diff options
Diffstat (limited to 'drivers/net/can/sja1000/sja1000.c')
-rw-r--r-- | drivers/net/can/sja1000/sja1000.c | 108 |
1 files changed, 54 insertions, 54 deletions
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index b689964f182c..571f133a8fec 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); |