Re: linux-2.4.12 / linux-2.4.13 parallel port problem

[Tim Waugh]

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On Wed, Oct 24, 2001 at 02:16:51PM +0100, Dave Garry wrote:

> With kernel 2.4.12 and 2.4.13 the parallel port on
> my machine looks like this according to dmesg:
>=20
> parport0: PC-style at 0x378 [PCSPP,TRISTATE]

Yes.  It's showing you what modes it is prepared to use.

> Under 2.4.10 is looks like this:
[...]
> parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE,COMPAT,ECP]

A bug; it was showing you what modes the hardware was capable of,
_despite_ knowing that it wasn't going to use it.

The parport driver will only use ECP and parallel port FIFO modes if
it has an IRQ to use.  Try 'irq=3Dauto'.

Tim.
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