Add the description for the '_scsih_get_sas_address' function.

Signed-off-by: Deming Wang <wangdeming@inspur.com>
---
 drivers/scsi/mpt3sas/mpt3sas_scsih.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 12d08d8ba538..3d955dac5778 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -499,7 +499,7 @@ _scsih_is_boot_device(u64 sas_address, u64 device_name,
 
 /**
  * _scsih_get_sas_address - set the sas_address for given device handle
- * @ioc: ?
+ * @ioc: per adapter object
  * @handle: device handle
  * @sas_address: sas address
  *
-- 
2.31.1