[PATCHES] 11-pcmciaresource

Dominik Brodowski linux at dominikbrodowski.de
Fri Mar 26 10:15:50 GMT 2004

On Fri, Mar 26, 2004 at 07:49:01AM +0000, Russell King wrote:
> On Thu, Mar 25, 2004 at 08:23:36PM -0500, Pavel Roskin wrote:
> > Is my understanding correct that PCMCIA drivers will use resources already
> > allocated for the bridges (with the exceptions for pcnet_cs and
> > serial_cs)?  That would be great.
> No.  Not yet at least.

Once the ioresource_t length is resolved, and the handle argument of

int pcmcia_adjust_resource_info(client_handle_t handle, adjust_t *adj)

is removed, we can try out a couple of things to adjust the resources the
PCMCIA subsystem offers to its "clients", e.g. PCMCIA card drivers. Of
course these are only valid for non-static sockets:

a) use the iomem and ioports reserved for CardBus cards,

b) use the iomem and ioport "behind" the parent PCI bridge, if such a bridge

c) parse the ACPI tables for all _CRS or similar settings, and include all
   resources except those mentioned in the ACPI tables [x86, x86_64 only?]

d) same as c), but with PnP settings [x86, x86_64 only?]

e) trust /proc/io{mem,ports}

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