litmus-rt.git/drivers/scsi/arcmsr, branch master

scsi: drop reason argument from ->change_queue_depth

2014-11-24T13:45:27+00:00

Drop the now unused reason argument from the ->change_queue_depth method.
Also add a return value to scsi_adjust_queue_depth, and rename it to
scsi_change_queue_depth now that it can be used as the default
->change_queue_depth implementation.

Signed-off-by: Christoph Hellwig 
Reviewed-by: Mike Christie 
Reviewed-by: Hannes Reinecke

scsi: don't set tagging state from scsi_adjust_queue_depth

2014-11-12T10:19:43+00:00

Remove the tagged argument from scsi_adjust_queue_depth, and just let it
handle the queue depth.  For most drivers those two are fairly separate,
given that most modern drivers don't care about the SCSI "tagged" status
of a command at all, and many old drivers allow queuing of multiple
untagged commands in the driver.

Instead we start out with the ->simple_tags flag set before calling
->slave_configure, which is how all drivers actually looking at
->simple_tags except for one worke anyway.  The one other case looks
broken, but I've kept the behavior as-is for now.

Except for that we only change ->simple_tags from the ->change_queue_type,
and when rejecting a tag message in a single driver, so keeping this
churn out of scsi_adjust_queue_depth is a clear win.

Now that the usage of scsi_adjust_queue_depth is more obvious we can
also remove all the trivial instances in ->slave_alloc or ->slave_configure
that just set it to the cmd_per_lun default.

Signed-off-by: Christoph Hellwig 
Reviewed-by: Mike Christie 
Reviewed-by: Hannes Reinecke 
Reviewed-by: Martin K. Petersen

arcmsr: simplify ioctl data read/write

2014-09-25T12:23:40+00:00

Signed-off-by: Ching Huang 
Reviewed-by: Tomas Henzl 
Signed-off-by: Christoph Hellwig

arcmsr: simplify of updating doneq_index and postq_index

2014-09-16T16:40:14+00:00

Signed-off-by: Ching Huang 
Reviewed-by: Tomas Henzl 
Signed-off-by: Christoph Hellwig

arcmsr: call scsi_scan_host at the end of host initialization

2014-09-16T16:40:11+00:00

Call scsi_scan_host at the end of host initialization and fix and error path
to free allocated resource.

Signed-off-by: Ching Huang 
Reviewed-by: Tomas Henzl 
Signed-off-by: Christoph Hellwig

arcmsr: add support new adapter ARC12x4 series

2014-09-16T16:40:08+00:00

Add code to support the new Areca Raid ARC12x4 series adapters.

Signed-off-by: Ching Huang 
Reviewed-by: Tomas Henzl 
Signed-off-by: Christoph Hellwig

arcmsr: modify some character strings

2014-09-16T16:40:05+00:00

Revise comment and some character strings.

Signed-off-by: Ching Huang 
Reviewed-by: Tomas Henzl 
Signed-off-by: Christoph Hellwig

arcmsr: fix sparse warnings and errors

2014-09-16T16:40:03+00:00

Fix sparse utility checking errors and warnings.

Signed-off-by: Ching Huang 
Reviewed-by: Tomas Henzl 
Signed-off-by: Christoph Hellwig

arcmsr: fix ioctl data read/write error for adapter type C

2014-09-16T16:40:01+00:00

Rewrite ioctl entry and its relate function.  This patch fix ioctl data
read/write error and change data I/O access from byte to Dword.

Signed-off-by: Ching Huang 
Reviewed-by: Tomas Henzl 
Signed-off-by: Christoph Hellwig

arcmsr: revise allocation of second dma_coherent_handle for type B

2014-09-16T16:39:58+00:00

This modification is for consistency with upcoming adapter type D.
Both adapter type B and D have similar H/W and S/W structure.

Signed-off-by: Ching Huang 
Reviewed-by: Tomas Henzl 
Signed-off-by: Christoph Hellwig