[PATCH] SiS190/191 half-duplex initialization fix
From: Riccardo Ghetta <hidden>
Date: 2010-02-15 20:19:16
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 <redacted> --- drivers/net/sis190.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c
index 626de76..6f581e7 100644
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c@@ -47,7 +47,7 @@ #define PHY_ID_ANY 0x1f #define MII_REG_ANY 0x1f -#define DRV_VERSION "1.3" +#define DRV_VERSION "1.4" #define DRV_NAME "sis190" #define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION #define PFX DRV_NAME ": "
@@ -294,6 +294,7 @@ struct sis190_private { struct mii_if_info mii_if; struct list_head first_phy; u32 features; + u32 negotiated_lpa; }; struct sis190_phy {
@@ -1004,6 +1005,8 @@ static void sis190_phy_task(struct work_struct *work) SIS_W32(RGDelay, 0x0440); } + tp->negotiated_lpa = p->val; + net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name, p->msg); netif_carrier_on(dev);
@@ -1211,6 +1214,13 @@ static netdev_tx_t sis190_start_xmit(struct sk_buff *skb, wmb(); desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit); + if (tp->negotiated_lpa & (LPA_1000HALF | LPA_100HALF | LPA_10HALF)) + { + /* Half Duplex */ + desc->status |= cpu_to_le32(COLEN | CRSEN | BKFEN); + if (tp->negotiated_lpa & (LPA_1000HALF | LPA_1000FULL)) + desc->status |= cpu_to_le32(EXTEN | BSTEN); /* gigabit HD */ + } tp->cur_tx++;
--
1.6.4.4