Otherwise the clocks are not enabled and reading registers will BUG.
Fixes: 1e30b8d755b8 ("net: smsc911x: Make Runtime PM handling more fine-grained")
Suggested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
Changes since v1:
* patch is not a revert but a proper fix this time
drivers/net/ethernet/smsc/smsc911x.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index a2e511912e6a..67cb5eb9c716 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -1838,8 +1838,12 @@ smsc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
static struct net_device_stats *smsc911x_get_stats(struct net_device *dev)
{
struct smsc911x_data *pdata = netdev_priv(dev);
- smsc911x_tx_update_txcounters(dev);
- dev->stats.rx_dropped += smsc911x_reg_read(pdata, RX_DROP);
+
+ if (netif_running(dev)) {
+ smsc911x_tx_update_txcounters(dev);
+ dev->stats.rx_dropped += smsc911x_reg_read(pdata, RX_DROP);
+ }
+
return &dev->stats;
}
--
2.30.2
