iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

r8169: change the L0/L1 entrance latencies for RTL8106e

Browse Source 
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 <koba.ko@canonical.com>
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hayes Wang 2021-08-06 17:15:56 +08:00 committed by David S. Miller
parent 2115d3d482
commit 9c40186488
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/ethernet/realtek/r8169_main.c
View File

@ -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 */