scsi: smartpqi: correct bdma hw bug

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add workaround for BDMA hardware bug that can cause
hw to read up to 12 SGL elements (192 bytes) beyond the
last element in the list. This fix avoids IOMMU violations

Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Kevin Barnett 2017-05-03 18:53:18 -05:00 • committed by Martin K. Petersen

parent 98f876674a

commit e1d213bdc3

1 changed files with 6 additions and 1 deletions

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drivers/scsi/smartpqi/smartpqi_init.c

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