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Commit 0866cd15 authored by Kai-Heng Feng's avatar Kai-Heng Feng Committed by David S. Miller
Browse files

r8169: enable ASPM on RTL8106E 



The Intel SoC was prevented from entering lower idle state because
of RTL8106E's ASPM was not enabled.

So enable ASPM on RTL8106E (chip version 39).
Now the Intel SoC can enter lower idle state, power consumption and
temperature are much lower.

Signed-off-by: default avatarKai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 94235460

drivers/net/ethernet/realtek/r8169.c

+3 −0
Original line number Diff line number Diff line
@@ -5627,6 +5627,8 @@ static void rtl_hw_start_8402(struct rtl8169_private *tp) 


static void rtl_hw_start_8106(struct rtl8169_private *tp)

{

	rtl_hw_aspm_clkreq_enable(tp, false);



	/* Force LAN exit from ASPM if Rx/Tx are not idle */

	RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);
@@ -5635,6 +5637,7 @@ static void rtl_hw_start_8106(struct rtl8169_private *tp) 
	RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);



	rtl_pcie_state_l2l3_enable(tp, false);

	rtl_hw_aspm_clkreq_enable(tp, true);

}



static void rtl_hw_start_8101(struct rtl8169_private *tp)