diff options
| -rw-r--r-- | drivers/net/ethernet/vertexcom/mse102x.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/vertexcom/mse102x.c b/drivers/net/ethernet/vertexcom/mse102x.c index 89dc4c401a8d..92ebf1633159 100644 --- a/drivers/net/ethernet/vertexcom/mse102x.c +++ b/drivers/net/ethernet/vertexcom/mse102x.c @@ -509,6 +509,7 @@ static irqreturn_t mse102x_irq(int irq, void *_mse) static int mse102x_net_open(struct net_device *ndev) { struct mse102x_net *mse = netdev_priv(ndev); + struct mse102x_net_spi *mses = to_mse102x_spi(mse); int ret; ret = request_threaded_irq(ndev->irq, NULL, mse102x_irq, IRQF_ONESHOT, @@ -524,6 +525,13 @@ static int mse102x_net_open(struct net_device *ndev) netif_carrier_on(ndev); + /* The SPI interrupt can stuck in case of pending packet(s). + * So poll for possible packet(s) to re-arm the interrupt. + */ + mutex_lock(&mses->lock); + mse102x_rx_pkt_spi(mse); + mutex_unlock(&mses->lock); + netif_dbg(mse, ifup, ndev, "network device up\n"); return 0; |