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path: root/kernel/drivers/net/can/at91_can.c
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Diffstat (limited to 'kernel/drivers/net/can/at91_can.c')
-rw-r--r--kernel/drivers/net/can/at91_can.c29
1 files changed, 4 insertions, 25 deletions
diff --git a/kernel/drivers/net/can/at91_can.c b/kernel/drivers/net/can/at91_can.c
index f4e40aa4d..8b3275d77 100644
--- a/kernel/drivers/net/can/at91_can.c
+++ b/kernel/drivers/net/can/at91_can.c
@@ -8,15 +8,6 @@
* Public License ("GPL") version 2 as distributed in the 'COPYING'
* file from the main directory of the linux kernel source.
*
- *
- * Your platform definition file should specify something like:
- *
- * static struct at91_can_data ek_can_data = {
- * transceiver_switch = sam9263ek_transceiver_switch,
- * };
- *
- * at91_add_device_can(&ek_can_data);
- *
*/
#include <linux/clk.h>
@@ -33,7 +24,6 @@
#include <linux/spinlock.h>
#include <linux/string.h>
#include <linux/types.h>
-#include <linux/platform_data/atmel.h>
#include <linux/can/dev.h>
#include <linux/can/error.h>
@@ -324,15 +314,6 @@ static inline u32 at91_can_id_to_reg_mid(canid_t can_id)
return reg_mid;
}
-/*
- * Swtich transceiver on or off
- */
-static void at91_transceiver_switch(const struct at91_priv *priv, int on)
-{
- if (priv->pdata && priv->pdata->transceiver_switch)
- priv->pdata->transceiver_switch(on);
-}
-
static void at91_setup_mailboxes(struct net_device *dev)
{
struct at91_priv *priv = netdev_priv(dev);
@@ -416,7 +397,6 @@ static void at91_chip_start(struct net_device *dev)
at91_set_bittiming(dev);
at91_setup_mailboxes(dev);
- at91_transceiver_switch(priv, 1);
/* enable chip */
if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY)
@@ -444,7 +424,6 @@ static void at91_chip_stop(struct net_device *dev, enum can_state state)
reg_mr = at91_read(priv, AT91_MR);
at91_write(priv, AT91_MR, reg_mr & ~AT91_MR_CANEN);
- at91_transceiver_switch(priv, 0);
priv->can.state = state;
}
@@ -577,10 +556,10 @@ static void at91_rx_overflow_err(struct net_device *dev)
cf->can_id |= CAN_ERR_CRTL;
cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
- netif_receive_skb(skb);
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
+ netif_receive_skb(skb);
}
/**
@@ -642,10 +621,10 @@ static void at91_read_msg(struct net_device *dev, unsigned int mb)
}
at91_read_mb(dev, mb, cf);
- netif_receive_skb(skb);
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
+ netif_receive_skb(skb);
can_led_event(dev, CAN_LED_EVENT_RX);
}
@@ -802,10 +781,10 @@ static int at91_poll_err(struct net_device *dev, int quota, u32 reg_sr)
return 0;
at91_poll_err_frame(dev, cf, reg_sr);
- netif_receive_skb(skb);
dev->stats.rx_packets++;
dev->stats.rx_bytes += cf->can_dlc;
+ netif_receive_skb(skb);
return 1;
}
@@ -1067,10 +1046,10 @@ static void at91_irq_err(struct net_device *dev)
return;
at91_irq_err_state(dev, cf, new_state);
- netif_rx(skb);
dev->stats.rx_packets++;
dev->stats.rx_bytes += cf->can_dlc;
+ netif_rx(skb);
priv->can.state = new_state;
}