Add support for canbus activity led indicators on at91_can devices by
calling appropriate can_led functions.
These are only enabled when CONFIG_CAN_LEDS is Y, becomes no-op
otherwise.
Cc: Wolfgang Grandegger <w...@grandegger.com>
Cc: Marc Kleine-Budde <m...@pengutronix.de>
Signed-off-by: Fabio Baltieri <fabio.balti...@gmail.com>
---
drivers/net/can/at91_can.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index fcff73a..b496bff 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -36,6 +36,7 @@
#include <linux/can/dev.h>
#include <linux/can/error.h>
+#include <linux/can/led.h>
#include <mach/board.h>
@@ -642,6 +643,8 @@ static void at91_read_msg(struct net_device *dev, unsigned
int mb)
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
+
+ can_led_event(dev, CAN_LED_EVENT_RX);
}
/**
@@ -876,6 +879,7 @@ static void at91_irq_tx(struct net_device *dev, u32 reg_sr)
/* _NOTE_: subtract AT91_MB_TX_FIRST offset from mb! */
can_get_echo_skb(dev, mb - get_mb_tx_first(priv));
dev->stats.tx_packets++;
+ can_led_event(dev, CAN_LED_EVENT_TX);
}
}
@@ -1129,6 +1133,8 @@ static int at91_open(struct net_device *dev)
goto out_close;
}
+ can_led_event(dev, CAN_LED_EVENT_OPEN);
+
/* start chip and queuing */
at91_chip_start(dev);
napi_enable(&priv->napi);
@@ -1160,6 +1166,8 @@ static int at91_close(struct net_device *dev)
close_candev(dev);
+ can_led_event(dev, CAN_LED_EVENT_STOP);
+
return 0;
}
@@ -1322,6 +1330,8 @@ static int __devinit at91_can_probe(struct
platform_device *pdev)
goto exit_free;
}
+ devm_can_led_init(dev);
+
dev_info(&pdev->dev, "device registered (reg_base=%p, irq=%d)\n",
priv->reg_base, dev->irq);
--
1.7.11.rc1.9.gf623ca1.dirty
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