diff options
| -rw-r--r-- | drivers/infiniband/hw/irdma/ctrl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/irdma/ctrl.c b/drivers/infiniband/hw/irdma/ctrl.c index 57bf6815e71e..c17b1c14dfe2 100644 --- a/drivers/infiniband/hw/irdma/ctrl.c +++ b/drivers/infiniband/hw/irdma/ctrl.c @@ -3868,11 +3868,13 @@ int irdma_sc_cqp_destroy(struct irdma_sc_cqp *cqp) */ void irdma_sc_ccq_arm(struct irdma_sc_cq *ccq) { + unsigned long flags; u64 temp_val; u16 sw_cq_sel; u8 arm_next_se; u8 arm_seq_num; + spin_lock_irqsave(&ccq->dev->cqp_lock, flags); get_64bit_val(ccq->cq_uk.shadow_area, 32, &temp_val); sw_cq_sel = (u16)FIELD_GET(IRDMA_CQ_DBSA_SW_CQ_SELECT, temp_val); arm_next_se = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_NEXT_SE, temp_val); @@ -3883,6 +3885,7 @@ void irdma_sc_ccq_arm(struct irdma_sc_cq *ccq) FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT_SE, arm_next_se) | FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT, 1); set_64bit_val(ccq->cq_uk.shadow_area, 32, temp_val); + spin_unlock_irqrestore(&ccq->dev->cqp_lock, flags); dma_wmb(); /* make sure shadow area is updated before arming */ |