From: Fabio Baltieri <fabio.baltieri@gmail.com>
To: Fabio Baltieri <fabio.baltieri@gmail.com>,
Oliver Hartkopp <socketcan@hartkopp.net>,
Marc Kleine-Budde <mkl@pengutronix.de>,
linux-can@vger.kernel.org, linux-kernel@vger.kernel.org,
Wolfgang Grandegger <wg@grandegger.com>
Subject: Re: [PATCH can-next v6] can: add tx/rx LED trigger support
Date: Thu, 6 Sep 2012 13:17:39 +0200 [thread overview]
Message-ID: <CABkP77fff7wmZKbT=xbcBkSgLTbjTTzxOpQsWLrHTeG-53KSWQ@mail.gmail.com> (raw)
In-Reply-To: <20120906103248.GA36903@macbook.local>
Hi Kurt,
On Thu, Sep 6, 2012 at 12:33 PM, Kurt Van Dijck <kurt.van.dijck@eia.be> wrote:
> On Tue, Sep 04, 2012 at 10:15:53PM +0200, Fabio Baltieri wrote:
>> On Tue, Sep 04, 2012 at 09:11:28AM +0200, Kurt Van Dijck wrote:
> [...]
>> > > The name of the device can only be changed when the interface is down.
>> > > Is it possible to put some scripting around it to detach and attach the leds
>> > > to the interfaces on ifup/ifdown triggers?
>> >
>> > Are the led triggers available for using while the netdev is down then?
>>
>> Sure! On embedded systems triggers are usually attached to actual LEDs
>> at probe time using default_trigger field of struct led_classdev, and
>> that can be specified both in machine files or in device tree.
>
> I also think that led triggers should be available.
Right, that's why I think the only way is to use device name.
> I asked the question because detach & attach leds to interfaces would
> indeed break that.
Sure? I think that the trigger would be set again on reattach, as
default_trigger is checked both in led_cdev probe and
trigger_register, see:
http://lxr.free-electrons.com/source/drivers/leds/led-triggers.c#L180
I'll try that tonight.
> btw, I tried to send a patch tuesday (my first $ git send-email) using
> netdev notifiers: did you receive it, and what do you think of it?
Sure, I got it! I was planning to try that this weekend but I can
give you some comments earlier tonight... sorry for the dealy!
Fabio
--
Fabio Baltieri
next prev parent reply other threads:[~2012-09-06 11:17 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-30 19:20 [PATCH can-next v3 1/2] can: add tx/rx LED trigger support Fabio Baltieri
2012-07-30 19:20 ` [PATCH can-next v3 2/2] can: flexcan: add " Fabio Baltieri
2012-07-30 21:17 ` [PATCH can-next v3 1/2] can: add tx/rx " Marc Kleine-Budde
2012-07-31 6:57 ` Fabio Baltieri
2012-07-31 7:10 ` Marc Kleine-Budde
2012-07-31 11:57 ` Fabio Baltieri
2012-07-31 12:00 ` Marc Kleine-Budde
2012-07-31 22:05 ` [PATCH can-next v4] " Fabio Baltieri
2012-08-01 9:36 ` Marc Kleine-Budde
2012-08-01 10:07 ` Marc Kleine-Budde
2012-08-01 10:30 ` Fabio Baltieri
2012-08-01 11:37 ` Marc Kleine-Budde
2012-08-01 11:49 ` [PATCH can-next v5 1/2] " Fabio Baltieri
2012-08-01 11:49 ` [PATCH can-next v5 2/2] can: flexcan: add " Fabio Baltieri
2012-08-01 11:53 ` Marc Kleine-Budde
2012-08-01 12:24 ` Fabio Baltieri
2012-08-01 12:30 ` Marc Kleine-Budde
2012-08-01 21:02 ` Marc Kleine-Budde
2012-08-01 11:59 ` [PATCH can-next v5 1/2] can: add tx/rx " Marc Kleine-Budde
2012-08-01 12:06 ` Oliver Hartkopp
2012-08-01 12:18 ` Marc Kleine-Budde
2012-08-01 18:21 ` [PATCH can-next v6] " Fabio Baltieri
2012-08-01 21:00 ` Marc Kleine-Budde
2012-08-01 22:38 ` Fabio Baltieri
2012-08-01 21:05 ` Oliver Hartkopp
2012-08-24 5:10 ` Kurt Van Dijck
2012-08-24 11:28 ` Marc Kleine-Budde
2012-08-24 12:42 ` Kurt Van Dijck
2012-08-24 22:01 ` Fabio Baltieri
2012-08-25 20:25 ` Kurt Van Dijck
2012-09-03 12:40 ` Marc Kleine-Budde
2012-09-03 18:13 ` Kurt Van Dijck
2012-09-03 18:29 ` Fabio Baltieri
2012-09-03 20:54 ` Oliver Hartkopp
2012-09-04 7:11 ` Kurt Van Dijck
2012-09-04 9:29 ` [PATCH] can: rename LED trigger name on netdev renames Kurt Van Dijck
2012-09-06 18:59 ` Fabio Baltieri
2012-09-06 19:31 ` Oliver Hartkopp
2012-09-06 20:46 ` Fabio Baltieri
2012-09-07 7:19 ` Kurt Van Dijck
2012-09-09 16:17 ` [PATCH v2] " Fabio Baltieri
2012-09-10 14:25 ` [PATCH] can: export a safe netdev_priv wrapper for candev Kurt Van Dijck
2012-09-10 18:22 ` Oliver Hartkopp
2012-09-10 18:29 ` Fabio Baltieri
2012-09-10 19:55 ` [PATCH v2] " Kurt Van Dijck
2012-09-10 14:28 ` [PATCH v3] can: rename LED trigger name on netdev renames Kurt Van Dijck
2012-09-10 18:25 ` Oliver Hartkopp
2012-09-10 18:40 ` Fabio Baltieri
2012-09-10 19:01 ` Oliver Hartkopp
2012-09-10 20:08 ` Kurt Van Dijck
2012-09-11 5:42 ` Oliver Hartkopp
2012-09-11 7:13 ` Fabio Baltieri
2012-09-12 7:22 ` Kurt Van Dijck
2012-09-11 8:05 ` Kurt Van Dijck
2012-09-10 20:06 ` [PATCH v4] " Kurt Van Dijck
2012-09-11 21:04 ` Fabio Baltieri
2012-09-04 20:15 ` [PATCH can-next v6] can: add tx/rx LED trigger support Fabio Baltieri
2012-09-06 10:33 ` Kurt Van Dijck
2012-09-06 11:17 ` Fabio Baltieri [this message]
2012-09-06 15:11 ` Kurt Van Dijck
2012-09-06 20:57 ` Fabio Baltieri
2012-09-07 7:04 ` Kurt Van Dijck
2012-09-07 18:59 ` Fabio Baltieri
2012-07-31 8:46 ` [PATCH can-next v3 1/2] " Wolfgang Grandegger
2012-07-31 10:12 ` Marc Kleine-Budde
2012-07-31 11:55 ` Fabio Baltieri
2012-07-31 12:14 ` Fabio Baltieri
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