Commit e80bd76f authored by Heiner Kallweit's avatar Heiner Kallweit Committed by Jakub Kicinski
Browse files

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



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: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/a1c39460-d533-7f9e-fa9d-2b8990b02426@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent cfd82dfc

drivers/net/ethernet/realtek/r8169_main.c

+4 −2
Original line number Diff line number Diff line
@@ -2207,7 +2207,8 @@ 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:
@@ -2233,7 +2234,8 @@ 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: