[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Does PCMCIA require ISA?

On Wed, 18 Jun 2003 at 1:06pm, Jeffrey L. Taylor wrote:

:Quoting Patrick Wiseman <pwiseman@mindspring.com>:
:> I've been messing around with my kernel, and compiled without ISA support,
:> since I'm on a PCI machine.  On rebooting, PCMCIA gave a ResourceIRQ
:> conflict.  When I recompiled the kernel with ISA support, PCMCIA
:> recognised my card as always.
:> It turns out my "discovery" is mentioned in the HOWTO, which says:
:> "In some cases, kernel misconfiguration can also produce an apparent
:> interrupt shortage. On later 2.4 and 2.5 kernels, if CONFIG_ISA is not
:> enabled, then the PCMCIA drivers will assume no ISA bus interrupts are
:> available."
:> Seems to me that the "misconfiguration" is in the PCMCIA drivers'
:> "assumption" that no interrupts are available, but so long as it's working
:> again.
:> Patrick
:Depends on how the bridge to PCMCIA is implemented.  On my laptop
:(no apparent ISA bus), PCMCIA is implemented with a Intel i82365
:ISA-to-PCMCIA bridge.  Check /var/log/kern.log for similar message on

CardBus here and the i82365 option is _not_ compiled into the kernel.  But
I don't really understand how these things work so maybe there's a reason
to need CONFIG_ISA.


Patrick Wiseman                               pwiseman@mindspring.com
Linux user #17943                             *Google First, Ask Later*

Reply to: