linux-kernel - [PATCH 5.4 22/22] r8169: fix resuming from suspend on RTL8105e if machine runs on battery

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Message-Id: <20210308122715.474604148@linuxfoundation.org>
Date:   Mon,  8 Mar 2021 13:30:39 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Armin Wolf <W_Armin@....de>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 5.4 22/22] r8169: fix resuming from suspend on RTL8105e if machine runs on battery

From: Heiner Kallweit <hkallweit1@...il.com>

commit d2a04370817fc7b0172dad2ef2decf907e1a304e upstream.

Armin reported that after referenced commit his RTL8105e is dead when
resuming from suspend and machine runs on battery. This patch has been
confirmed to fix the issue.

Fixes: e80bd76fbf56 ("r8169: work around power-saving bug on some chip versions")
Reported-by: Armin Wolf <W_Armin@....de>
Tested-by: Armin Wolf <W_Armin@....de>
Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/realtek/r8169_main.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -3959,6 +3959,7 @@ static void rtl_pll_power_down(struct rt
 
 	switch (tp->mac_version) {
 	case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26:
+	case RTL_GIGA_MAC_VER_29 ... RTL_GIGA_MAC_VER_30:
 	case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33:
 	case RTL_GIGA_MAC_VER_37:
 	case RTL_GIGA_MAC_VER_39:
@@ -3989,6 +3990,7 @@ static void rtl_pll_power_up(struct rtl8
 {
 	switch (tp->mac_version) {
 	case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26:
+	case RTL_GIGA_MAC_VER_29 ... RTL_GIGA_MAC_VER_30:
 	case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33:
 	case RTL_GIGA_MAC_VER_37:
 	case RTL_GIGA_MAC_VER_39: