Noticed with the 8168d (-vb-gr, aka RTL_GIGA_MAC_VER_26).
ConfigX registers should only be written while the Config9346 lock
is held.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Reported-by: Nick Bowler <redacted>
Cc: Hayes Wang <redacted>
---
drivers/net/ethernet/realtek/r8169.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 7a0c800..1adf177 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -3781,12 +3781,20 @@ static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
{
+ void __iomem *ioaddr = tp->mmio_addr;
+
+ RTL_W8(Cfg9346, Cfg9346_Unlock);
rtl_generic_op(tp, tp->jumbo_ops.enable);
+ RTL_W8(Cfg9346, Cfg9346_Lock);
}
static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
{
+ void __iomem *ioaddr = tp->mmio_addr;
+
+ RTL_W8(Cfg9346, Cfg9346_Unlock);
rtl_generic_op(tp, tp->jumbo_ops.disable);
+ RTL_W8(Cfg9346, Cfg9346_Lock);
}
static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)--
1.7.7.6