libata: be less verbose about hpa

There's no reason to print out hpa related messages when HPA is not
active.  Kill the unconditional message and add a warning message
which is printed if HPA size is smaller than the current size.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/ata/libata-core.c

@@ -983,11 +983,6 @@ static u64 ata_hpa_resize(struct ata_device *dev)
 	else
 		hpa_sectors = ata_read_native_max_address(dev);
 
-	/* if no hpa, both should be equal */
-	ata_dev_printk(dev, KERN_INFO, "%s 1: sectors = %lld, "
-				"hpa_sectors = %lld\n",
-		__FUNCTION__, (long long)sectors, (long long)hpa_sectors);
-
 	if (hpa_sectors > sectors) {
 		ata_dev_printk(dev, KERN_INFO,
 			"Host Protected Area detected:\n"
@@ -1009,7 +1004,11 @@ static u64 ata_hpa_resize(struct ata_device *dev)
 				return hpa_sectors;
 			}
 		}
-	}
+	} else if (hpa_sectors < sectors)
+		ata_dev_printk(dev, KERN_WARNING, "%s 1: hpa sectors (%lld) "
+			       "is smaller than sectors (%lld)\n", __FUNCTION__,
+			       (long long)hpa_sectors, (long long)sectors);
+
 	return sectors;
 }