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authorFrancois Romieu <romieu@fr.zoreil.com>2012-10-05 23:29:10 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-13 05:28:12 +0900
commitda2b1b750acd667cdd23bfd129a5b042e8b49988 (patch)
treeb3002298875eb3531317eb148a70e3df1b4975e4
parent567660504db3899c076acdd7e466b6c1d6d46592 (diff)
r8169: remove erroneous processing of always set bit.
commit e03f33af79f0772156e1a1a1e36bdddf8012b2e4 upstream. When set, RxFOVF (resp. RxBOVF) is always 1 (resp. 0). Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Hayes <hayeswang@realtek.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/r8169.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index fa63283bf1c7..786334e0d0a8 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -388,6 +388,7 @@ enum rtl_register_content {
RxOK = 0x0001,
/* RxStatusDesc */
+ RxBOVF = (1 << 24),
RxFOVF = (1 << 23),
RxRWT = (1 << 22),
RxRES = (1 << 21),
@@ -666,6 +667,7 @@ struct rtl8169_private {
struct mii_if_info mii;
struct rtl8169_counters counters;
u32 saved_wolopts;
+ u32 opts1_mask;
const struct firmware *fw;
#define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN);
@@ -3442,6 +3444,9 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tp->intr_event = cfg->intr_event;
tp->napi_event = cfg->napi_event;
+ tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
+ ~(RxBOVF | RxFOVF) : ~0;
+
init_timer(&tp->timer);
tp->timer.data = (unsigned long) dev;
tp->timer.function = rtl8169_phy_timer;
@@ -4920,7 +4925,7 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
u32 status;
rmb();
- status = le32_to_cpu(desc->opts1);
+ status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
if (status & DescOwn)
break;