[PATCH v2] ARM: fix __io macro for PCMCIA

[Joachim Eastwood]

On Thu, Apr 5, 2012 at 12:48 AM, Rob Herring <robherring2 at gmail.com> wrote:
> From: Rob Herring <rob.herring at calxeda.com>
>
> With commit c334bc1 (ARM: make mach/io.h include optional), PCMCIA was
> broken. PCMCIA depends on __io() returning a valid i/o address, and most
> ARM platforms require IO_SPACE_LIMIT be set to 0xffffffff for PCMCIA. This
> needs a better fix with a fixed i/o address mapping, but for now we just
> restore things to the previous behavior.
>
> This fixes at91, omap1, pxa and sa11xx. pxa needs io.h if PCI is enabled,
> but PCMCIA is not. sa11xx already has IO_SPACE_LIMIT set to 0xffffffff,
> so it doesn't need an io.h.
>
> Signed-off-by: Rob Herring <rob.herring at calxeda.com>
> Cc: Joachim Eastwood <joachim.eastwood at jotron.com>
> Cc: Paul Parsons <lost.distance at yahoo.com>
> Cc: Russell King <linux at arm.linux.org.uk>
> Cc: Andrew Victor <linux at maxim.org.za>
> Cc: Nicolas Ferre <nicolas.ferre at atmel.com>
> Cc: Jean-Christophe Plagniol-Villard <plagnioj at jcrosoft.com>
> Cc: Tony Lindgren <tony at atomide.com>

Works for me on AT91RM9200 using at91_cf and pata_pcmcia.

Tested-by: Joachim Eastwood <joachim.eastwood at jotron.com>


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