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

[ Upstream commit e80bd76fbf563cc7ed8c9e9f3bbcdf59b0897f69 ]

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: 07df5bd874f0 ("r8169: power down chip in probe")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/a1c39460-d533-7f9e-fa9d-2b8990b02426@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index fd5adb0c54d2982035b175bdadec385f2407518c..366ca1b5da5cce2877cbfd81fe1c5055f6428978 100644 (file)
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -3958,7 +3958,8 @@ static void rtl_pll_power_down(struct rtl8169_private *tp)
        }
 
        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_39:
        case RTL_GIGA_MAC_VER_43:
@@ -3987,7 +3988,8 @@ static void rtl_pll_power_down(struct rtl8169_private *tp)
 static void rtl_pll_power_up(struct rtl8169_private *tp)
 {
        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_39:
        case RTL_GIGA_MAC_VER_43: