[SCSI] qla2xxx: Display the lock owner on lock acquire failure.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 042368b9a2e7..dc4be5b78bb9 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -847,14 +847,21 @@ static int
 qla82xx_rom_lock(struct qla_hw_data *ha)
 {
         int done = 0, timeout = 0;
+        uint32_t lock_owner = 0;
+        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 
         while (!done) {
                 /* acquire semaphore2 from PCI HW block */
                 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
                 if (done == 1)
                         break;
-                if (timeout >= qla82xx_rom_lock_timeout)
+                if (timeout >= qla82xx_rom_lock_timeout) {
+                        lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
+                        ql_dbg(ql_dbg_p3p, vha, 0xb085,
+                            "Failed to acquire rom lock, acquired by %d.\n",
+                            lock_owner);
                         return -1;
+                }
                 timeout++;
         }
         qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);