diff mbox series

[1/5] net: stmmac: Remove WAKE_MAGIC if HW shows no pmt_magic_frame

Message ID 20200727190148.78bab66e@xhacker.debian
State Accepted
Delegated to: David Miller
Headers show
Series net: stmmac: improve WOL | expand

Commit Message

Jisheng Zhang July 27, 2020, 11:01 a.m. UTC 
Remove WAKE_MAGIC from supported modes if the HW capability register
shows no support for pmt_magic_frame.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index eae11c585025..9e0af626a24a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -603,6 +603,8 @@  static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 	mutex_lock(&priv->lock);
 	if (device_can_wakeup(priv->device)) {
 		wol->supported = WAKE_MAGIC | WAKE_UCAST;
+		if (priv->hw_cap_support && !priv->dma_cap.pmt_magic_frame)
+			wol->supported &= ~WAKE_MAGIC;
 		wol->wolopts = priv->wolopts;
 	}
 	mutex_unlock(&priv->lock);