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GenWQE: Add wmb before DDCB is started
authorFrank Haverkamp <haver@linux.vnet.ibm.com>
Thu, 20 Mar 2014 14:11:03 +0000 (15:11 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 Apr 2014 19:12:38 +0000 (12:12 -0700)
commit68fe8acc204c7fbefd4c01b8929fedb244ec283d
tree51f8a953eb1505cbf9a356655ebfc770393bdc53
parent5c5e0589038537848849fc827f5234a31a10f899
GenWQE: Add wmb before DDCB is started

Needed to add wmb() before we send the DDCB for execution.
Without the syncronizing it failed on System p.

Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/genwqe/card_ddcb.c