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    SubjectRe: [PATCH] Update MCP55 quirk to not affect non HyperTransport variants
    On Wed,  8 Dec 2010 09:47:48 -0500
    Neil Horman <> wrote:

    > I wrote this quirk awhile ago to properly setup MCP55 chips on hypertransport
    > busses so that interrupts reached whatever cpu happend to boot the kdump kernel.
    > while that works well, it was recently shown to me that a a non-hypertransport
    > variant of the MCP55 exists, and on those system the register that this quirk
    > manipulates causes hangs if you write to it. Since the quirk was only meant to
    > handle errors found on MCP55 chips that have a HT interface, this patch adds a
    > filter to make sure the chip is an HT capable before making the needed register
    > adjustment. This lets the broken MCP55s work with kdump while not breaking the
    > non-HT variants.
    > Resolves
    > Tested successfully by the reporter and myself.

    Applied to my for-linus branch, thanks.

    Jesse Barnes, Intel Open Source Technology Center

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