SiS190/191 half-duplex initialization fix
Adds half-duplex specific setup code (taken from SiS own GPL driver). Without those, half-duplex connections are very unreliable, often working on small transfers and failing after a while. Signed-off-by: Riccardo Ghetta <birrachiara@tin.it> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -47,7 +47,7 @@
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#define PHY_ID_ANY 0x1f
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#define MII_REG_ANY 0x1f
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#define DRV_VERSION "1.3"
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#define DRV_VERSION "1.4"
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#define DRV_NAME "sis190"
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#define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION
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#define PFX DRV_NAME ": "
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@ -294,6 +294,7 @@ struct sis190_private {
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struct mii_if_info mii_if;
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struct list_head first_phy;
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u32 features;
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u32 negotiated_lpa;
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};
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struct sis190_phy {
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@ -1004,6 +1005,8 @@ static void sis190_phy_task(struct work_struct *work)
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SIS_W32(RGDelay, 0x0440);
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}
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tp->negotiated_lpa = p->val;
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net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name,
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p->msg);
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netif_carrier_on(dev);
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@ -1211,6 +1214,12 @@ static netdev_tx_t sis190_start_xmit(struct sk_buff *skb,
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wmb();
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desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit);
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if (tp->negotiated_lpa & (LPA_1000HALF | LPA_100HALF | LPA_10HALF)) {
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/* Half Duplex */
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desc->status |= cpu_to_le32(COLEN | CRSEN | BKFEN);
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if (tp->negotiated_lpa & (LPA_1000HALF | LPA_1000FULL))
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desc->status |= cpu_to_le32(EXTEN | BSTEN); /* gigabit HD */
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}
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tp->cur_tx++;
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