[SCSI] ibmvscsi: Enhanced error logging

Converts ibmvscsi to use dev_printk and friends to simplify
debugging. ibmvscsi adapter initialization now looks like this:

ibmvscsi 30000005: SRP_VERSION: 16.a
ibmvscsi 30000005: partner initialization complete
ibmvscsi 30000005: sent SRP login
ibmvscsi 30000005: SRP_LOGIN succeeded

Additionally, this patch adds the logging of a couple return codes in
a couple logs.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 91 insertions, 117 deletions

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index d91837caa42b..c63a26e2fbc7 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -173,9 +173,8 @@ static void release_event_pool(struct event_pool *pool,
                 }
         }
         if (in_use)
-                printk(KERN_WARNING
-                       "ibmvscsi: releasing event pool with %d "
-                       "events still in use?\n", in_use);
+                dev_warn(hostdata->dev, "releasing event pool with %d "
+                         "events still in use?\n", in_use);
         kfree(pool->events);
         dma_free_coherent(hostdata->dev,
                           pool->size * sizeof(*pool->iu_storage),
@@ -210,15 +209,13 @@ static void free_event_struct(struct event_pool *pool,
                                        struct srp_event_struct *evt)
 {
         if (!valid_event_struct(pool, evt)) {
-                printk(KERN_ERR
-                       "ibmvscsi: Freeing invalid event_struct %p "
-                       "(not in pool %p)\n", evt, pool->events);
+                dev_err(evt->hostdata->dev, "Freeing invalid event_struct %p "
+                        "(not in pool %p)\n", evt, pool->events);
                 return;
         }
         if (atomic_inc_return(&evt->free) != 1) {
-                printk(KERN_ERR
-                       "ibmvscsi: Freeing event_struct %p "
-                       "which is not in use!\n", evt);
+                dev_err(evt->hostdata->dev, "Freeing event_struct %p "
+                        "which is not in use!\n", evt);
                 return;
         }
 }
@@ -426,10 +423,9 @@ static int map_sg_data(struct scsi_cmnd *cmd,
                                            SG_ALL * sizeof(struct srp_direct_buf),
                                            &evt_struct->ext_list_token, 0);
                 if (!evt_struct->ext_list) {
-                        printk(KERN_ERR
-                               "ibmvscsi: Can't allocate memory for indirect table\n");
+                        sdev_printk(KERN_ERR, cmd->device,
+                                    "Can't allocate memory for indirect table\n");
                         return 0;
-                        
                 }
         }
 
@@ -464,8 +460,8 @@ static int map_single_data(struct scsi_cmnd *cmd,
                                cmd->request_bufflen,
                                DMA_BIDIRECTIONAL);
         if (dma_mapping_error(data->va)) {
-                printk(KERN_ERR
-                       "ibmvscsi: Unable to map request_buffer for command!\n");
+                sdev_printk(KERN_ERR, cmd->device,
+                            "Unable to map request_buffer for command!\n");
                 return 0;
         }
         data->len = cmd->request_bufflen;
@@ -496,13 +492,13 @@ static int map_data_for_srp_cmd(struct scsi_cmnd *cmd,
         case DMA_NONE:
                 return 1;
         case DMA_BIDIRECTIONAL:
-                printk(KERN_ERR
-                       "ibmvscsi: Can't map DMA_BIDIRECTIONAL to read/write\n");
+                sdev_printk(KERN_ERR, cmd->device,
+                            "Can't map DMA_BIDIRECTIONAL to read/write\n");
                 return 0;
         default:
-                printk(KERN_ERR
-                       "ibmvscsi: Unknown data direction 0x%02x; can't map!\n",
-                       cmd->sc_data_direction);
+                sdev_printk(KERN_ERR, cmd->device,
+                            "Unknown data direction 0x%02x; can't map!\n",
+                            cmd->sc_data_direction);
                 return 0;
         }
 
@@ -585,8 +581,7 @@ static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct,
              ibmvscsi_send_crq(hostdata, crq_as_u64[0], crq_as_u64[1])) != 0) {
                 list_del(&evt_struct->list);
 
-                printk(KERN_ERR "ibmvscsi: send error %d\n",
-                       rc);
+                dev_err(hostdata->dev, "send error %d\n", rc);
                 atomic_inc(&hostdata->request_limit);
                 goto send_error;
         }
@@ -627,9 +622,8 @@ static void handle_cmd_rsp(struct srp_event_struct *evt_struct)
 
         if (unlikely(rsp->opcode != SRP_RSP)) {
                 if (printk_ratelimit())
-                        printk(KERN_WARNING 
-                               "ibmvscsi: bad SRP RSP type %d\n",
-                               rsp->opcode);
+                        dev_warn(evt_struct->hostdata->dev,
+                                 "bad SRP RSP type %d\n", rsp->opcode);
         }
         
         if (cmnd) {
@@ -690,7 +684,7 @@ static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd,
         srp_cmd->lun = ((u64) lun) << 48;
 
         if (!map_data_for_srp_cmd(cmnd, evt_struct, srp_cmd, hostdata->dev)) {
-                printk(KERN_ERR "ibmvscsi: couldn't convert cmd to srp_cmd\n");
+                sdev_printk(KERN_ERR, cmnd->device, "couldn't convert cmd to srp_cmd\n");
                 free_event_struct(&hostdata->pool, evt_struct);
                 return SCSI_MLQUEUE_HOST_BUSY;
         }
@@ -737,16 +731,16 @@ static void adapter_info_rsp(struct srp_event_struct *evt_struct)
                          DMA_BIDIRECTIONAL);
 
         if (evt_struct->xfer_iu->mad.adapter_info.common.status) {
-                printk("ibmvscsi: error %d getting adapter info\n",
-                       evt_struct->xfer_iu->mad.adapter_info.common.status);
+                dev_err(hostdata->dev, "error %d getting adapter info\n",
+                        evt_struct->xfer_iu->mad.adapter_info.common.status);
         } else {
-                printk("ibmvscsi: host srp version: %s, "
-                       "host partition %s (%d), OS %d, max io %u\n",
-                       hostdata->madapter_info.srp_version,
-                       hostdata->madapter_info.partition_name,
-                       hostdata->madapter_info.partition_number,
-                       hostdata->madapter_info.os_type,
-                       hostdata->madapter_info.port_max_txu[0]);
+                dev_info(hostdata->dev, "host srp version: %s, "
+                         "host partition %s (%d), OS %d, max io %u\n",
+                         hostdata->madapter_info.srp_version,
+                         hostdata->madapter_info.partition_name,
+                         hostdata->madapter_info.partition_number,
+                         hostdata->madapter_info.os_type,
+                         hostdata->madapter_info.port_max_txu[0]);
                 
                 if (hostdata->madapter_info.port_max_txu[0]) 
                         hostdata->host->max_sectors = 
@@ -754,11 +748,10 @@ static void adapter_info_rsp(struct srp_event_struct *evt_struct)
                 
                 if (hostdata->madapter_info.os_type == 3 &&
                     strcmp(hostdata->madapter_info.srp_version, "1.6a") <= 0) {
-                        printk("ibmvscsi: host (Ver. %s) doesn't support large"
-                               "transfers\n",
-                               hostdata->madapter_info.srp_version);
-                        printk("ibmvscsi: limiting scatterlists to %d\n",
-                               MAX_INDIRECT_BUFS);
+                        dev_err(hostdata->dev, "host (Ver. %s) doesn't support large transfers\n",
+                                hostdata->madapter_info.srp_version);
+                        dev_err(hostdata->dev, "limiting scatterlists to %d\n",
+                                MAX_INDIRECT_BUFS);
                         hostdata->host->sg_tablesize = MAX_INDIRECT_BUFS;
                 }
         }
@@ -781,8 +774,8 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 
         evt_struct = get_event_struct(&hostdata->pool);
         if (!evt_struct) {
-                printk(KERN_ERR "ibmvscsi: couldn't allocate an event "
-                       "for ADAPTER_INFO_REQ!\n");
+                dev_err(hostdata->dev,
+                        "couldn't allocate an event for ADAPTER_INFO_REQ!\n");
                 return;
         }
 
@@ -802,15 +795,13 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
                                             DMA_BIDIRECTIONAL);
 
         if (dma_mapping_error(req->buffer)) {
-                printk(KERN_ERR
-                       "ibmvscsi: Unable to map request_buffer "
-                       "for adapter_info!\n");
+                dev_err(hostdata->dev, "Unable to map request_buffer for adapter_info!\n");
                 free_event_struct(&hostdata->pool, evt_struct);
                 return;
         }
         
         if (ibmvscsi_send_srp_event(evt_struct, hostdata)) {
-                printk(KERN_ERR "ibmvscsi: couldn't send ADAPTER_INFO_REQ!\n");
+                dev_err(hostdata->dev, "couldn't send ADAPTER_INFO_REQ!\n");
                 dma_unmap_single(hostdata->dev,
                                  addr,
                                  sizeof(hostdata->madapter_info),
@@ -832,24 +823,23 @@ static void login_rsp(struct srp_event_struct *evt_struct)
         case SRP_LOGIN_RSP:     /* it worked! */
                 break;
         case SRP_LOGIN_REJ:     /* refused! */
-                printk(KERN_INFO "ibmvscsi: SRP_LOGIN_REJ reason %u\n",
-                       evt_struct->xfer_iu->srp.login_rej.reason);
+                dev_info(hostdata->dev, "SRP_LOGIN_REJ reason %u\n",
+                         evt_struct->xfer_iu->srp.login_rej.reason);
                 /* Login failed.  */
                 atomic_set(&hostdata->request_limit, -1);
                 return;
         default:
-                printk(KERN_ERR
-                       "ibmvscsi: Invalid login response typecode 0x%02x!\n",
-                       evt_struct->xfer_iu->srp.login_rsp.opcode);
+                dev_err(hostdata->dev, "Invalid login response typecode 0x%02x!\n",
+                        evt_struct->xfer_iu->srp.login_rsp.opcode);
                 /* Login failed.  */
                 atomic_set(&hostdata->request_limit, -1);
                 return;
         }
 
-        printk(KERN_INFO "ibmvscsi: SRP_LOGIN succeeded\n");
+        dev_info(hostdata->dev, "SRP_LOGIN succeeded\n");
 
         if (evt_struct->xfer_iu->srp.login_rsp.req_lim_delta < 0)
-                printk(KERN_ERR "ibmvscsi: Invalid request_limit.\n");
+                dev_err(hostdata->dev, "Invalid request_limit.\n");
 
         /* Now we know what the real request-limit is.
          * This value is set rather than added to request_limit because
@@ -878,8 +868,7 @@ static int send_srp_login(struct ibmvscsi_host_data *hostdata)
         struct srp_login_req *login;
         struct srp_event_struct *evt_struct = get_event_struct(&hostdata->pool);
         if (!evt_struct) {
-                printk(KERN_ERR
-                       "ibmvscsi: couldn't allocate an event for login req!\n");
+                dev_err(hostdata->dev, "couldn't allocate an event for login req!\n");
                 return FAILED;
         }
 
@@ -902,7 +891,7 @@ static int send_srp_login(struct ibmvscsi_host_data *hostdata)
 
         rc = ibmvscsi_send_srp_event(evt_struct, hostdata);
         spin_unlock_irqrestore(hostdata->host->host_lock, flags);
-        printk("ibmvscsic: sent SRP login\n");
+        dev_info(hostdata->dev, "sent SRP login\n");
         return rc;
 };
 
@@ -957,7 +946,7 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
         evt = get_event_struct(&hostdata->pool);
         if (evt == NULL) {
                 spin_unlock_irqrestore(hostdata->host->host_lock, flags);
-                printk(KERN_ERR "ibmvscsi: failed to allocate abort event\n");
+                sdev_printk(KERN_ERR, cmd->device, "failed to allocate abort event\n");
                 return FAILED;
         }
         
@@ -975,15 +964,16 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
         tsk_mgmt->tsk_mgmt_func = SRP_TSK_ABORT_TASK;
         tsk_mgmt->task_tag = (u64) found_evt;
 
-        printk(KERN_INFO "ibmvscsi: aborting command. lun 0x%lx, tag 0x%lx\n",
-               tsk_mgmt->lun, tsk_mgmt->task_tag);
+        sdev_printk(KERN_INFO, cmd->device, "aborting command. lun 0x%lx, tag 0x%lx\n",
+                    tsk_mgmt->lun, tsk_mgmt->task_tag);
 
         evt->sync_srp = &srp_rsp;
         init_completion(&evt->comp);
         rsp_rc = ibmvscsi_send_srp_event(evt, hostdata);
         spin_unlock_irqrestore(hostdata->host->host_lock, flags);
         if (rsp_rc != 0) {
-                printk(KERN_ERR "ibmvscsi: failed to send abort() event\n");
+                sdev_printk(KERN_ERR, cmd->device,
+                            "failed to send abort() event. rc=%d\n", rsp_rc);
                 return FAILED;
         }
 
@@ -992,9 +982,8 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
         /* make sure we got a good response */
         if (unlikely(srp_rsp.srp.rsp.opcode != SRP_RSP)) {
                 if (printk_ratelimit())
-                        printk(KERN_WARNING 
-                               "ibmvscsi: abort bad SRP RSP type %d\n",
-                               srp_rsp.srp.rsp.opcode);
+                        sdev_printk(KERN_WARNING, cmd->device, "abort bad SRP RSP type %d\n",
+                                    srp_rsp.srp.rsp.opcode);
                 return FAILED;
         }
 
@@ -1005,10 +994,9 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
 
         if (rsp_rc) {
                 if (printk_ratelimit())
-                        printk(KERN_WARNING 
-                               "ibmvscsi: abort code %d for task tag 0x%lx\n",
-                               rsp_rc,
-                               tsk_mgmt->task_tag);
+                        sdev_printk(KERN_WARNING, cmd->device,
+                                    "abort code %d for task tag 0x%lx\n",
+                                    rsp_rc, tsk_mgmt->task_tag);
                 return FAILED;
         }
 
@@ -1027,15 +1015,13 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
 
         if (found_evt == NULL) {
                 spin_unlock_irqrestore(hostdata->host->host_lock, flags);
-                printk(KERN_INFO
-                       "ibmvscsi: aborted task tag 0x%lx completed\n",
-                       tsk_mgmt->task_tag);
+                sdev_printk(KERN_INFO, cmd->device, "aborted task tag 0x%lx completed\n",
+                            tsk_mgmt->task_tag);
                 return SUCCESS;
         }
 
-        printk(KERN_INFO
-               "ibmvscsi: successfully aborted task tag 0x%lx\n",
-               tsk_mgmt->task_tag);
+        sdev_printk(KERN_INFO, cmd->device, "successfully aborted task tag 0x%lx\n",
+                    tsk_mgmt->task_tag);
 
         cmd->result = (DID_ABORT << 16);
         list_del(&found_evt->list);
@@ -1069,7 +1055,7 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
         evt = get_event_struct(&hostdata->pool);
         if (evt == NULL) {
                 spin_unlock_irqrestore(hostdata->host->host_lock, flags);
-                printk(KERN_ERR "ibmvscsi: failed to allocate reset event\n");
+                sdev_printk(KERN_ERR, cmd->device, "failed to allocate reset event\n");
                 return FAILED;
         }
         
@@ -1086,15 +1072,16 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
         tsk_mgmt->lun = ((u64) lun) << 48;
         tsk_mgmt->tsk_mgmt_func = SRP_TSK_LUN_RESET;
 
-        printk(KERN_INFO "ibmvscsi: resetting device. lun 0x%lx\n",
-               tsk_mgmt->lun);
+        sdev_printk(KERN_INFO, cmd->device, "resetting device. lun 0x%lx\n",
+                    tsk_mgmt->lun);
 
         evt->sync_srp = &srp_rsp;
         init_completion(&evt->comp);
         rsp_rc = ibmvscsi_send_srp_event(evt, hostdata);
         spin_unlock_irqrestore(hostdata->host->host_lock, flags);
         if (rsp_rc != 0) {
-                printk(KERN_ERR "ibmvscsi: failed to send reset event\n");
+                sdev_printk(KERN_ERR, cmd->device,
+                            "failed to send reset event. rc=%d\n", rsp_rc);
                 return FAILED;
         }
 
@@ -1103,9 +1090,8 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
         /* make sure we got a good response */
         if (unlikely(srp_rsp.srp.rsp.opcode != SRP_RSP)) {
                 if (printk_ratelimit())
-                        printk(KERN_WARNING 
-                               "ibmvscsi: reset bad SRP RSP type %d\n",
-                               srp_rsp.srp.rsp.opcode);
+                        sdev_printk(KERN_WARNING, cmd->device, "reset bad SRP RSP type %d\n",
+                                    srp_rsp.srp.rsp.opcode);
                 return FAILED;
         }
 
@@ -1116,9 +1102,9 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
 
         if (rsp_rc) {
                 if (printk_ratelimit())
-                        printk(KERN_WARNING 
-                               "ibmvscsi: reset code %d for task tag 0x%lx\n",
-                               rsp_rc, tsk_mgmt->task_tag);
+                        sdev_printk(KERN_WARNING, cmd->device,
+                                    "reset code %d for task tag 0x%lx\n",
+                                    rsp_rc, tsk_mgmt->task_tag);
                 return FAILED;
         }
 
@@ -1184,6 +1170,7 @@ static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code)
 void ibmvscsi_handle_crq(struct viosrp_crq *crq,
                          struct ibmvscsi_host_data *hostdata)
 {
+        long rc;
         unsigned long flags;
         struct srp_event_struct *evt_struct =
             (struct srp_event_struct *)crq->IU_data_ptr;
@@ -1191,27 +1178,25 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
         case 0xC0:              /* initialization */
                 switch (crq->format) {
                 case 0x01:      /* Initialization message */
-                        printk(KERN_INFO "ibmvscsi: partner initialized\n");
+                        dev_info(hostdata->dev, "partner initialized\n");
                         /* Send back a response */
-                        if (ibmvscsi_send_crq(hostdata,
-                                              0xC002000000000000LL, 0) == 0) {
+                        if ((rc = ibmvscsi_send_crq(hostdata,
+                                                    0xC002000000000000LL, 0)) == 0) {
                                 /* Now login */
                                 send_srp_login(hostdata);
                         } else {
-                                printk(KERN_ERR
-                                       "ibmvscsi: Unable to send init rsp\n");
+                                dev_err(hostdata->dev, "Unable to send init rsp. rc=%ld\n", rc);
                         }
 
                         break;
                 case 0x02:      /* Initialization response */
-                        printk(KERN_INFO
-                               "ibmvscsi: partner initialization complete\n");
+                        dev_info(hostdata->dev, "partner initialization complete\n");
 
                         /* Now login */
                         send_srp_login(hostdata);
                         break;
                 default:
-                        printk(KERN_ERR "ibmvscsi: unknown crq message type\n");
+                        dev_err(hostdata->dev, "unknown crq message type: %d\n", crq->format);
                 }
                 return;
         case 0xFF:      /* Hypervisor telling us the connection is closed */
@@ -1219,8 +1204,7 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
                 atomic_set(&hostdata->request_limit, 0);
                 if (crq->format == 0x06) {
                         /* We need to re-setup the interpartition connection */
-                        printk(KERN_INFO
-                               "ibmvscsi: Re-enabling adapter!\n");
+                        dev_info(hostdata->dev, "Re-enabling adapter!\n");
                         purge_requests(hostdata, DID_REQUEUE);
                         if ((ibmvscsi_reenable_crq_queue(&hostdata->queue,
                                                         hostdata)) ||
@@ -1228,14 +1212,11 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
                                                0xC001000000000000LL, 0))) {
                                         atomic_set(&hostdata->request_limit,
                                                    -1);
-                                        printk(KERN_ERR
-                                               "ibmvscsi: error after"
-                                               " enable\n");
+                                        dev_err(hostdata->dev, "error after enable\n");
                         }
                 } else {
-                        printk(KERN_INFO
-                               "ibmvscsi: Virtual adapter failed rc %d!\n",
-                               crq->format);
+                        dev_err(hostdata->dev, "Virtual adapter failed rc %d!\n",
+                                crq->format);
 
                         purge_requests(hostdata, DID_ERROR);
                         if ((ibmvscsi_reset_crq_queue(&hostdata->queue,
@@ -1244,8 +1225,7 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
                                                0xC001000000000000LL, 0))) {
                                         atomic_set(&hostdata->request_limit,
                                                    -1);
-                                        printk(KERN_ERR
-                                               "ibmvscsi: error after reset\n");
+                                        dev_err(hostdata->dev, "error after reset\n");
                         }
                 }
                 scsi_unblock_requests(hostdata->host);
@@ -1253,9 +1233,8 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
         case 0x80:              /* real payload */
                 break;
         default:
-                printk(KERN_ERR
-                       "ibmvscsi: got an invalid message type 0x%02x\n",
-                       crq->valid);
+                dev_err(hostdata->dev, "got an invalid message type 0x%02x\n",
+                        crq->valid);
                 return;
         }
 
@@ -1264,16 +1243,14 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
          * actually sent
          */
         if (!valid_event_struct(&hostdata->pool, evt_struct)) {
-                printk(KERN_ERR
-                       "ibmvscsi: returned correlation_token 0x%p is invalid!\n",
+                dev_err(hostdata->dev, "returned correlation_token 0x%p is invalid!\n",
                        (void *)crq->IU_data_ptr);
                 return;
         }
 
         if (atomic_read(&evt_struct->free)) {
-                printk(KERN_ERR
-                       "ibmvscsi: received duplicate  correlation_token 0x%p!\n",
-                       (void *)crq->IU_data_ptr);
+                dev_err(hostdata->dev, "received duplicate correlation_token 0x%p!\n",
+                        (void *)crq->IU_data_ptr);
                 return;
         }
 
@@ -1284,8 +1261,7 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
         if (evt_struct->done)
                 evt_struct->done(evt_struct);
         else
-                printk(KERN_ERR
-                       "ibmvscsi: returned done() is NULL; not running it!\n");
+                dev_err(hostdata->dev, "returned done() is NULL; not running it!\n");
 
         /*
          * Lock the host_lock before messing with these structures, since we
@@ -1311,8 +1287,7 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 
         evt_struct = get_event_struct(&hostdata->pool);
         if (!evt_struct) {
-                printk(KERN_ERR
-                       "ibmvscsi: could't allocate event for HOST_CONFIG!\n");
+                dev_err(hostdata->dev, "couldn't allocate event for HOST_CONFIG!\n");
                 return -1;
         }
 
@@ -1332,8 +1307,7 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
                                                     DMA_BIDIRECTIONAL);
 
         if (dma_mapping_error(host_config->buffer)) {
-                printk(KERN_ERR
-                       "ibmvscsi: dma_mapping error " "getting host config\n");
+                dev_err(hostdata->dev, "dma_mapping error getting host config\n");
                 free_event_struct(&hostdata->pool, evt_struct);
                 return -1;
         }
@@ -1556,7 +1530,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
         driver_template.can_queue = max_requests;
         host = scsi_host_alloc(&driver_template, sizeof(*hostdata));
         if (!host) {
-                printk(KERN_ERR "ibmvscsi: couldn't allocate host data\n");
+                dev_err(&vdev->dev, "couldn't allocate host data\n");
                 goto scsi_host_alloc_failed;
         }
 
@@ -1570,11 +1544,11 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 
         rc = ibmvscsi_init_crq_queue(&hostdata->queue, hostdata, max_requests);
         if (rc != 0 && rc != H_RESOURCE) {
-                printk(KERN_ERR "ibmvscsi: couldn't initialize crq\n");
+                dev_err(&vdev->dev, "couldn't initialize crq. rc=%d\n", rc);
                 goto init_crq_failed;
         }
         if (initialize_event_pool(&hostdata->pool, max_requests, hostdata) != 0) {
-                printk(KERN_ERR "ibmvscsi: couldn't initialize event pool\n");
+                dev_err(&vdev->dev, "couldn't initialize event pool\n");
                 goto init_pool_failed;
         }