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authorClark Williams <williams@redhat.com>2012-01-12 22:11:05 -0600
committerClark Williams <williams@redhat.com>2012-01-12 22:11:05 -0600
commit937f5e333d0b05638126f651135d3b8fd6b43665 (patch)
tree8c85f620680aca1496b8914288bb38ce11c320fc /drivers/infiniband/hw/qib/qib_iba6120.c
parentd76fe430665fac3f44ee88958713ecc524fd778d (diff)
parentb8ed9e5b8c34dc9fb1882669e45b21e3d0194881 (diff)
Merge commit 'v3.2.1' into rt-3.2.1-rt9v3.2.1-rt9
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_iba6120.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_iba6120.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index 781a802a321f..4f18e2d332df 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -2076,9 +2076,11 @@ static void qib_6120_config_ctxts(struct qib_devdata *dd)
static void qib_update_6120_usrhead(struct qib_ctxtdata *rcd, u64 hd,
u32 updegr, u32 egrhd, u32 npkts)
{
- qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
if (updegr)
qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt);
+ mmiowb();
+ qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+ mmiowb();
}
static u32 qib_6120_hdrqempty(struct qib_ctxtdata *rcd)