[PATCH] net/igc: fix disabling timesync

[Wenwu Ma]

When disabling timesync, we should clear the IGC_RXPBS_CFG_TS_EN bit
of IGC_RXPBS, the patch fixes this.

Fixes: 4f6fbbf6f17d ("net/igc: support IEEE 1588 PTP")
Cc: stable at dpdk.org

Signed-off-by: Wenwu Ma <wenwux.ma at intel.com>
---
 drivers/net/igc/igc_ethdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/igc/igc_ethdev.c b/drivers/net/igc/igc_ethdev.c
index 58c4f80927..690736b6d1 100644
--- a/drivers/net/igc/igc_ethdev.c
+++ b/drivers/net/igc/igc_ethdev.c
@@ -2853,7 +2853,7 @@ eth_igc_timesync_disable(struct rte_eth_dev *dev)
 	IGC_WRITE_REG(hw, IGC_TSYNCRXCTL, 0);
 
 	val = IGC_READ_REG(hw, IGC_RXPBS);
-	val &= IGC_RXPBS_CFG_TS_EN;
+	val &= ~IGC_RXPBS_CFG_TS_EN;
 	IGC_WRITE_REG(hw, IGC_RXPBS, val);
 
 	val = IGC_READ_REG(hw, IGC_SRRCTL(0));
-- 
2.25.1