[SCSI] qla2xxx: Limit the logs in case device state does not change for ISP82xx.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 14 insertions, 4 deletions

diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index a62856ef5448..acd1ad3f9574 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -3543,15 +3543,18 @@ int
 qla82xx_device_state_handler(scsi_qla_host_t *vha)
 {
         uint32_t dev_state;
+        uint32_t old_dev_state;
         int rval = QLA_SUCCESS;
         unsigned long dev_init_timeout;
         struct qla_hw_data *ha = vha->hw;
+        int loopcount = 0;
 
         qla82xx_idc_lock(ha);
         if (!vha->flags.init_done)
                 qla82xx_set_drv_active(vha);
 
         dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+        old_dev_state = dev_state;
         qla_printk(KERN_INFO, ha, "1:Device state is 0x%x = %s\n", dev_state,
                 dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
 
@@ -3568,10 +3571,16 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha)
                         break;
                 }
                 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
-                qla_printk(KERN_INFO, ha,
-                        "2:Device state is 0x%x = %s\n", dev_state,
-                        dev_state < MAX_STATES ?
-                        qdev_state[dev_state] : "Unknown");
+                if (old_dev_state != dev_state) {
+                        loopcount = 0;
+                        old_dev_state = dev_state;
+                }
+                if (loopcount < 5) {
+                        qla_printk(KERN_INFO, ha,
+                            "2:Device state is 0x%x = %s\n", dev_state,
+                            dev_state < MAX_STATES ?
+                            qdev_state[dev_state] : "Unknown");
+                }
 
                 switch (dev_state) {
                 case QLA82XX_DEV_READY:
@@ -3620,6 +3629,7 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha)
                         msleep(1000);
                         qla82xx_idc_lock(ha);
                 }
+                loopcount++;
         }
 exit:
         qla82xx_idc_unlock(ha);