From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio Baltieri Subject: [RFC PATCH v2 2/2] can: flexcan: add LED trigger support Date: Mon, 23 Apr 2012 23:02:46 +0200 Message-ID: <1335214966-20478-2-git-send-email-fabio.baltieri@gmail.com> References: <1335214966-20478-1-git-send-email-fabio.baltieri@gmail.com> Return-path: Received: from mail-wi0-f172.google.com ([209.85.212.172]:33705 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753966Ab2DWVBY (ORCPT ); Mon, 23 Apr 2012 17:01:24 -0400 Received: by wibhj6 with SMTP id hj6so3241934wib.1 for ; Mon, 23 Apr 2012 14:01:23 -0700 (PDT) In-Reply-To: <1335214966-20478-1-git-send-email-fabio.baltieri@gmail.com> Sender: linux-can-owner@vger.kernel.org List-ID: To: linux-can@vger.kernel.org Cc: Fabio Baltieri Add support for canbus activity led indicators on flexcan interfaces by calling appropriate can_led_* functions. These are only enabled when CONFIG_CAN_LEDS is Y, becomes no-op otherwise. Signed-off-by: Fabio Baltieri --- drivers/net/can/flexcan.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 1efb083..0e55c4c 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -524,6 +525,8 @@ 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; } @@ -614,6 +617,8 @@ static irqreturn_t flexcan_irq(int irq, void *dev_id) stats->tx_packets++; flexcan_write((1 << FLEXCAN_TX_BUF_ID), ®s->iflag1); netif_wake_queue(dev); + + can_led_event(dev, CAN_LED_EVENT_TX); } return IRQ_HANDLED; @@ -813,6 +818,8 @@ static int flexcan_open(struct net_device *dev) if (err) goto out_close; + can_led_event(dev, CAN_LED_EVENT_OPEN); + /* start chip and queuing */ err = flexcan_chip_start(dev); if (err) @@ -838,6 +845,8 @@ static int flexcan_close(struct net_device *dev) napi_disable(&priv->napi); flexcan_chip_stop(dev); + can_led_event(dev, CAN_LED_EVENT_STOP); + free_irq(dev->irq, dev); clk_disable_unprepare(priv->clk); @@ -1004,6 +1013,8 @@ static int __devinit flexcan_probe(struct platform_device *pdev) goto failed_register; } + can_led_init(dev); + dev_info(&pdev->dev, "device registered (reg_base=%p, irq=%d)\n", priv->base, dev->irq); @@ -1028,6 +1039,8 @@ static int __devexit flexcan_remove(struct platform_device *pdev) struct flexcan_priv *priv = netdev_priv(dev); struct resource *mem; + can_led_exit(dev); + unregister_flexcandev(dev); platform_set_drvdata(pdev, NULL); iounmap(priv->base); -- 1.7.5.1