Commit c6b9ef57 authored by Sakthivel K's avatar Sakthivel K Committed by James Bottomley
Browse files

[SCSI] pm80xx: NCQ error handling changes



Handled NCQ errors in the low level driver as the FW
is not providing the faulty tag for NCQ errors for libsas
to recover.

[jejb: fix checkpatch issues]
Signed-off-by: default avatarAnand Kumar S <AnandKumar.Santhanam@pmcs.com>
Acked-by: default avatarJack Wang <jack_wang@usish.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent a33a0155
......@@ -1707,6 +1707,123 @@ int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
return ret;
}
static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_ha_dev)
{
int res;
u32 ccb_tag;
struct pm8001_ccb_info *ccb;
struct sas_task *task = NULL;
struct task_abort_req task_abort;
struct inbound_queue_table *circularQ;
u32 opc = OPC_INB_SATA_ABORT;
int ret;
if (!pm8001_ha_dev) {
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
return;
}
task = sas_alloc_slow_task(GFP_ATOMIC);
if (!task) {
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
"allocate task\n"));
return;
}
task->task_done = pm8001_task_done;
res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
if (res)
return;
ccb = &pm8001_ha->ccb_info[ccb_tag];
ccb->device = pm8001_ha_dev;
ccb->ccb_tag = ccb_tag;
ccb->task = task;
circularQ = &pm8001_ha->inbnd_q_tbl[0];
memset(&task_abort, 0, sizeof(task_abort));
task_abort.abort_all = cpu_to_le32(1);
task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
task_abort.tag = cpu_to_le32(ccb_tag);
ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
}
static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_ha_dev)
{
struct sata_start_req sata_cmd;
int res;
u32 ccb_tag;
struct pm8001_ccb_info *ccb;
struct sas_task *task = NULL;
struct host_to_dev_fis fis;
struct domain_device *dev;
struct inbound_queue_table *circularQ;
u32 opc = OPC_INB_SATA_HOST_OPSTART;
task = sas_alloc_slow_task(GFP_ATOMIC);
if (!task) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("cannot allocate task !!!\n"));
return;
}
task->task_done = pm8001_task_done;
res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
if (res) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("cannot allocate tag !!!\n"));
return;
}
/* allocate domain device by ourselves as libsas
* is not going to provide any
*/
dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
if (!dev) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Domain device cannot be allocated\n"));
sas_free_task(task);
return;
} else {
task->dev = dev;
task->dev->lldd_dev = pm8001_ha_dev;
}
ccb = &pm8001_ha->ccb_info[ccb_tag];
ccb->device = pm8001_ha_dev;
ccb->ccb_tag = ccb_tag;
ccb->task = task;
pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
memset(&sata_cmd, 0, sizeof(sata_cmd));
circularQ = &pm8001_ha->inbnd_q_tbl[0];
/* construct read log FIS */
memset(&fis, 0, sizeof(struct host_to_dev_fis));
fis.fis_type = 0x27;
fis.flags = 0x80;
fis.command = ATA_CMD_READ_LOG_EXT;
fis.lbal = 0x10;
fis.sector_count = 0x1;
sata_cmd.tag = cpu_to_le32(ccb_tag);
sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
sata_cmd.ncqtag_atap_dir_m |= ((0x1 << 7) | (0x5 << 9));
memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
}
/**
* mpi_ssp_completion- process the event that FW response to the SSP request.
* @pm8001_ha: our hba card information
......@@ -1941,7 +2058,7 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
break;
}
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("scsi_status = %x \n ",
pm8001_printk("scsi_status = %x\n ",
psspPayload->ssp_resp_iu.status));
spin_lock_irqsave(&t->task_state_lock, flags);
t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
......@@ -2170,16 +2287,44 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
status = le32_to_cpu(psataPayload->status);
tag = le32_to_cpu(psataPayload->tag);
if (!tag) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("tag null\n"));
return;
}
ccb = &pm8001_ha->ccb_info[tag];
param = le32_to_cpu(psataPayload->param);
t = ccb->task;
if (ccb) {
t = ccb->task;
pm8001_dev = ccb->device;
} else {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("ccb null\n"));
return;
}
if (t) {
if (t->dev && (t->dev->lldd_dev))
pm8001_dev = t->dev->lldd_dev;
} else {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("task null\n"));
return;
}
if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
&& unlikely(!t || !t->lldd_task || !t->dev)) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("task or dev null\n"));
return;
}
ts = &t->task_status;
pm8001_dev = ccb->device;
if (status)
if (!ts) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("sata IO status 0x%x\n", status));
if (unlikely(!t || !t->lldd_task || !t->dev))
pm8001_printk("ts null\n"));
return;
}
switch (status) {
case IO_SUCCESS:
......@@ -2187,6 +2332,19 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
if (param == 0) {
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAM_STAT_GOOD;
/* check if response is for SEND READ LOG */
if (pm8001_dev &&
(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
/* set new bit for abort_all */
pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
/* clear bit for read log */
pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
pm8001_send_abort_all(pm8001_ha, pm8001_dev);
/* Free the tag */
pm8001_tag_free(pm8001_ha, tag);
sas_free_task(t);
return;
}
} else {
u8 len;
ts->resp = SAS_TASK_COMPLETE;
......@@ -2497,6 +2655,29 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
u32 dev_id = le32_to_cpu(psataPayload->device_id);
unsigned long flags;
ccb = &pm8001_ha->ccb_info[tag];
if (ccb) {
t = ccb->task;
pm8001_dev = ccb->device;
} else {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("No CCB !!!. returning\n"));
}
if (event)
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SATA EVENT 0x%x\n", event));
/* Check if this is NCQ error */
if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
/* find device using device id */
pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
/* send read log extension */
if (pm8001_dev)
pm8001_send_read_log(pm8001_ha, pm8001_dev);
return;
}
ccb = &pm8001_ha->ccb_info[tag];
t = ccb->task;
pm8001_dev = ccb->device;
......@@ -3512,19 +3693,29 @@ int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
u32 status ;
u32 tag, scp;
struct task_status_struct *ts;
struct pm8001_device *pm8001_dev;
struct task_abort_resp *pPayload =
(struct task_abort_resp *)(piomb + 4);
status = le32_to_cpu(pPayload->status);
tag = le32_to_cpu(pPayload->tag);
if (!tag) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk(" TAG NULL. RETURNING !!!"));
return -1;
}
scp = le32_to_cpu(pPayload->scp);
ccb = &pm8001_ha->ccb_info[tag];
t = ccb->task;
PM8001_IO_DBG(pm8001_ha,
pm8001_printk(" status = 0x%x\n", status));
if (t == NULL)
pm8001_dev = ccb->device; /* retrieve device */
if (!t) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk(" TASK NULL. RETURNING !!!"));
return -1;
}
ts = &t->task_status;
if (status != 0)
PM8001_FAIL_DBG(pm8001_ha,
......@@ -3548,7 +3739,15 @@ int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
spin_unlock_irqrestore(&t->task_state_lock, flags);
pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
mb();
t->task_done(t);
if ((pm8001_dev->id & NCQ_ABORT_ALL_FLAG) && t) {
pm8001_tag_free(pm8001_ha, tag);
sas_free_task(t);
/* clear the flag */
pm8001_dev->id &= 0xBFFFFFFF;
} else
t->task_done(t);
return 0;
}
......@@ -4133,6 +4332,7 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
u32 ATAP = 0x0;
u32 dir;
struct inbound_queue_table *circularQ;
unsigned long flags;
u32 opc = OPC_INB_SATA_HOST_OPSTART;
memset(&sata_cmd, 0, sizeof(sata_cmd));
circularQ = &pm8001_ha->inbnd_q_tbl[0];
......@@ -4153,8 +4353,10 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
}
}
if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag))
if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
ncg_tag = hdr_tag;
}
dir = data_dir_flags[task->data_dir] << 8;
sata_cmd.tag = cpu_to_le32(tag);
sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
......@@ -4185,6 +4387,54 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
sata_cmd.len = cpu_to_le32(task->total_xfer_len);
sata_cmd.esgl = 0;
}
/* Check for read log for failed drive and return */
if (sata_cmd.sata_fis.command == 0x2f) {
if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
(pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
(pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
struct task_status_struct *ts;
pm8001_ha_dev->id &= 0xDFFFFFFF;
ts = &task->task_status;
spin_lock_irqsave(&task->task_state_lock, flags);
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAM_STAT_GOOD;
task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
task->task_state_flags |= SAS_TASK_STATE_DONE;
if (unlikely((task->task_state_flags &
SAS_TASK_STATE_ABORTED))) {
spin_unlock_irqrestore(&task->task_state_lock,
flags);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("task 0x%p resp 0x%x "
" stat 0x%x but aborted by upper layer "
"\n", task, ts->resp, ts->stat));
pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
} else if (task->uldd_task) {
spin_unlock_irqrestore(&task->task_state_lock,
flags);
pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
mb();/* ditto */
spin_unlock_irq(&pm8001_ha->lock);
task->task_done(task);
spin_lock_irq(&pm8001_ha->lock);
return 0;
} else if (!task->uldd_task) {
spin_unlock_irqrestore(&task->task_state_lock,
flags);
pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
mb();/*ditto*/
spin_unlock_irq(&pm8001_ha->lock);
task->task_done(task);
spin_lock_irq(&pm8001_ha->lock);
return 0;
}
}
}
ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
return ret;
}
......
......@@ -68,7 +68,7 @@ static void pm8001_tag_clear(struct pm8001_hba_info *pm8001_ha, u32 tag)
clear_bit(tag, bitmap);
}
static void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag)
void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag)
{
pm8001_tag_clear(pm8001_ha, tag);
}
......@@ -565,6 +565,24 @@ struct pm8001_device *pm8001_alloc_dev(struct pm8001_hba_info *pm8001_ha)
}
return NULL;
}
/**
* pm8001_find_dev - find a matching pm8001_device
* @pm8001_ha: our hba card information
*/
struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
u32 device_id)
{
u32 dev;
for (dev = 0; dev < PM8001_MAX_DEVICES; dev++) {
if (pm8001_ha->devices[dev].device_id == device_id)
return &pm8001_ha->devices[dev];
}
if (dev == PM8001_MAX_DEVICES) {
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("NO MATCHING "
"DEVICE FOUND !!!\n"));
}
return NULL;
}
static void pm8001_free_dev(struct pm8001_device *pm8001_dev)
{
......@@ -653,7 +671,7 @@ int pm8001_dev_found(struct domain_device *dev)
return pm8001_dev_found_notify(dev);
}
static void pm8001_task_done(struct sas_task *task)
void pm8001_task_done(struct sas_task *task)
{
if (!del_timer(&task->slow_task->timer))
return;
......
......@@ -321,7 +321,9 @@ union main_cfg_table {
u32 inbound_queue_offset;
u32 outbound_queue_offset;
u32 inbound_q_nppd_hppd;
u32 rsvd[10];
u32 rsvd[8];
u32 crc_core_dump;
u32 rsvd1;
u32 upper_event_log_addr;
u32 lower_event_log_addr;
u32 event_log_size;
......@@ -493,6 +495,9 @@ struct pm8001_fw_image_header {
#define FLASH_UPDATE_DNLD_NOT_SUPPORTED 0x10
#define FLASH_UPDATE_DISABLED 0x11
#define NCQ_READ_LOG_FLAG 0x80000000
#define NCQ_ABORT_ALL_FLAG 0x40000000
#define NCQ_2ND_RLE_FLAG 0x20000000
/**
* brief param structure for firmware flash update.
*/
......@@ -567,7 +572,6 @@ int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
u32 mem_size, u32 align);
/********** functions common to spc & spcv - begins ************/
void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
struct inbound_queue_table *circularQ,
......@@ -615,7 +619,12 @@ int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
void *piomb);
int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb);
int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
/*********** functions common to spc & spcv - ends ************/
struct sas_task *pm8001_alloc_task(void);
void pm8001_task_done(struct sas_task *task);
void pm8001_free_task(struct sas_task *task);
void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag);
struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
u32 device_id);
int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
......
......@@ -270,6 +270,9 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity = 0x01;
pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt = 0x01;
/* Disable end to end CRC checking */
pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt =
PM8001_MPI_QUEUE | (64 << 16) | (0x00<<30);
......@@ -353,6 +356,8 @@ static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
/* SPCv specific */
pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
......@@ -1026,6 +1031,123 @@ pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
pm80xx_chip_intx_interrupt_disable(pm8001_ha);
}
static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_ha_dev)
{
int res;
u32 ccb_tag;
struct pm8001_ccb_info *ccb;
struct sas_task *task = NULL;
struct task_abort_req task_abort;
struct inbound_queue_table *circularQ;
u32 opc = OPC_INB_SATA_ABORT;
int ret;
if (!pm8001_ha_dev) {
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
return;
}
task = sas_alloc_slow_task(GFP_ATOMIC);
if (!task) {
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
"allocate task\n"));
return;
}
task->task_done = pm8001_task_done;
res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
if (res)
return;
ccb = &pm8001_ha->ccb_info[ccb_tag];
ccb->device = pm8001_ha_dev;
ccb->ccb_tag = ccb_tag;
ccb->task = task;
circularQ = &pm8001_ha->inbnd_q_tbl[0];
memset(&task_abort, 0, sizeof(task_abort));
task_abort.abort_all = cpu_to_le32(1);
task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
task_abort.tag = cpu_to_le32(ccb_tag);
ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
}
static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_ha_dev)
{
struct sata_start_req sata_cmd;
int res;
u32 ccb_tag;
struct pm8001_ccb_info *ccb;
struct sas_task *task = NULL;
struct host_to_dev_fis fis;
struct domain_device *dev;
struct inbound_queue_table *circularQ;
u32 opc = OPC_INB_SATA_HOST_OPSTART;
task = sas_alloc_slow_task(GFP_ATOMIC);
if (!task) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("cannot allocate task !!!\n"));
return;
}
task->task_done = pm8001_task_done;
res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
if (res) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("cannot allocate tag !!!\n"));
return;
}
/* allocate domain device by ourselves as libsas
* is not going to provide any
*/
dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
if (!dev) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Domain device cannot be allocated\n"));
sas_free_task(task);
return;
} else {
task->dev = dev;
task->dev->lldd_dev = pm8001_ha_dev;
}
ccb = &pm8001_ha->ccb_info[ccb_tag];
ccb->device = pm8001_ha_dev;
ccb->ccb_tag = ccb_tag;
ccb->task = task;
pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
memset(&sata_cmd, 0, sizeof(sata_cmd));
circularQ = &pm8001_ha->inbnd_q_tbl[0];
/* construct read log FIS */
memset(&fis, 0, sizeof(struct host_to_dev_fis));
fis.fis_type = 0x27;
fis.flags = 0x80;
fis.command = ATA_CMD_READ_LOG_EXT;
fis.lbal = 0x10;
fis.sector_count = 0x1;
sata_cmd.tag = cpu_to_le32(ccb_tag);
sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
}
/**
* mpi_ssp_completion- process the event that FW response to the SSP request.
* @pm8001_ha: our hba card information
......@@ -1480,22 +1602,50 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
struct ata_task_resp *resp ;
u32 *sata_resp;
struct pm8001_device *pm8001_dev;
unsigned long flags = 0;
unsigned long flags;
psataPayload = (struct sata_completion_resp *)(piomb + 4);
status = le32_to_cpu(psataPayload->status);
tag = le32_to_cpu(psataPayload->tag);
if (!tag) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("tag null\n"));
return;
}
ccb = &pm8001_ha->ccb_info[tag];
param = le32_to_cpu(psataPayload->param);
t = ccb->task;
if (ccb) {
t = ccb->task;
pm8001_dev = ccb->device;
} else {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("ccb null\n"));
return;
}
if (t) {
if (t->dev && (t->dev->lldd_dev))
pm8001_dev = t->dev->lldd_dev;
} else {