Tim Waugh (tim@cyberelk.demon.co.uk)
Sat, 4 Apr 1998 21:56:05 +0100 (BST)
On Sat, 4 Apr 1998, Philip Blundell wrote:
> The current thinking is that parport should default to polled operation
> unless you explicitly ask for irqs to be enabled. If your hardware
> supports autoprobing then you can do this with `irq=auto' (for modules)
> and `parport=0x278,auto' on the command line. If not then you have to
> give the actual IRQ number.
I'm wondering whether /proc/parport/?/hardware should give the IRQ found
from a probe, regardless of any over-ride..
Also, would we potentially have the same problem with DMA, in that an
auto-probed DMA will be used by default?
Tim.
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