diff options
| author | Fabio Baltieri <fabio.baltieri@gmail.com> | 2012-12-18 17:50:59 (GMT) |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2013-01-26 15:59:00 (GMT) |
| commit | 4723f2b8a12b6170e1835082d8c73fa932306846 (patch) | |
| tree | 9d2f1f429e81e8593f46fda3db45e978ccd75d98 /drivers/net/can/at91_can.c | |
| parent | adccadb92f0571fd0f9b2ac8011057a7de9e3e63 (diff) | |
| download | linux-4723f2b8a12b6170e1835082d8c73fa932306846.tar.xz | |
can: at91_can: add LED trigger support
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 <wg@grandegger.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/at91_can.c')
| -rw-r--r-- | drivers/net/can/at91_can.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index 81baefd..44f3637 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -37,6 +37,7 @@ #include <linux/can/dev.h> #include <linux/can/error.h> +#include <linux/can/led.h> #define AT91_MB_MASK(i) ((1 << (i)) - 1) @@ -641,6 +642,8 @@ 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); } /** @@ -875,6 +878,7 @@ 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); } } @@ -1128,6 +1132,8 @@ 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); @@ -1159,6 +1165,8 @@ static int at91_close(struct net_device *dev) close_candev(dev); + can_led_event(dev, CAN_LED_EVENT_STOP); + return 0; } @@ -1321,6 +1329,8 @@ static int 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); |