megaraid_sas: Add an i/o barrier

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[ Upstream commit b99dbe56d5 ]

A barrier should be added to ensure proper ordering of memory mapped
writes.

Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Kashyap Desai <kashyap.desai@broadcom.com>
Acked-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Tomas Henzl 2016-02-01 15:12:04 +01:00 • committed by Greg Kroah-Hartman

parent 948cb1ca1f

commit e77b14a6f3

2 changed files with 2 additions and 0 deletions

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drivers/scsi/megaraid/megaraid_sas_base.c

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drivers/scsi/megaraid/megaraid_sas_fusion.c

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