Re: [PARPORT] ECP mode transfers in 2.4.x kernels

From: Dave Strauss (
Date: Thu Aug 30 2001 - 10:45:51 EDT

  • Next message: Ken Hahn: "[PARPORT] A few questions."

    On Thu, 30 Aug 2001 15:43:23 +0100, Philip Blundell <> wrote:
    > >no longer does the "keep-alive" thing. It downloads a bunch of data,
    > >writes the flash, downloads a bunch of data, write the flash, and so
    > >on. It can be almost a minute between downloads in some cases.
    > Ah, I see.
    > Well, in theory these timeouts should be non-fatal. The code in
    > parport_pc goes to some trouble to make sure it knows how much data
    > was left in the FIFO when the timeout occurred, in order to make
    > sure that none is lost. But it's entirely possible that bugs are
    > lurking, for example if it's misdetecting the depth of the FIFO at
    > initialisation.
    > p.

    Yes, I had a quick look at the timeout recovery code, but didn't see
    anything obvious. :-(

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