[PATCH net-next V1 4/4] stmmac: intel: set PCI_D3hot in suspend

From: Ling Pei Lee
Date: Mon Jun 21 2021 - 05:46:40 EST


From: Voon Weifeng <weifeng.voon@xxxxxxxxx>

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

Signed-off-by: Voon Weifeng <weifeng.voon@xxxxxxxxx>
Signed-off-by: Ling Pei Lee <pei.lee.ling@xxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index 73be34a10a4c..69a725b661c2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -1088,6 +1088,7 @@ 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;
}

--
2.25.1