From: Raju Rangoju <Raju.Rangoju@xxxxxxx> commit 7674b7b559b683478c3832527c59bceb169e701d upstream. Ensure to reset the tx_timer_active flag in xgbe_stop(), otherwise a port restart may result in tx timeout due to uncleared flag. Fixes: c635eaacbf77 ("amd-xgbe: Remove Tx coalescing") Co-developed-by: Sudheesh Mavila <sudheesh.mavila@xxxxxxx> Signed-off-by: Sudheesh Mavila <sudheesh.mavila@xxxxxxx> Signed-off-by: Raju Rangoju <Raju.Rangoju@xxxxxxx> Acked-by: Tom Lendacky <thomas.lendacky@xxxxxxx> Link: https://lore.kernel.org/r/20220127060222.453371-1-Raju.Rangoju@xxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -494,7 +494,9 @@ static void xgbe_stop_timers(struct xgbe if (!channel->tx_ring) break; + /* Deactivate the Tx timer */ del_timer_sync(&channel->tx_timer); + channel->tx_timer_active = 0; } } Patches currently in stable-queue which might be from Raju.Rangoju@xxxxxxx are queue-4.9/net-amd-xgbe-ensure-to-reset-the-tx_timer_active-flag.patch