This enables support for FullMAC PCI/Cardbus prism54 devices. This
driver is now deprecated in favor for the SoftMAC driver, p54pci.
p54pci supports FullMAC PCI/Cardbus devices as well.

For more information refer to the p54 wiki:

http://wireless.kernel.org/en/users/Drivers/p54

Note: You need a motherboard with DMA support to use any of these cards

When built as module you get the module prism54