megaraid_sas: endianness related bug fixes and code optimization

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This patch addresses below issues:

1) Few endianness bug fixes.
2) Break the iteration after (MAX_LOGICAL_DRIVES_EXT - 1)),
   instead of MAX_LOGICAL_DRIVES_EXT.
3) Optimization in MFI INIT frame before firing.
4) MFI IO frame should be 256bytes aligned.  Code is optimized to reduce
   the size of frame for fusion adapters and make the MFI frame size
   calculation a bit transparent and readable.

Cc: <stable@vger.kernel.org>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Chaitra Basappa <chaitra.basappa@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

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This commit is contained in:

Sumit.Saxena@avagotech.com 2015-01-05 20:05:58 +05:30 • committed by Christoph Hellwig

parent 470613b462

commit 200aed582d

4 changed files with 24 additions and 30 deletions

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24

drivers/scsi/megaraid/megaraid_sas_base.c

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14

drivers/scsi/megaraid/megaraid_sas_fp.c

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7

drivers/scsi/megaraid/megaraid_sas_fusion.c

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9

drivers/scsi/megaraid/megaraid_sas_fusion.h

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