pasemi_mac: Patches for 2.6.24

Hi,

This series of patches go on top of the previous fixes that were sent out and picked up.

It's a series of mostly feature-related changes, but also a couple of bugfixes:

[1/11] pasemi_mac: basic error checking
[2/11] pasemi_mac: fix bug in receive buffer dma mapping [3/11] pasemi_mac: rework ring management
[4/11] pasemi_mac: implement sg support
[5/11] pasemi_mac: workaround for erratum 5971 [6/11] pasemi_mac: add local skb alignment
[7/11] pasemi_mac: further performance tweaks [8/11] pasemi_mac: update todo list
[9/11] pasemi_mac: clear out old errors on interface open [10/11] pasemi_mac: use buffer index pointer in clean_rx() [11/11] pasemi_mac: enable iommu support

Thanks,

-Olof