From 98b2b3ff4f329a5a382029b17c1562c3d2a4229b Mon Sep 17 00:00:00 2001
From: Revanth Kumar Uppala <ruppala@nvidia.com>
Date: Wed, 10 May 2023 22:10:48 +0530
Subject: [PATCH] nvethernet: Skip the device resume via mdio bus

Enable "phydev->mac_managed_pm" so that device
won't be resumed for second time via mdio bus

Bug 4071996

Change-Id: Ib35bc1459bd882a2b940d4f28bd9d2c76719bfc7
Signed-off-by: Revanth Kumar Uppala <ruppala@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2901540
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
---
 drivers/net/ethernet/nvidia/nvethernet/ether_linux.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/nvidia/nvethernet/ether_linux.c b/drivers/net/ethernet/nvidia/nvethernet/ether_linux.c
index a227a514..ce825851 100644
--- a/drivers/net/ethernet/nvidia/nvethernet/ether_linux.c
+++ b/drivers/net/ethernet/nvidia/nvethernet/ether_linux.c
@@ -1231,6 +1231,8 @@ static int ether_phy_init(struct net_device *dev)
 		return -ENODEV;
 	}
 
+	/* Skip the device resume via mdio bus */
+	phydev->mac_managed_pm = true;
 	pdata->phydev = phydev;
 
 	return 0;