From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Markus Pargmann <mpa@pengutronix.de>
Cc: Wolfgang Grandegger <wg@grandegger.com>,
linux-can@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel@pengutronix.de
Subject: Re: [PATCH] can: c_can: Handle lost message before EOB
Date: Mon, 28 Oct 2013 10:08:03 +0100 [thread overview]
Message-ID: <526E2973.6090905@pengutronix.de> (raw)
In-Reply-To: <1382950480-12515-1-git-send-email-mpa@pengutronix.de>
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On 10/28/2013 09:54 AM, Markus Pargmann wrote:
> If we handle end of block messages with higher priority than a lost
> message, we can run into an endless interrupt loop.
>
> This is reproducable with a am335x processor and "cansequence -r" at
> 1Mbit. As soon as we loose a packet we can't escape from a interrupt
> loop.
>
> This patch handles lost packets before EOB packets.
>
> Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Thanks, applied to can.
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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prev parent reply other threads:[~2013-10-28 9:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-28 8:54 [PATCH] can: c_can: Handle lost message before EOB Markus Pargmann
2013-10-28 9:08 ` Marc Kleine-Budde [this message]
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