From: Dylan Hung dylan_hung@aspeedtech.com
[ Upstream commit 6897087323a2fde46df32917462750c069668b2f ]
The interrupt handler may set the flag to reset the mac in the future, but that flag is not cleared once the reset has occurred.
Fixes: 10cbd6407609 ("ftgmac100: Rework NAPI & interrupts handling") Signed-off-by: Dylan Hung dylan_hung@aspeedtech.com Acked-by: Benjamin Herrenschmidt benh@kernel.crashing.org Reviewed-by: Joel Stanley joel@jms.id.au Signed-off-by: Joel Stanley joel@jms.id.au Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/faraday/ftgmac100.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 88bfe2107938..04421aec2dfd 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -1337,6 +1337,7 @@ static int ftgmac100_poll(struct napi_struct *napi, int budget) */ if (unlikely(priv->need_mac_restart)) { ftgmac100_start_hw(priv); + priv->need_mac_restart = false;
/* Re-enable "bad" interrupts */ iowrite32(FTGMAC100_INT_BAD,