[PATCH 5.8 025/633] r8169: fix data corruption issue on RTL8402

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From: Heiner Kallweit <hkallweit1@xxxxxxxxx>

[ Upstream commit ef9da46ddef071e1bbb943afbbe9b38771855554 ]

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@xxxxxxx>
Proposed-by: Petr Tesarik <ptesarik@xxxxxxx>
Tested-by: Petr Tesarik <ptesarik@xxxxxxx>
Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/realtek/r8169_main.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -4871,6 +4871,10 @@ static int __maybe_unused rtl8169_resume
 	if (netif_running(tp->dev))
 		__rtl8169_resume(tp);
 
+	/* Reportedly at least Asus X453MA truncates packets otherwise */
+	if (tp->mac_version == RTL_GIGA_MAC_VER_37)
+		rtl_init_rxcfg(tp);
+
 	return 0;
 }
 





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