[PATCH -next] ntb: intel: Make intel_ntb3_peer_db_addr static

[Yue Haibing]

From: YueHaibing <yuehaib...@huawei.com>

Fix sparse warning:

drivers/ntb/hw/intel/ntb_hw_gen3.c:535:5: warning:
 symbol 'intel_ntb3_peer_db_addr' was not declared. Should it be static?

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/ntb/hw/intel/ntb_hw_gen3.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/ntb/hw/intel/ntb_hw_gen3.c 
b/drivers/ntb/hw/intel/ntb_hw_gen3.c
index f475b56..c339716 100644
--- a/drivers/ntb/hw/intel/ntb_hw_gen3.c
+++ b/drivers/ntb/hw/intel/ntb_hw_gen3.c
@@ -532,9 +532,9 @@ static int intel_ntb3_mw_set_trans(struct ntb_dev *ntb, int 
pidx, int idx,
        return 0;
 }
 
-int intel_ntb3_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr,
-                               resource_size_t *db_size,
-                               u64 *db_data, int db_bit)
+static int intel_ntb3_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr,
+                                  resource_size_t *db_size,
+                                  u64 *db_data, int db_bit)
 {
        phys_addr_t db_addr_base;
        struct intel_ntb_dev *ndev = ntb_ndev(ntb);
-- 
2.7.0