Re: Problem with ioremap which returns NULL in 2.6 kernel

[Jeff Garzik]

On Tue, Jun 01, 2004 at 02:37:30PM +0200, Markus Lidel wrote:
> Hello,
> 
> could someone help me with a ioremap problem. If there are two 
> controllers plugged in, the ioremap request for the first controller is 
> successfull, but the second returns NULL. Here is the output of the driver:
> 
> i2o: Checking for PCI I2O controllers...
> i2o: I2O controller on bus 0 at 72.
> i2o: PCI I2O controller at 0xD0000000 size=134217728
> I2O: MTRR workaround for Intel i960 processor
> i2o/iop0: Installed at IRQ17
> i2o: I2O controller on bus 0 at 96.
> i2o: PCI I2O controller at 0xD8000000 size=134217728
> i2o: Unable to map controller.

If "size=xxxx" indicates the size you are remapping, then that's
probably too large an area to be remapping.  Try remapping only the
memory area needed, and not the entire area.

	Jeff



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