From ef9da46ddef071e1bbb943afbbe9b38771855554 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Thu, 1 Oct 2020 09:23:02 +0200 Subject: [PATCH] r8169: fix data corruption issue on RTL8402 Petr reported that after resume from suspend RTL8402 partially truncates incoming packets, and re-initializing register RxConfig before the actual chip re-initialization sequence is needed to avoid the issue. Reported-by: Petr Tesarik Proposed-by: Petr Tesarik Tested-by: Petr Tesarik Signed-off-by: Heiner Kallweit Signed-off-by: David S. Miller --- drivers/net/ethernet/realtek/r8169_main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 4ae1a6fbf0ba..256bc4878ef1 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -4854,6 +4854,10 @@ static int __maybe_unused rtl8169_resume(struct device *device) if (!device_may_wakeup(tp_to_dev(tp))) clk_prepare_enable(tp->clk); + /* Reportedly at least Asus X453MA truncates packets otherwise */ + if (tp->mac_version == RTL_GIGA_MAC_VER_37) + rtl_init_rxcfg(tp); + return rtl8169_net_resume(tp); }