net: rtl8169: Add processing when OWNbit did't enable in rtl_recv()

When rtl_recv() of rtl8169 is called, OWNbit of status register
is not enable occasionally.
rtl_recv() doesn't work normally when the driver doesn't do
appropriate processing.
This patch fix this problem.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

diff --git a/drivers/net/rtl8169.c b/drivers/net/rtl8169.c
index d71323f7f41858942b5373bfa04641c96e57d415..d39ac7c4c1bc97b64d1029f4783de8c8196231c6 100644 (file)
--- a/drivers/net/rtl8169.c
+++ b/drivers/net/rtl8169.c
@@ -247,6 +247,15 @@ static struct {
 } rtl_chip_info[] = {
        {"RTL-8169", 0x00, 0xff7e1880,},
        {"RTL-8169", 0x04, 0xff7e1880,},
+       {"RTL-8169", 0x00, 0xff7e1880,},
+       {"RTL-8169s/8110s",     0x02, 0xff7e1880,},
+       {"RTL-8169s/8110s",     0x04, 0xff7e1880,},
+       {"RTL-8169sb/8110sb",   0x10, 0xff7e1880,},
+       {"RTL-8169sc/8110sc",   0x18, 0xff7e1880,},
+       {"RTL-8168b/8111sb",    0x30, 0xff7e1880,},
+       {"RTL-8168b/8111sb",    0x38, 0xff7e1880,},
+       {"RTL-8101e",           0x34, 0xff7e1880,},
+       {"RTL-8100e",           0x32, 0xff7e1880,},
 };
 
 enum _DescStatusBit {
@@ -312,6 +321,7 @@ static const unsigned int rtl8169_rx_config =
     (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
 
 static struct pci_device_id supported[] = {
+       {PCI_VENDOR_ID_REALTEK, 0x8167},
        {PCI_VENDOR_ID_REALTEK, 0x8169},
        {}
 };
@@ -433,6 +443,10 @@ static int rtl_recv(struct eth_device *dev)
                tpc->cur_rx = cur_rx;
                return 1;
 
+       } else {
+               ushort sts = RTL_R8(IntrStatus);
+               RTL_W8(IntrStatus, sts & ~(TxErr | RxErr | SYSErr));
+               udelay(100);    /* wait */
        }
        tpc->cur_rx = cur_rx;
        return (0);             /* initially as this is called to flush the input */