From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752897Ab2LPLJ6 (ORCPT ); Sun, 16 Dec 2012 06:09:58 -0500 Received: from mail-wi0-f174.google.com ([209.85.212.174]:58420 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752810Ab2LPLJy (ORCPT ); Sun, 16 Dec 2012 06:09:54 -0500 From: Fabio Baltieri To: Marc Kleine-Budde , linux-can@vger.kernel.org Cc: Kurt Van Dijck , Wolfgang Grandegger , Oliver Hartkopp , linux-kernel@vger.kernel.org, Fabio Baltieri , Bhupesh Sharma , AnilKumar Ch Subject: [PATCH 5/9] can: c_can: add LED trigger support Date: Sun, 16 Dec 2012 12:08:29 +0100 Message-Id: <1355656113-9562-6-git-send-email-fabio.baltieri@gmail.com> X-Mailer: git-send-email 1.7.12.1 In-Reply-To: <1355656113-9562-1-git-send-email-fabio.baltieri@gmail.com> References: <1355656113-9562-1-git-send-email-fabio.baltieri@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for canbus activity led indicators on c_can devices by calling appropriate can_led functions. These are only enabled when CONFIG_CAN_LEDS is Y, becomes no-op otherwise. Cc: Bhupesh Sharma Cc: AnilKumar Ch Cc: Wolfgang Grandegger Cc: Marc Kleine-Budde Signed-off-by: Fabio Baltieri --- drivers/net/can/c_can/c_can.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 5233b8f..57eb1e7 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -39,6 +39,7 @@ #include #include #include +#include #include "c_can.h" @@ -477,6 +478,8 @@ static int c_can_read_msg_object(struct net_device *dev, int iface, int ctrl) stats->rx_packets++; stats->rx_bytes += frame->can_dlc; + can_led_event(dev, CAN_LED_EVENT_RX); + return 0; } @@ -751,6 +754,7 @@ static void c_can_do_tx(struct net_device *dev) C_CAN_IFACE(MSGCTRL_REG, 0)) & IF_MCONT_DLC_MASK; stats->tx_packets++; + can_led_event(dev, CAN_LED_EVENT_TX); c_can_inval_msg_object(dev, 0, msg_obj_no); } else { break; @@ -1115,6 +1119,8 @@ static int c_can_open(struct net_device *dev) napi_enable(&priv->napi); + can_led_event(dev, CAN_LED_EVENT_OPEN); + /* start the c_can controller */ c_can_start(dev); @@ -1143,6 +1149,8 @@ static int c_can_close(struct net_device *dev) c_can_reset_ram(priv, false); c_can_pm_runtime_put_sync(priv); + can_led_event(dev, CAN_LED_EVENT_STOP); + return 0; } @@ -1268,6 +1276,8 @@ int register_c_can_dev(struct net_device *dev) err = register_candev(dev); if (err) c_can_pm_runtime_disable(priv); + else + devm_can_led_init(dev); return err; } -- 1.7.12.1