r8169: add bit description for the TxPoll register

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 5d9e75481f42d87234fffd8aa51ecbf0a16fb190..d8862cd84f3de0bb106efa3727e8b09ecb593c6f 100644 (file)
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -250,6 +250,11 @@ enum rtl_register_content {
        CmdTxEnb        = 0x04,
        RxBufEmpty      = 0x01,
 
+       /* TXPoll register p.5 */
+       HPQ             = 0x80,         /* Poll cmd on the high prio queue */
+       NPQ             = 0x40,         /* Poll cmd on the low prio queue */
+       FSWInt          = 0x01,         /* Forced software interrupt */
+
        /* Cfg9346Bits */
        Cfg9346_Lock    = 0x00,
        Cfg9346_Unlock  = 0xc0,
@@ -2405,7 +2410,7 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
        smp_wmb();
 
-       RTL_W8(TxPoll, 0x40);   /* set polling bit */
+       RTL_W8(TxPoll, NPQ);    /* set polling bit */
 
        if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
                netif_stop_queue(dev);