diff options
| author |   Hayes Wang <hayeswang@realtek.com> | 2021-08-06 17:15:56 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-08-07 09:33:22 +0100 |
| commit | 9c40186488145b57f800de120f0872168772adfe (patch) | |
| tree | ae2b305de264ab6619470164cb80e6682a29a8a8 /drivers/net/ethernet/realtek | |
| parent | Revert "r8169: avoid link-up interrupt issue on RTL8106e if user enables ASPM" (diff) | |
| download | linux-dev-9c40186488145b57f800de120f0872168772adfe.tar.xz linux-dev-9c40186488145b57f800de120f0872168772adfe.zip | |
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 <koba.ko@canonical.com>
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/realtek')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169_main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 731631511dcf..4d8e337f5085 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 */ |