提交 5f6961e5 编写于 作者: H Heiner Kallweit 提交者: Yang Yingliang

r8169: work around power-saving bug on some chip versions

[ Upstream commit e80bd76f ]

A user reported failing network with RTL8168dp (a quite rare chip
version). Realtek confirmed that few chip versions suffer from a PLL
power-down hw bug.

Fixes: 07df5bd8 ("r8169: power down chip in probe")
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/a1c39460-d533-7f9e-fa9d-2b8990b02426@gmail.comSigned-off-by: NJakub Kicinski <kuba@kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
上级 1dee2fd0
...@@ -4237,7 +4237,8 @@ static void r8168_pll_power_down(struct rtl8169_private *tp) ...@@ -4237,7 +4237,8 @@ static void r8168_pll_power_down(struct rtl8169_private *tp)
return; return;
switch (tp->mac_version) { switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33: case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26:
case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33:
case RTL_GIGA_MAC_VER_37: case RTL_GIGA_MAC_VER_37:
case RTL_GIGA_MAC_VER_39: case RTL_GIGA_MAC_VER_39:
case RTL_GIGA_MAC_VER_43: case RTL_GIGA_MAC_VER_43:
...@@ -4263,7 +4264,8 @@ static void r8168_pll_power_down(struct rtl8169_private *tp) ...@@ -4263,7 +4264,8 @@ static void r8168_pll_power_down(struct rtl8169_private *tp)
static void r8168_pll_power_up(struct rtl8169_private *tp) static void r8168_pll_power_up(struct rtl8169_private *tp)
{ {
switch (tp->mac_version) { switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33: case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26:
case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33:
case RTL_GIGA_MAC_VER_37: case RTL_GIGA_MAC_VER_37:
case RTL_GIGA_MAC_VER_39: case RTL_GIGA_MAC_VER_39:
case RTL_GIGA_MAC_VER_43: case RTL_GIGA_MAC_VER_43:
......
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