From: Hayes Wang Date: Fri, 6 Aug 2021 09:15:56 +0000 (+0800) Subject: r8169: change the L0/L1 entrance latencies for RTL8106e X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9c40186488145b57f800de120f0872168772adfe;p=linux.git r8169: change the L0/L1 entrance latencies for RTL8106e The original L0 and L1 entrance latencies of RTL8106e are 4us. And they cause the delay of link-up interrupt when enabling ASPM. Change the L0 entrance latency to 7us and L1 entrance latency to 32us. Then, they could avoid the issue. Tested-by: Koba Ko Signed-off-by: Hayes Wang Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 731631511dcf2..4d8e337f5085a 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -3502,6 +3502,9 @@ static void rtl_hw_start_8106(struct rtl8169_private *tp) RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET); RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); + /* The default value is 0x13. Change it to 0x2f */ + rtl_csi_access_enable(tp, 0x2f); + rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000); /* disable EEE */