Converting 2.6 drivers to 2.4

Hi,

I need a driver for the ibm emac cicada 8201 chip for the 2.4 kernel, I have
found a 2.6 kernel driver by Matt Porter, however this has a #include
<linux/dma-mapping.h>, which is not in the 2.4 kernel. Is there anywhere I
can find out what the equivelant header file is in the 2.4 kernel?


Cheers

Daren

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