[PATCH net-next] net: lan743x_ptp: make function lan743x_ptp_set_sync_ts_insert() static

[YueHaibing]

Fixes the following sparse warning:

drivers/net/ethernet/microchip/lan743x_ptp.c:980:6: warning:
 symbol 'lan743x_ptp_set_sync_ts_insert' was not declared. Should it be static?

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/net/ethernet/microchip/lan743x_ptp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/microchip/lan743x_ptp.c b/drivers/net/ethernet/microchip/lan743x_ptp.c
index ccdf912..b2109ec 100644
--- a/drivers/net/ethernet/microchip/lan743x_ptp.c
+++ b/drivers/net/ethernet/microchip/lan743x_ptp.c
@@ -977,8 +977,8 @@ void lan743x_ptp_close(struct lan743x_adapter *adapter)
 	lan743x_ptp_disable(adapter);
 }
 
-void lan743x_ptp_set_sync_ts_insert(struct lan743x_adapter *adapter,
-				    bool ts_insert_enable)
+static void lan743x_ptp_set_sync_ts_insert(struct lan743x_adapter *adapter,
+					   bool ts_insert_enable)
 {
 	u32 ptp_tx_mod = lan743x_csr_read(adapter, PTP_TX_MOD);
 
-- 
2.7.0