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be2iscsi: Set mbox timeout to 30s 

FW recommended timeout for all mbox command is 30s.  Use msleep instead
mdelay to relinquish CPU when polling for mbox completion.

Signed-off-by: Jitendra Bhivare <jitendra.bhivare@avagotech.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Jitendra Bhivare 2016-01-20 14:10:49 +05:30 committed by Martin K. Petersen
parent 12843f0361
commit 9ec6f6b89a
1 changed files with 3 additions and 2 deletions
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5
drivers/scsi/be2iscsi/be_cmds.c
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@ -590,7 +590,8 @@ int be_mcc_notify_wait(struct beiscsi_hba *phba, unsigned int tag)
**/
static int be_mbox_db_ready_wait(struct be_ctrl_info *ctrl)
{
#define BEISCSI_MBX_RDY_BIT_TIMEOUT 12000 /* 12sec */
/* wait 30s for generic non-flash MBOX operation */
#define BEISCSI_MBX_RDY_BIT_TIMEOUT 30000
void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET;
struct beiscsi_hba *phba = pci_get_drvdata(ctrl->pdev);
unsigned long timeout;
@ -615,7 +616,7 @@ static int be_mbox_db_ready_wait(struct be_ctrl_info *ctrl)
if (time_after(jiffies, timeout))
break;
mdelay(1);
msleep(20);
} while (!ready);
beiscsi_log(phba, KERN_ERR,