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authorMike Marciniszyn <mike.marciniszyn@intel.com>2014-03-07 08:40:55 -0500
committerRoland Dreier <roland@purestorage.com>2014-03-17 16:16:51 -0700
commit7d7632add8dd99f68b21546efff08a5a162de184 (patch)
tree297e7ae3fd16e09386fefa6687281c53b3ca5549 /drivers/infiniband/hw/qib/qib_iba7220.c
parent1ed88dd7d0b361e677b2690f573e5c274bb25c87 (diff)
IB/qib: Modify software pma counters to use percpu variables
The counters, unicast_xmit, unicast_rcv, multicast_xmit, multicast_rcv are now maintained as percpu variables. The mad code is modified to add a z_ latch so that the percpu counters monotonically increase with appropriate adjustments in the reset, read logic to maintain the z_ latch. This patch also corrects the fact the unitcast_xmit wasn't handled at all for UC and RC QPs. Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_iba7220.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_iba7220.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c
index 28063d4c225b..7dec89fdc124 100644
--- a/drivers/infiniband/hw/qib/qib_iba7220.c
+++ b/drivers/infiniband/hw/qib/qib_iba7220.c
@@ -4059,7 +4059,9 @@ static int qib_init_7220_variables(struct qib_devdata *dd)
init_waitqueue_head(&cpspec->autoneg_wait);
INIT_DELAYED_WORK(&cpspec->autoneg_work, autoneg_7220_work);
- qib_init_pportdata(ppd, dd, 0, 1);
+ ret = qib_init_pportdata(ppd, dd, 0, 1);
+ if (ret)
+ goto bail;
ppd->link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
ppd->link_speed_supported = QIB_IB_SDR | QIB_IB_DDR;