hpsa driver updates

The following series implements hpsa scsi driver for HP Smart Arrays, and some updates since the last time.
The first 5 patches in the series are already in Andrew Morton's tree.

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Andrew Morton (1):
avoid helpful cleanup patches.

Stephen M. Cameron (16):
hpsa: fix typo that causes scsi status to be lost
hpsa: Make fill_cmd() return void
hpsa: Remove sendcmd, in no case are we required to poll for completions.
hpsa: Flush cache with interrupts still enabled.
hpsa: Retry driver initiated commands on unit attention
hpsa: decode unit attention condition and retry commands.
hpsa: Make hpsa_sdev_attrs static
hpsa: Allow device rescan to be triggered via sysfs.
Add thread to allow controllers to register for rescan for new devices
hpsa: Factor out some pci_unmap code
hpsa: Factor out command submission sequence
hpsa: Use shost_priv instead of accessing host->hostdata[0] directly.
hpsa: Allocate the correct amount of extra space for the scsi host Fix use of unallocated memory for MSA2xxx enclosure device data.
hpsa: Fix vendor id check
Add hpsa driver for HP Smart Array controllers.

 drivers/scsi/Kconfig    |   10 
 drivers/scsi/Makefile   |    1 
 drivers/scsi/hpsa.c     | 3531 +++++++++++++++++++++++++++++++++++++++++++++++
 drivers/scsi/hpsa.h     |  273 ++++
 drivers/scsi/hpsa_cmd.h |  326 ++++
 5 files changed, 4141 insertions(+), 0 deletions(-)
 create mode 100644 drivers/scsi/hpsa.c
 create mode 100644 drivers/scsi/hpsa.h
 create mode 100644 drivers/scsi/hpsa_cmd.h

-- steve