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    SubjectRE: Fwd: hpet patches
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    >-----Original Message-----
    >From: Jon Smirl [mailto:jonsmirl@gmail.com]
    >Sent: Tuesday, June 14, 2005 4:11 PM
    >To: Pallipadi, Venkatesh
    >Cc: Bob Picco; Andrew Morton; lkml
    >Subject: Re: Fwd: hpet patches
    >
    >On 6/14/05, Pallipadi, Venkatesh <venkatesh.pallipadi@intel.com> wrote:
    >> OK. I was thinking PCI fixup is to late in the initialization for
    >> HPET fixup. But, we should be OK with a new ACPI_FIXUP macro. My only
    >> other concern is, we should safely fallback to PIT, when our fixed_up
    >> HPET address isn't right.
    >
    >If we're keying off from the PCI ID for the chip, how can it not have
    >the device? On the other hand, it would probably be good to always do
    >a little test on the HPET and fall back to the PIT if the HPET is
    >dead.

    HPET device itself can be there. But, it can appear in different
    addresses. Most commonly used address is 0xfed00000. But, it can be
    different as well.

    Thanks,
    Venki
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