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(parent: c77ebae) | patch
scsi: smartpqi: correct bdma hw bug
authorKevin Barnett <kevin.barnett@hpe.com>
Wed, 3 May 2017 23:53:18 +0000 (18:53 -0500)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 13 Jun 2017 00:48:02 +0000 (20:48 -0400)
commit7d96b2f8173309d132c18c9bcff8ae94b419880e
treeadc7e2c63848b14b8498cb7cea0ae06a90695ba7tree | snapshot
parentc77ebaebb62e513a85699ee26fa0d80c7ba1f7cbcommit | diff
scsi: smartpqi: correct bdma hw bug

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>
drivers/scsi/smartpqi/smartpqi_init.c diff | blob | history
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