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-rw-r--r--drivers/net/can/Kconfig2
-rw-r--r--drivers/net/can/dev.c8
-rw-r--r--drivers/net/can/sja1000/sja1000.c1
3 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index d5e18812bf49..33821a81cbf8 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -36,7 +36,7 @@ config CAN_CALC_BITTIMING
If unsure, say Y.
config CAN_SJA1000
- depends on CAN_DEV
+ depends on CAN_DEV && HAS_IOMEM
tristate "Philips SJA1000"
---help---
Driver for the SJA1000 CAN controllers from Philips or NXP
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 574daddc21bf..9e4283aff828 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -346,7 +346,7 @@ void can_restart(unsigned long data)
skb = dev_alloc_skb(sizeof(struct can_frame));
if (skb == NULL) {
err = -ENOMEM;
- goto out;
+ goto restart;
}
skb->dev = dev;
skb->protocol = htons(ETH_P_CAN);
@@ -361,13 +361,13 @@ void can_restart(unsigned long data)
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
+restart:
dev_dbg(dev->dev.parent, "restarted\n");
priv->can_stats.restarts++;
/* Now restart the device */
err = priv->do_set_mode(dev, CAN_MODE_START);
-out:
netif_carrier_on(dev);
if (err)
dev_err(dev->dev.parent, "Error %d during restart", err);
@@ -473,6 +473,10 @@ int open_candev(struct net_device *dev)
return -EINVAL;
}
+ /* Switch carrier on if device was stopped while in bus-off state */
+ if (!netif_carrier_ok(dev))
+ netif_carrier_on(dev);
+
setup_timer(&priv->restart_timer, can_restart, (unsigned long)dev);
return 0;
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 571f133a8fec..08ebee79d8a6 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -63,7 +63,6 @@
#include <linux/can.h>
#include <linux/can/dev.h>
#include <linux/can/error.h>
-#include <linux/can/dev.h>
#include "sja1000.h"