diff options
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_hw.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_hw.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index ce7f5383357..925075557dc 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -1899,9 +1899,14 @@ void nes_destroy_nic_qp(struct nes_vnic *nesvnic) u16 wqe_fragment_index; u64 wqe_frag; u32 cqp_head; + u32 wqm_cfg0; unsigned long flags; int ret; + /* clear wqe stall before destroying NIC QP */ + wqm_cfg0 = nes_read_indexed(nesdev, NES_IDX_WQM_CONFIG0); + nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG0, wqm_cfg0 & 0xFFFF7FFF); + /* Free remaining NIC receive buffers */ while (nesvnic->nic.rq_head != nesvnic->nic.rq_tail) { nic_rqe = &nesvnic->nic.rq_vbase[nesvnic->nic.rq_tail]; @@ -2020,6 +2025,9 @@ void nes_destroy_nic_qp(struct nes_vnic *nesvnic) pci_free_consistent(nesdev->pcidev, nesvnic->nic_mem_size, nesvnic->nic_vbase, nesvnic->nic_pbase); + + /* restore old wqm_cfg0 value */ + nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG0, wqm_cfg0); } /** |