aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ks8851.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-10-29 04:02:15 -0400
committerIngo Molnar <mingo@elte.hu>2009-10-29 04:02:20 -0400
commit9de09ace8d518141a4375e1d216ab64db4377799 (patch)
treeda8e7a77f4ea91eb3bb73fc6da72ecf8c99e1c16 /drivers/net/ks8851.c
parent1beee96bae0daf7f491356777c3080cc436950f5 (diff)
parent6d3f1e12f46a2f9a1bb7e7aa433df8dd31ce5647 (diff)
Merge branch 'tracing/urgent' into tracing/core
Merge reason: Pick up fixes and move base from -rc1 to -rc5. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 237835864357..a23f739d222f 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)
171} 171}
172 172
173/** 173/**
174 * ks8851_wrreg8 - write 8bit register value to chip
175 * @ks: The chip state
176 * @reg: The register address
177 * @val: The value to write
178 *
179 * Issue a write to put the value @val into the register specified in @reg.
180 */
181static void ks8851_wrreg8(struct ks8851_net *ks, unsigned reg, unsigned val)
182{
183 struct spi_transfer *xfer = &ks->spi_xfer1;
184 struct spi_message *msg = &ks->spi_msg1;
185 __le16 txb[2];
186 int ret;
187 int bit;
188
189 bit = 1 << (reg & 3);
190
191 txb[0] = cpu_to_le16(MK_OP(bit, reg) | KS_SPIOP_WR);
192 txb[1] = val;
193
194 xfer->tx_buf = txb;
195 xfer->rx_buf = NULL;
196 xfer->len = 3;
197
198 ret = spi_sync(ks->spidev, msg);
199 if (ret < 0)
200 ks_err(ks, "spi_sync() failed\n");
201}
202
203/**
174 * ks8851_rx_1msg - select whether to use one or two messages for spi read 204 * ks8851_rx_1msg - select whether to use one or two messages for spi read
175 * @ks: The device structure 205 * @ks: The device structure
176 * 206 *
@@ -322,13 +352,12 @@ static void ks8851_soft_reset(struct ks8851_net *ks, unsigned op)
322static int ks8851_write_mac_addr(struct net_device *dev) 352static int ks8851_write_mac_addr(struct net_device *dev)
323{ 353{
324 struct ks8851_net *ks = netdev_priv(dev); 354 struct ks8851_net *ks = netdev_priv(dev);
325 u16 *mcp = (u16 *)dev->dev_addr; 355 int i;
326 356
327 mutex_lock(&ks->lock); 357 mutex_lock(&ks->lock);
328 358
329 ks8851_wrreg16(ks, KS_MARL, mcp[0]); 359 for (i = 0; i < ETH_ALEN; i++)
330 ks8851_wrreg16(ks, KS_MARM, mcp[1]); 360 ks8851_wrreg8(ks, KS_MAR(i), dev->dev_addr[i]);
331 ks8851_wrreg16(ks, KS_MARH, mcp[2]);
332 361
333 mutex_unlock(&ks->lock); 362 mutex_unlock(&ks->lock);
334 363
@@ -951,7 +980,7 @@ static void ks8851_set_rx_mode(struct net_device *dev)
951 mcptr = mcptr->next; 980 mcptr = mcptr->next;
952 } 981 }
953 982
954 rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXAE | RXCR1_RXPAFMA; 983 rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXPAFMA;
955 } else { 984 } else {
956 /* just accept broadcast / unicast */ 985 /* just accept broadcast / unicast */
957 rxctrl.rxcr1 = RXCR1_RXPAFMA; 986 rxctrl.rxcr1 = RXCR1_RXPAFMA;
@@ -1239,6 +1268,9 @@ static int __devinit ks8851_probe(struct spi_device *spi)
1239 ndev->netdev_ops = &ks8851_netdev_ops; 1268 ndev->netdev_ops = &ks8851_netdev_ops;
1240 ndev->irq = spi->irq; 1269 ndev->irq = spi->irq;
1241 1270
1271 /* issue a global soft reset to reset the device. */
1272 ks8851_soft_reset(ks, GRR_GSR);
1273
1242 /* simple check for a valid chip being connected to the bus */ 1274 /* simple check for a valid chip being connected to the bus */
1243 1275
1244 if ((ks8851_rdreg16(ks, KS_CIDER) & ~CIDER_REV_MASK) != CIDER_ID) { 1276 if ((ks8851_rdreg16(ks, KS_CIDER) & ~CIDER_REV_MASK) != CIDER_ID) {