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path: root/drivers/net/ks8851.c
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Diffstat (limited to 'drivers/net/ks8851.c')
-rw-r--r--drivers/net/ks8851.c42
1 files changed, 37 insertions, 5 deletions
diff --git a/drivers/net/ks8851.c b/drivers/net/ks8851.c
index 23783586435..a23f739d222 100644
--- a/drivers/net/ks8851.c
+++ b/drivers/net/ks8851.c
@@ -171,6 +171,36 @@ static void ks8851_wrreg16(struct ks8851_net *ks, unsigned reg, unsigned val)
}
/**
+ * ks8851_wrreg8 - write 8bit register value to chip
+ * @ks: The chip state
+ * @reg: The register address
+ * @val: The value to write
+ *
+ * Issue a write to put the value @val into the register specified in @reg.
+ */
+static void ks8851_wrreg8(struct ks8851_net *ks, unsigned reg, unsigned val)
+{
+ struct spi_transfer *xfer = &ks->spi_xfer1;
+ struct spi_message *msg = &ks->spi_msg1;
+ __le16 txb[2];
+ int ret;
+ int bit;
+
+ bit = 1 << (reg & 3);
+
+ txb[0] = cpu_to_le16(MK_OP(bit, reg) | KS_SPIOP_WR);
+ txb[1] = val;
+
+ xfer->tx_buf = txb;
+ xfer->rx_buf = NULL;
+ xfer->len = 3;
+
+ ret = spi_sync(ks->spidev, msg);
+ if (ret < 0)
+ ks_err(ks, "spi_sync() failed\n");
+}
+
+/**
* ks8851_rx_1msg - select whether to use one or two messages for spi read
* @ks: The device structure
*
@@ -322,13 +352,12 @@ static void ks8851_soft_reset(struct ks8851_net *ks, unsigned op)
static int ks8851_write_mac_addr(struct net_device *dev)
{
struct ks8851_net *ks = netdev_priv(dev);
- u16 *mcp = (u16 *)dev->dev_addr;
+ int i;
mutex_lock(&ks->lock);
- ks8851_wrreg16(ks, KS_MARL, mcp[0]);
- ks8851_wrreg16(ks, KS_MARM, mcp[1]);
- ks8851_wrreg16(ks, KS_MARH, mcp[2]);
+ for (i = 0; i < ETH_ALEN; i++)
+ ks8851_wrreg8(ks, KS_MAR(i), dev->dev_addr[i]);
mutex_unlock(&ks->lock);
@@ -951,7 +980,7 @@ static void ks8851_set_rx_mode(struct net_device *dev)
mcptr = mcptr->next;
}
- rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXAE | RXCR1_RXPAFMA;
+ rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXPAFMA;
} else {
/* just accept broadcast / unicast */
rxctrl.rxcr1 = RXCR1_RXPAFMA;
@@ -1239,6 +1268,9 @@ static int __devinit ks8851_probe(struct spi_device *spi)
ndev->netdev_ops = &ks8851_netdev_ops;
ndev->irq = spi->irq;
+ /* issue a global soft reset to reset the device. */
+ ks8851_soft_reset(ks, GRR_GSR);
+
/* simple check for a valid chip being connected to the bus */
if ((ks8851_rdreg16(ks, KS_CIDER) & ~CIDER_REV_MASK) != CIDER_ID) {