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.bhiv...@avagotech.com> Reviewed-by: Hannes Reinecke <h...@suse.com> --- drivers/scsi/be2iscsi/be_cmds.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c index db03149..f93ab6d 100644 --- a/drivers/scsi/be2iscsi/be_cmds.c +++ b/drivers/scsi/be2iscsi/be_cmds.c @@ -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, -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html