| From f3f83ae19532c07445f2e1d0eb369c6734c3226d Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Fri, 24 Sep 2021 01:00:16 +0300 |
| Subject: smsc95xx: fix stalled rx after link change |
| |
| From: Aaro Koskinen <aaro.koskinen@iki.fi> |
| |
| [ Upstream commit 5ab8a447bcfee1ded709e7ff5dc7608ca9f66ae2 ] |
| |
| After commit 05b35e7eb9a1 ("smsc95xx: add phylib support"), link changes |
| are no longer propagated to usbnet. As a result, rx URB allocation won't |
| happen until there is a packet sent out first (this might never happen, |
| e.g. running just ssh server with a static IP). Fix by triggering usbnet |
| EVENT_LINK_CHANGE. |
| |
| Fixes: 05b35e7eb9a1 ("smsc95xx: add phylib support") |
| Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> |
| Signed-off-by: David S. Miller <davem@davemloft.net> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| drivers/net/usb/smsc95xx.c | 3 +++ |
| 1 file changed, 3 insertions(+) |
| |
| diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c |
| index ea0d5f04dc3a..465e11dcdf12 100644 |
| --- a/drivers/net/usb/smsc95xx.c |
| +++ b/drivers/net/usb/smsc95xx.c |
| @@ -1178,7 +1178,10 @@ static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf) |
| |
| static void smsc95xx_handle_link_change(struct net_device *net) |
| { |
| + struct usbnet *dev = netdev_priv(net); |
| + |
| phy_print_status(net->phydev); |
| + usbnet_defer_kevent(dev, EVENT_LINK_CHANGE); |
| } |
| |
| static int smsc95xx_start_phy(struct usbnet *dev) |
| -- |
| 2.33.0 |
| |