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net: stmmac: Remove WAKE_MAGIC if HW shows no pmt_magic_frame 

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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jisheng Zhang 2020-07-27 19:01:48 +08:00 committed by David S. Miller
parent f11df0454f
commit 1057d685c6
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
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@ -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);