Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 41/93] smsc95xx: fix stalled rx after link change | Date | Mon, 4 Oct 2021 14:52:39 +0200 |
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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
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