SCSI Bug Fixes for 2.6.12-rc4

This represents the accumulated set of fixes that solve the aic7xxx problems that have been cropping up recently.

The patch is available from

rsync://www.parisc-linux.org/~jejb/git/scsi-for-linus-2.6.git

The short changelog is

Christoph Hellwig:
o aic7xxx: remove usage of obsolete typedefs
o remove dma_mask hacks
o aic7xxx: remove Linux 2.4 ifdefs
o aic7xxx: remove some DV leftovers

James Bottomley:
o aic7xxx: fix U160 mode
o aic7xxx: add back locking
o aic7xxx: make correct use of slave_alloc/destroy and remove the per device timer
o aic7xxx: remove the completeq
o aic7xxx: remove the last vestiges of the runq
o remove aic7xxx busyq
o correct aic7xxx period setting routines
o implement parameter limits in the SPI transport class

And the diffstat:

 drivers/scsi/aic7xxx/aic7770_osm.c     |   52 -
 drivers/scsi/aic7xxx/aic7xxx_osm.c     | 1402 +++++++--------------------------
 drivers/scsi/aic7xxx/aic7xxx_osm.h     |  169 ---
 drivers/scsi/aic7xxx/aic7xxx_osm_pci.c |   11 
 drivers/scsi/aic7xxx/aic7xxx_proc.c    |   13 
 drivers/scsi/aic7xxx/aiclib.c          |    1 
 drivers/scsi/scsi_transport_spi.c      |  188 +++-
 include/scsi/scsi_transport_spi.h      |    6 
 8 files changed, 531 insertions(+), 1311 deletions(-)

James