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    SubjectRe: 2.6.15-rc1: IDE: fix potential data corruption with SL82C105 interfaces
    On Mon, May 15, 2006 at 08:05:54PM +0400, Sergei Shtylyov wrote:
    > >The caching is one bug, the
    > >fact the reset hits both channels is the other I know about.
    > Ah, that register 0x7E reset? Strangely, W83C55[34]F datasheets don't
    > even mention it. :-/

    They don't - it's an undocumented register as far as the data sheets go,
    but if you're lucky enough to have the chip errata, you'll be told to
    use it explicitly to work around bugs.

    Russell King
    Linux kernel 2.6 ARM Linux -
    maintainer of: 2.6 Serial core
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