diff options
| author | Fabio Baltieri <fabio.baltieri@gmail.com> | 2012-12-18 18:51:00 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2013-01-26 16:59:00 +0100 |
| commit | d7ff5aae6ce3670afc1e000c08ea238712d70fae (patch) | |
| tree | ca982b2f33b58c94b2b4a9472eb543d51d31ca7c /drivers/net/can/ti_hecc.c | |
| parent | 4723f2b8a12b6170e1835082d8c73fa932306846 (diff) | |
can: ti_hecc: add LED trigger support
Add support for canbus activity led indicators on ti_hecc devices by
calling appropriate can_led functions.
These are only enabled when CONFIG_CAN_LEDS is Y, becomes no-op
otherwise.
Cc: Anant Gole <anantgole@ti.com>
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/ti_hecc.c')
| -rw-r--r-- | drivers/net/can/ti_hecc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index f898c636372..f52a9755fb3 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -50,6 +50,7 @@ #include <linux/can/dev.h> #include <linux/can/error.h> +#include <linux/can/led.h> #include <linux/can/platform/ti_hecc.h> #define DRV_NAME "ti_hecc" @@ -593,6 +594,7 @@ static int ti_hecc_rx_pkt(struct ti_hecc_priv *priv, int mbxno) spin_unlock_irqrestore(&priv->mbx_lock, flags); stats->rx_bytes += cf->can_dlc; + can_led_event(priv->ndev, CAN_LED_EVENT_RX); netif_receive_skb(skb); stats->rx_packets++; @@ -796,6 +798,7 @@ static irqreturn_t ti_hecc_interrupt(int irq, void *dev_id) stats->tx_bytes += hecc_read_mbx(priv, mbxno, HECC_CANMCF) & 0xF; stats->tx_packets++; + can_led_event(ndev, CAN_LED_EVENT_TX); can_get_echo_skb(ndev, mbxno); --priv->tx_tail; } @@ -851,6 +854,8 @@ static int ti_hecc_open(struct net_device *ndev) return err; } + can_led_event(ndev, CAN_LED_EVENT_OPEN); + ti_hecc_start(ndev); napi_enable(&priv->napi); netif_start_queue(ndev); @@ -869,6 +874,8 @@ static int ti_hecc_close(struct net_device *ndev) close_candev(ndev); ti_hecc_transceiver_switch(priv, 0); + can_led_event(ndev, CAN_LED_EVENT_STOP); + return 0; } @@ -961,6 +968,9 @@ static int ti_hecc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "register_candev() failed\n"); goto probe_exit_clk; } + + devm_can_led_init(ndev); + dev_info(&pdev->dev, "device registered (reg_base=%p, irq=%u)\n", priv->base, (u32) ndev->irq); |