Messages in this thread | | | Date | Tue, 1 Jun 2004 10:21:22 -0400 | From | Jeff Garzik <> | Subject | Re: Problem with ioremap which returns NULL in 2.6 kernel |
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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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