Re: [PARPORT] question about use of physport field

From: Tim Waugh (
Date: Fri Sep 07 2001 - 04:23:27 EDT

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    On Fri, Sep 07, 2001 at 12:02:35AM -0400, Kipp Cannon wrote:

    > For example, how should one
    > choose between using
    > port->ops->write_data
    > and using
    > port->physport->ops->write_data
    > or is it always supposed to be one of them? Thanks.

    That field is for multiplexor support, which isn't really working
    yet. The reason that physport is there is so that when you try to
    lock something related to the physical port, you use the right lock.

    So basically: if you are locking something, use physport. Otherwise
    you don't need to.


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