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[v4,05/17] be2iscsi: Set mbox timeout to 30s

Message ID 1453279261-659-6-git-send-email-jitendra.bhivare@avagotech.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Jitendra Bhivare Jan. 20, 2016, 8:40 a.m. UTC 
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>
---
 drivers/scsi/be2iscsi/be_cmds.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox

Patch

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,