Re: [PATCH] CONFIG_PCMCIA_PROBE fix

[Andres Salomon]

On Mon, 2003-12-22 at 04:48, Russell King wrote:
> On Mon, Dec 22, 2003 at 12:48:44AM -0500, Andres Salomon wrote:
> > Some time ago, Russell King submitted a patch to use CONFIG_PCMCIA_PROBE
> > instead of CONFIG_ISA in pcmcia probing code.  Unfortunately,
> > CONFIG_PCMCIA_PROBE still is only set if CONFIG_ISA is set.  This means
> > that if ISA isn't enabled, certain things break in 2.6; for example, my
> > pcmcia nic/modem (using pcnet_cs/serial_cs).  These worked fine in 2.4;
> > I tracked the behavior to the fact that if irq_mask is set on a pcmcia
> > socket (instead of pci_irq), and PCMCIA_PROBE isn't set,
> > pcmcia_request_irq refuses to assign an irq.  Most of the pcmcia bridges
> > appear to set an irq_mask, so the attached patch changes Kconfig to set
> > CONFIG_PCMCIA_PROBE if any of those bridges are selected.
> > 
> > Please apply this (or an alternative fix), as it fixes a 2.6 regression
> > in pcmcia functionality.
> 
> Please don't.  David Hinds has a better fix for this, which changes
> the way we handle the allocation of IRQs.  David's change is all
> round a far better way to handle the problem - if all ISA interrupts
> are used or unavailable, we fall back to using the PCI interrupt
> instead.
> 
> Please also note that there /is/ a PCMCIA list which patches should
> be forwarded to - linux-pcmcia which is at lists.infradead.org

Please put the list in the MAINTAINERS file; right now, 
linux-kernel@xxxxxxxxxxxxxxx is listed as the relevant list.

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