Tim Waugh (tim@cyberelk.demon.co.uk)
Wed, 3 Mar 1999 16:11:59 +0000 (GMT)
Hi guys,
At the moment, parport_write_control on the PC can enable/disable
interrupts from the port, and also control the direction of the data
lines.
We already have enable_irq/disable_irq in the interface, and I'd like to
add set_direction(int), where the argument is zero for forward. Also, I'd
like to enforce that parport_write_control only affects control lines, and
doesn't have side effects any more. I would then try to banish
PARPORT_CONTROL_INTEN and PARPORT_CONTROL_DIRECTION.
Do people think this is a good idea, or should parport_write_control act
like writing the control register on a PC architecture, and other
architectures have to emulate?
Let me know what you think. This would be happening in 2.3 of course, not
2.2.
Tim.
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This archive was generated by hypermail 2.0b3 on Wed 03 Mar 1999 - 11:26:22 EST