From ef9da46ddef071e1bbb943afbbe9b38771855554 Mon Sep 17 00:00:00 2001
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Thu, 1 Oct 2020 09:23:02 +0200
Subject: [PATCH] r8169: fix data corruption issue on RTL8402
Git-commit: ef9da46ddef071e1bbb943afbbe9b38771855554
Patch-mainline: v5.9
References: bsc#1174098
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 <ptesarik@suse.cz>
Proposed-by: Petr Tesarik <ptesarik@suse.cz>
Tested-by: Petr Tesarik <ptesarik@suse.cz>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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);
}
--
2.16.4