diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2014-03-18 18:19:15 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2014-04-01 11:55:02 +0200 |
| commit | b1d8e431bd5639c03ff99d08fd2d5d621969bdc5 (patch) | |
| tree | 198ba84b0bb5735de9818244a0d9531583cb9f0c /drivers | |
| parent | can: c_can: Simplify TX interrupt cleanup (diff) | |
| download | linux-b1d8e431bd5639c03ff99d08fd2d5d621969bdc5.tar.xz linux-b1d8e431bd5639c03ff99d08fd2d5d621969bdc5.zip | |
can: c_can: Avoid led toggling for every packet.
There is no point to toggle the RX led for every packet. Especially if
we have a full FIFO we want to avoid everything we can.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/can/c_can/c_can.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 42c038d523c9..01dc4941e3d0 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -433,9 +433,6 @@ 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; } @@ -901,6 +898,10 @@ static int c_can_do_rx_poll(struct net_device *dev, int quota) pkts += n; quota -= n; } + + if (pkts) + can_led_event(dev, CAN_LED_EVENT_RX); + return pkts; } |