From: Voon Weifeng <weifeng.voon@intel.com>
Date: Tue, 29 Jun 2021 03:08:59 +0000 (+0800)
Subject: stmmac: intel: set PCI_D3hot in suspend
X-Git-Tag: v5.15~843^2~4^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1dd53a61488d3fd916967fa334e95866637b0b2a;p=platform%2Fkernel%2Flinux-starfive.git

stmmac: intel: set PCI_D3hot in suspend

During suspend, set the Intel mgbe to D3hot state
to save power consumption.

Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ling Pei Lee <pei.lee.ling@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index 689bcd9..8e8778c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -1118,6 +1118,7 @@ static int __maybe_unused intel_eth_pci_suspend(struct device *dev)
 		return ret;
 
 	pci_wake_from_d3(pdev, true);
+	pci_set_power_state(pdev, PCI_D3hot);
 	return 0;
 }