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path: root/drivers/net/can/sja1000/sja1000.c
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Diffstat (limited to 'drivers/net/can/sja1000/sja1000.c')
-rw-r--r--drivers/net/can/sja1000/sja1000.c110
1 files changed, 55 insertions, 55 deletions
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 05b38dde648..571f133a8fe 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -89,7 +89,7 @@ static int sja1000_probe_chip(struct net_device *dev)
{
struct sja1000_priv *priv = netdev_priv(dev);
- if (dev->base_addr && (priv->read_reg(dev, 0) == 0xFF)) {
+ if (priv->reg_base && (priv->read_reg(priv, 0) == 0xFF)) {
printk(KERN_INFO "%s: probing @0x%lX failed\n",
DRV_NAME, dev->base_addr);
return 0;
@@ -100,11 +100,11 @@ static int sja1000_probe_chip(struct net_device *dev)
static void set_reset_mode(struct net_device *dev)
{
struct sja1000_priv *priv = netdev_priv(dev);
- unsigned char status = priv->read_reg(dev, REG_MOD);
+ unsigned char status = priv->read_reg(priv, REG_MOD);
int i;
/* disable interrupts */
- priv->write_reg(dev, REG_IER, IRQ_OFF);
+ priv->write_reg(priv, REG_IER, IRQ_OFF);
for (i = 0; i < 100; i++) {
/* check reset bit */
@@ -113,9 +113,9 @@ static void set_reset_mode(struct net_device *dev)
return;
}
- priv->write_reg(dev, REG_MOD, MOD_RM); /* reset chip */
+ priv->write_reg(priv, REG_MOD, MOD_RM); /* reset chip */
udelay(10);
- status = priv->read_reg(dev, REG_MOD);
+ status = priv->read_reg(priv, REG_MOD);
}
dev_err(dev->dev.parent, "setting SJA1000 into reset mode failed!\n");
@@ -124,7 +124,7 @@ static void set_reset_mode(struct net_device *dev)
static void set_normal_mode(struct net_device *dev)
{
struct sja1000_priv *priv = netdev_priv(dev);
- unsigned char status = priv->read_reg(dev, REG_MOD);
+ unsigned char status = priv->read_reg(priv, REG_MOD);
int i;
for (i = 0; i < 100; i++) {
@@ -132,14 +132,14 @@ static void set_normal_mode(struct net_device *dev)
if ((status & MOD_RM) == 0) {
priv->can.state = CAN_STATE_ERROR_ACTIVE;
/* enable all interrupts */
- priv->write_reg(dev, REG_IER, IRQ_ALL);
+ priv->write_reg(priv, REG_IER, IRQ_ALL);
return;
}
/* set chip to normal mode */
- priv->write_reg(dev, REG_MOD, 0x00);
+ priv->write_reg(priv, REG_MOD, 0x00);
udelay(10);
- status = priv->read_reg(dev, REG_MOD);
+ status = priv->read_reg(priv, REG_MOD);
}
dev_err(dev->dev.parent, "setting SJA1000 into normal mode failed!\n");
@@ -154,9 +154,9 @@ static void sja1000_start(struct net_device *dev)
set_reset_mode(dev);
/* Clear error counters and error code capture */
- priv->write_reg(dev, REG_TXERR, 0x0);
- priv->write_reg(dev, REG_RXERR, 0x0);
- priv->read_reg(dev, REG_ECC);
+ priv->write_reg(priv, REG_TXERR, 0x0);
+ priv->write_reg(priv, REG_RXERR, 0x0);
+ priv->read_reg(priv, REG_ECC);
/* leave reset mode */
set_normal_mode(dev);
@@ -198,8 +198,8 @@ static int sja1000_set_bittiming(struct net_device *dev)
dev_info(dev->dev.parent,
"setting BTR0=0x%02x BTR1=0x%02x\n", btr0, btr1);
- priv->write_reg(dev, REG_BTR0, btr0);
- priv->write_reg(dev, REG_BTR1, btr1);
+ priv->write_reg(priv, REG_BTR0, btr0);
+ priv->write_reg(priv, REG_BTR1, btr1);
return 0;
}
@@ -217,20 +217,20 @@ static void chipset_init(struct net_device *dev)
struct sja1000_priv *priv = netdev_priv(dev);
/* set clock divider and output control register */
- priv->write_reg(dev, REG_CDR, priv->cdr | CDR_PELICAN);
+ priv->write_reg(priv, REG_CDR, priv->cdr | CDR_PELICAN);
/* set acceptance filter (accept all) */
- priv->write_reg(dev, REG_ACCC0, 0x00);
- priv->write_reg(dev, REG_ACCC1, 0x00);
- priv->write_reg(dev, REG_ACCC2, 0x00);
- priv->write_reg(dev, REG_ACCC3, 0x00);
+ priv->write_reg(priv, REG_ACCC0, 0x00);
+ priv->write_reg(priv, REG_ACCC1, 0x00);
+ priv->write_reg(priv, REG_ACCC2, 0x00);
+ priv->write_reg(priv, REG_ACCC3, 0x00);
- priv->write_reg(dev, REG_ACCM0, 0xFF);
- priv->write_reg(dev, REG_ACCM1, 0xFF);
- priv->write_reg(dev, REG_ACCM2, 0xFF);
- priv->write_reg(dev, REG_ACCM3, 0xFF);
+ priv->write_reg(priv, REG_ACCM0, 0xFF);
+ priv->write_reg(priv, REG_ACCM1, 0xFF);
+ priv->write_reg(priv, REG_ACCM2, 0xFF);
+ priv->write_reg(priv, REG_ACCM3, 0xFF);
- priv->write_reg(dev, REG_OCR, priv->ocr | OCR_MODE_NORMAL);
+ priv->write_reg(priv, REG_OCR, priv->ocr | OCR_MODE_NORMAL);
}
/*
@@ -261,27 +261,27 @@ static int sja1000_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (id & CAN_EFF_FLAG) {
fi |= FI_FF;
dreg = EFF_BUF;
- priv->write_reg(dev, REG_FI, fi);
- priv->write_reg(dev, REG_ID1, (id & 0x1fe00000) >> (5 + 16));
- priv->write_reg(dev, REG_ID2, (id & 0x001fe000) >> (5 + 8));
- priv->write_reg(dev, REG_ID3, (id & 0x00001fe0) >> 5);
- priv->write_reg(dev, REG_ID4, (id & 0x0000001f) << 3);
+ priv->write_reg(priv, REG_FI, fi);
+ priv->write_reg(priv, REG_ID1, (id & 0x1fe00000) >> (5 + 16));
+ priv->write_reg(priv, REG_ID2, (id & 0x001fe000) >> (5 + 8));
+ priv->write_reg(priv, REG_ID3, (id & 0x00001fe0) >> 5);
+ priv->write_reg(priv, REG_ID4, (id & 0x0000001f) << 3);
} else {
dreg = SFF_BUF;
- priv->write_reg(dev, REG_FI, fi);
- priv->write_reg(dev, REG_ID1, (id & 0x000007f8) >> 3);
- priv->write_reg(dev, REG_ID2, (id & 0x00000007) << 5);
+ priv->write_reg(priv, REG_FI, fi);
+ priv->write_reg(priv, REG_ID1, (id & 0x000007f8) >> 3);
+ priv->write_reg(priv, REG_ID2, (id & 0x00000007) << 5);
}
for (i = 0; i < dlc; i++)
- priv->write_reg(dev, dreg++, cf->data[i]);
+ priv->write_reg(priv, dreg++, cf->data[i]);
stats->tx_bytes += dlc;
dev->trans_start = jiffies;
can_put_echo_skb(skb, dev, 0);
- priv->write_reg(dev, REG_CMR, CMD_TR);
+ priv->write_reg(priv, REG_CMR, CMD_TR);
return 0;
}
@@ -304,22 +304,22 @@ static void sja1000_rx(struct net_device *dev)
skb->dev = dev;
skb->protocol = htons(ETH_P_CAN);
- fi = priv->read_reg(dev, REG_FI);
+ fi = priv->read_reg(priv, REG_FI);
dlc = fi & 0x0F;
if (fi & FI_FF) {
/* extended frame format (EFF) */
dreg = EFF_BUF;
- id = (priv->read_reg(dev, REG_ID1) << (5 + 16))
- | (priv->read_reg(dev, REG_ID2) << (5 + 8))
- | (priv->read_reg(dev, REG_ID3) << 5)
- | (priv->read_reg(dev, REG_ID4) >> 3);
+ id = (priv->read_reg(priv, REG_ID1) << (5 + 16))
+ | (priv->read_reg(priv, REG_ID2) << (5 + 8))
+ | (priv->read_reg(priv, REG_ID3) << 5)
+ | (priv->read_reg(priv, REG_ID4) >> 3);
id |= CAN_EFF_FLAG;
} else {
/* standard frame format (SFF) */
dreg = SFF_BUF;
- id = (priv->read_reg(dev, REG_ID1) << 3)
- | (priv->read_reg(dev, REG_ID2) >> 5);
+ id = (priv->read_reg(priv, REG_ID1) << 3)
+ | (priv->read_reg(priv, REG_ID2) >> 5);
}
if (fi & FI_RTR)
@@ -330,13 +330,13 @@ static void sja1000_rx(struct net_device *dev)
cf->can_id = id;
cf->can_dlc = dlc;
for (i = 0; i < dlc; i++)
- cf->data[i] = priv->read_reg(dev, dreg++);
+ cf->data[i] = priv->read_reg(priv, dreg++);
while (i < 8)
cf->data[i++] = 0;
/* release receive buffer */
- priv->write_reg(dev, REG_CMR, CMD_RRB);
+ priv->write_reg(priv, REG_CMR, CMD_RRB);
netif_rx(skb);
@@ -371,7 +371,7 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
stats->rx_over_errors++;
stats->rx_errors++;
- priv->write_reg(dev, REG_CMR, CMD_CDO); /* clear bit */
+ priv->write_reg(priv, REG_CMR, CMD_CDO); /* clear bit */
}
if (isrc & IRQ_EI) {
@@ -392,7 +392,7 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
priv->can.can_stats.bus_error++;
stats->rx_errors++;
- ecc = priv->read_reg(dev, REG_ECC);
+ ecc = priv->read_reg(priv, REG_ECC);
cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
@@ -426,7 +426,7 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
if (isrc & IRQ_ALI) {
/* arbitration lost interrupt */
dev_dbg(dev->dev.parent, "arbitration lost interrupt\n");
- alc = priv->read_reg(dev, REG_ALC);
+ alc = priv->read_reg(priv, REG_ALC);
priv->can.can_stats.arbitration_lost++;
stats->rx_errors++;
cf->can_id |= CAN_ERR_LOSTARB;
@@ -435,8 +435,8 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
if (state != priv->can.state && (state == CAN_STATE_ERROR_WARNING ||
state == CAN_STATE_ERROR_PASSIVE)) {
- uint8_t rxerr = priv->read_reg(dev, REG_RXERR);
- uint8_t txerr = priv->read_reg(dev, REG_TXERR);
+ uint8_t rxerr = priv->read_reg(priv, REG_RXERR);
+ uint8_t txerr = priv->read_reg(priv, REG_TXERR);
cf->can_id |= CAN_ERR_CRTL;
if (state == CAN_STATE_ERROR_WARNING) {
priv->can.can_stats.error_warning++;
@@ -471,15 +471,15 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
int n = 0;
/* Shared interrupts and IRQ off? */
- if (priv->read_reg(dev, REG_IER) == IRQ_OFF)
+ if (priv->read_reg(priv, REG_IER) == IRQ_OFF)
return IRQ_NONE;
if (priv->pre_irq)
- priv->pre_irq(dev);
+ priv->pre_irq(priv);
- while ((isrc = priv->read_reg(dev, REG_IR)) && (n < SJA1000_MAX_IRQ)) {
+ while ((isrc = priv->read_reg(priv, REG_IR)) && (n < SJA1000_MAX_IRQ)) {
n++;
- status = priv->read_reg(dev, REG_SR);
+ status = priv->read_reg(priv, REG_SR);
if (isrc & IRQ_WUI)
dev_warn(dev->dev.parent, "wakeup interrupt\n");
@@ -494,7 +494,7 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
/* receive interrupt */
while (status & SR_RBS) {
sja1000_rx(dev);
- status = priv->read_reg(dev, REG_SR);
+ status = priv->read_reg(priv, REG_SR);
}
}
if (isrc & (IRQ_DOI | IRQ_EI | IRQ_BEI | IRQ_EPI | IRQ_ALI)) {
@@ -505,7 +505,7 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
}
if (priv->post_irq)
- priv->post_irq(dev);
+ priv->post_irq(priv);
if (n >= SJA1000_MAX_IRQ)
dev_dbg(dev->dev.parent, "%d messages handled in ISR", n);
@@ -532,8 +532,8 @@ static int sja1000_open(struct net_device *dev)
err = request_irq(dev->irq, &sja1000_interrupt, priv->irq_flags,
dev->name, (void *)dev);
if (err) {
- return -EAGAIN;
close_candev(dev);
+ return -EAGAIN;
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-27 15:28:31 +0000