Messages in this thread Patch in this message | | | From | Fabio Baltieri <> | Subject | [PATCH can-next 1/5] can: at91_can: add LED trigger support | Date | Sun, 5 Aug 2012 16:51:46 +0200 |
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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> --- 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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