From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio Baltieri Subject: [PATCH can-next v5 2/2] can: flexcan: add LED trigger support Date: Wed, 1 Aug 2012 13:49:42 +0200 Message-ID: <1343821782-1346-2-git-send-email-fabio.baltieri@gmail.com> References: <5018F8B3.6080404@pengutronix.de> <1343821782-1346-1-git-send-email-fabio.baltieri@gmail.com> Return-path: In-Reply-To: <1343821782-1346-1-git-send-email-fabio.baltieri@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-can@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Fabio Baltieri , Oliver Hartkopp , Wolfgang Grandegger , Marc Kleine-Budde List-Id: linux-can.vger.kernel.org Add support for canbus activity led indicators on flexcan devices by calling appropriate can_led_* functions. These are only enabled when CONFIG_CAN_LEDS is Y, becomes no-op otherwise. Cc: Oliver Hartkopp Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Signed-off-by: Fabio Baltieri --- drivers/net/can/flexcan.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index c5f1431..6467fc1 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -547,6 +548,8 @@ static int flexcan_read_frame(struct net_device *dev) stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + can_led_event(dev, CAN_LED_EVENT_RX); + return 1; } @@ -635,6 +638,7 @@ static irqreturn_t flexcan_irq(int irq, void *dev_id) if (reg_iflag1 & (1 << FLEXCAN_TX_BUF_ID)) { stats->tx_bytes += can_get_echo_skb(dev, 0); stats->tx_packets++; + can_led_event(dev, CAN_LED_EVENT_TX); flexcan_write((1 << FLEXCAN_TX_BUF_ID), ®s->iflag1); netif_wake_queue(dev); } @@ -844,6 +848,9 @@ static int flexcan_open(struct net_device *dev) err = flexcan_chip_start(dev); if (err) goto out_close; + + can_led_event(dev, CAN_LED_EVENT_OPEN); + napi_enable(&priv->napi); netif_start_queue(dev); @@ -872,6 +879,8 @@ static int flexcan_close(struct net_device *dev) close_candev(dev); + can_led_event(dev, CAN_LED_EVENT_STOP); + return 0; } @@ -1068,6 +1077,8 @@ static int __devinit flexcan_probe(struct platform_device *pdev) goto failed_register; } + devm_can_led_init(dev); + dev_info(&pdev->dev, "device registered (reg_base=%p, irq=%d)\n", priv->base, dev->irq); -- 1.7.11.rc1.9.gf623ca1.dirty