From: Jitendra <jitendra.bhiv...@avagotech.com>
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 <jitendra.bhiv...@avagotech.com>
---
drivers/scsi/be2iscsi/be_cmds.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 6f58063..1e70053 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -587,7 +587,8 @@ int be_mcc_notify_wait(struct beiscsi_hba *phba)
**/
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;
@@ -612,7 +613,7 @@ 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,
--
1.7.1
--
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