r8169: revert "Handle rxfifo errors on 8168 chips"

The original patch helps under obscure conditions (no pun) but
some 8168 do not like it. The change needs to be tightened with
a specific 8168 version.

This reverts commit 801e147cde02f04b5c2f42764cd43a89fc7400a2
("r8169: Handle rxfifo errors on 8168 chips").

Regression at https://bugzilla.kernel.org/show_bug.cgi?id=20882

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Andreas Radke <a.radke@arcor.de>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index d88ce9fb1cbd..3a0877e0f97c 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2931,7 +2931,7 @@ static const struct rtl_cfg_info {
                 .hw_start       = rtl_hw_start_8168,
                 .region         = 2,
                 .align          = 8,
-                .intr_event     = SYSErr | RxFIFOOver | LinkChg | RxOverflow |
+                .intr_event     = SYSErr | LinkChg | RxOverflow |
                                   TxErr | TxOK | RxOK | RxErr,
                 .napi_event     = TxErr | TxOK | RxOK | RxOverflow,
                 .features       = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
@@ -4588,7 +4588,8 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
                 }
 
                 /* Work around for rx fifo overflow */
-                if (unlikely(status & RxFIFOOver)) {
+                if (unlikely(status & RxFIFOOver) &&
+                (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
                         netif_stop_queue(dev);
                         rtl8169_tx_timeout(dev);
                         break;