From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Christian Jann <Christian.Jann@elektrobit.com>
Cc: linux-rt-users@vger.kernel.org
Subject: Re: 3.14.3-rt5: at91: Crash early at boot
Date: Thu, 16 Apr 2015 09:50:33 +0200 [thread overview]
Message-ID: <20150416075033.GC26573@linutronix.de> (raw)
In-Reply-To: <loom.20150413T150403-767@post.gmane.org>
* Christian Jann | 2015-04-13 13:37:30 [+0000]:
>Are there any updates concerning the patches or does anybody have some more
>information on how the problem was resolved on the Atmel controller?
>
>I'm encountering the same problem on a Tegra K1 processor with a
>3.10.61-rt65 kernel and I'm unsure what's the best way to fix it.
in general what you want is to mark timer interrupt with IRQF_TIMER and
that should be enough. The at91 has a few problems here. One thing is
that it switches from periodic mode to oneshot and this seems not to
work perfectly. The other thing is that the timer interrupt is shared
with the uart.
>Best regards
>Christian Jann
Sebastian
next prev parent reply other threads:[~2015-04-16 7:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-13 14:25 3.14.3-rt5: at91: Crash early at boot Maxime Ripard
2014-06-13 14:48 ` jordan
2014-06-13 15:28 ` Maxime Ripard
2015-02-17 8:38 ` Sebastian Andrzej Siewior
2015-03-16 18:19 ` Maxime Ripard
2015-03-16 18:30 ` Alexandre Belloni
2015-04-13 13:37 ` Christian Jann
2015-04-16 7:50 ` Sebastian Andrzej Siewior [this message]
2015-04-16 9:55 ` Christian Jann
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