diff mbox series

[SRU,M/L,2/2] r8169: fix network lost after resume on DASH systems

Message ID 20231130032725.3525-3-aaron.ma@canonical.com
State New
Headers show
Series RTL8111EPP: Fix the network lost after resume with DASH | expand

Commit Message

Aaron Ma Nov. 30, 2023, 3:27 a.m. UTC 
From: ChunHao Lin <hau@realtek.com>

BugLink: https://bugs.launchpad.net/bugs/2043786

Device that support DASH may be reseted or powered off during suspend.
So driver needs to handle DASH during system suspend and resume. Or
DASH firmware will influence device behavior and causes network lost.

Fixes: b646d90053f8 ("r8169: magic.")
Cc: stable@vger.kernel.org
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: ChunHao Lin <hau@realtek.com>
Link: https://lore.kernel.org/r/20231109173400.4573-3-hau@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
(cherry picked from commit 868c3b95afef4883bfb66c9397482da6840b5baf)
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
---
 drivers/net/ethernet/realtek/r8169_main.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index e9c14afd61f1..4aa2fc59923e 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -4666,10 +4666,16 @@  static void rtl8169_down(struct rtl8169_private *tp)
 	rtl8169_cleanup(tp);
 	rtl_disable_exit_l1(tp);
 	rtl_prepare_power_down(tp);
+
+	if (tp->dash_type != RTL_DASH_NONE)
+		rtl8168_driver_stop(tp);
 }
 
 static void rtl8169_up(struct rtl8169_private *tp)
 {
+	if (tp->dash_type != RTL_DASH_NONE)
+		rtl8168_driver_start(tp);
+
 	pci_set_master(tp->pci_dev);
 	phy_init_hw(tp->phydev);
 	phy_resume(tp->phydev);