[PATCH] remove io_page_mask

[Anton Blanchard]

> I found an issue with the io_page_mask code when pci_probe_only is not
> set (we dont initialise io_page_mask and bad things happen). I was 
> about to fix it up when I wondered if we can remove it now.
> 
> Ben changed the serial code to check before it goes pounding on
> addresses. Im not sure if there were other issues with badly behaving
> drivers but my js20 boots here with the following removal patch.

First fallout:

parport_pc_probe_port+0x318/0xbd0
parport_pc_init+0x418/0x520
sys_init_module+0x1bc/0x4b0

The parallel port code is going out and touching stuff it shouldnt.

Anton