From: Michal Kalderon <[email protected]>
[ Upstream commit 0b1eddc1964351cd5ce57aff46853ed4ce9ebbff ]
Change the doorbell setting so that the maximum value between the last and
current value is set. This is to avoid doorbells being lost.
Fixes: a7efd7773e31 ("qedr: Add support for PD,PKEY and CQ verbs")
Link:
https://lore.kernel.org/r/[email protected]
Signed-off-by: Michal Kalderon <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
drivers/infiniband/hw/qedr/verbs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/qedr/verbs.c
b/drivers/infiniband/hw/qedr/verbs.c
index c6165c6390a71..7de96ac4ce543 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -998,7 +998,7 @@ int qedr_create_cq(struct ib_cq *ibcq, const struct
ib_cq_init_attr *attr,
/* Generate doorbell address. */
cq->db.data.icid = cq->icid;
cq->db_addr = dev->db_addr + db_offset;
- cq->db.data.params = DB_AGG_CMD_SET <<
+ cq->db.data.params = DB_AGG_CMD_MAX <<
RDMA_PWM_VAL32_DATA_AGG_CMD_SHIFT;
/* point to the very last element, passing it we will toggle */
--
2.25.1
