon, 23 Sep 2002 13:57:08 -0700 (PDT), "David S. Miller" <> said:

>> On many platforms, two consequetive __raw_writel()'s might even
>> combine to an atomic 64-bit store to PCI space. :-)

Yes, but that's no guarantee.

>> I don't think the proposed 32-bit behavior is off the mark, and
>> anyways x86 can actually make the 64-bit store I believe if it
>> wants at least on more recent processors.

Surely we wouldn't want to define a new API that can't be supported on
all 32-bit platforms, no? Perhaps writeq_nonatomic()?

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