diff options
author | Suresh Reddy <Suresh.Reddy@emulex.com> | 2015-07-10 12:32:48 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2015-07-11 09:24:30 +0300 |
commit | efaa408e964012225897e87d9aad97a4d0ebc1d5 (patch) | |
tree | b8b0ef54497d42e8e8ea64b7f18ab069ea020bdf /drivers | |
parent | 1645d99768e00d3148ebded5d8c4ab55cdb19a5c (diff) | |
download | linux-efaa408e964012225897e87d9aad97a4d0ebc1d5.tar.xz |
be2net: return error status from be_mcc_notify()
When the adapter is in error state, return error from be_mcc_notify()
so that the caller routines need not sleep waiting for a response.
Signed-off-by: Suresh Reddy <suresh.reddy@avagotech.com>
Signed-off-by: Sathya Perla <sathya.perla@avagotech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/emulex/benet/be_cmds.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 9eac3227d2ca..a299f7bca7ba 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -88,19 +88,21 @@ static inline void *embedded_payload(struct be_mcc_wrb *wrb) return wrb->payload.embedded_payload; } -static void be_mcc_notify(struct be_adapter *adapter) +static int be_mcc_notify(struct be_adapter *adapter) { struct be_queue_info *mccq = &adapter->mcc_obj.q; u32 val = 0; if (be_check_error(adapter, BE_ERROR_ANY)) - return; + return -EIO; val |= mccq->id & DB_MCCQ_RING_ID_MASK; val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT; wmb(); iowrite32(val, adapter->db + DB_MCCQ_OFFSET); + + return 0; } /* To check if valid bit is set, check the entire word as we don't know @@ -541,7 +543,9 @@ static int be_mcc_notify_wait(struct be_adapter *adapter) resp = be_decode_resp_hdr(wrb->tag0, wrb->tag1); - be_mcc_notify(adapter); + status = be_mcc_notify(adapter); + if (status) + goto out; status = be_mcc_wait_compl(adapter); if (status == -EIO) @@ -1547,7 +1551,10 @@ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd) else hdr->version = 2; - be_mcc_notify(adapter); + status = be_mcc_notify(adapter); + if (status) + goto err; + adapter->stats_cmd_sent = true; err: @@ -1583,7 +1590,10 @@ int lancer_cmd_get_pport_stats(struct be_adapter *adapter, req->cmd_params.params.pport_num = cpu_to_le16(adapter->hba_port_num); req->cmd_params.params.reset_stats = 0; - be_mcc_notify(adapter); + status = be_mcc_notify(adapter); + if (status) + goto err; + adapter->stats_cmd_sent = true; err: @@ -1687,8 +1697,7 @@ int be_cmd_get_die_temperature(struct be_adapter *adapter) OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES, sizeof(*req), wrb, NULL); - be_mcc_notify(adapter); - + status = be_mcc_notify(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; @@ -1860,7 +1869,7 @@ static int __be_cmd_modify_eqd(struct be_adapter *adapter, cpu_to_le32(set_eqd[i].delay_multiplier); } - be_mcc_notify(adapter); + status = be_mcc_notify(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; @@ -2320,7 +2329,10 @@ int lancer_cmd_write_object(struct be_adapter *adapter, struct be_dma_mem *cmd, req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma + sizeof(struct lancer_cmd_req_write_object))); - be_mcc_notify(adapter); + status = be_mcc_notify(adapter); + if (status) + goto err_unlock; + spin_unlock_bh(&adapter->mcc_lock); if (!wait_for_completion_timeout(&adapter->et_cmd_compl, @@ -2491,7 +2503,10 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd, req->params.op_code = cpu_to_le32(flash_opcode); req->params.data_buf_size = cpu_to_le32(buf_size); - be_mcc_notify(adapter); + status = be_mcc_notify(adapter); + if (status) + goto err_unlock; + spin_unlock_bh(&adapter->mcc_lock); if (!wait_for_completion_timeout(&adapter->et_cmd_compl, @@ -2636,7 +2651,9 @@ int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num, req->num_pkts = cpu_to_le32(num_pkts); req->loopback_type = cpu_to_le32(loopback_type); - be_mcc_notify(adapter); + status = be_mcc_notify(adapter); + if (status) + goto err; spin_unlock_bh(&adapter->mcc_lock); |