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

From: Tim Waugh (twaugh@redhat.com)
Date: Thu Aug 16 2001 - 17:26:26 EDT

  • Next message: Tim Waugh: "Re: [PARPORT] ECP mode transfers in 2.4.x kernels"

    On Thu, Aug 16, 2001 at 06:24:48PM +0100, Philip Blundell wrote:

    > I guess maybe switching back to compatibility mode on close might be
    > the right thing to do. Flipping into and out of ECP mode on every
    > write seems like a bit too much of an overhead. Other drivers
    > wanting to change the mode of the port shouldn't cause a problem, I
    > don't think: they can negotiate to whatever mode they want, and
    > parport_write will reselect its favourite next time it's called.

    No, this isn't true. The rule is that you have to go back to
    compatibility mode before releasing the device.

    Tim.
    */



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