From: David Jander <david@protonic.nl>
To: wg@grandegger.com, mkl@pengutronix.de
Cc: linux-can@vger.kernel.org
Subject: [PATCH 0/3] Decrease likelyhood of RX overruns
Date: Wed, 27 Aug 2014 11:58:04 +0200 [thread overview]
Message-ID: <1409133487-23367-1-git-send-email-david@protonic.nl> (raw)
This patch series actually fixes 3 related issues, greatly improving
resilence under high latency conditions (e.g. non-real-time kernels).
This reduces the likelyhood of receive underruns when many back-to-back
messages are received at high bitrates.
The first patch is actually a fix to a bug that causes overruns being missed.
The second patch swaps the use of the RX FIFO for using the whole MB area
as a receive buffer and off-loading this buffer area directly in the IRQ-
handler.
The last patch is part of the implementation of errata ERR005829 for the
flexcan peripheral in i.MX6 SoCs. The first steps of this errata workaround
are implicitely included in patch 2 already.
David Jander (3):
can: flexcan.c: Correctly initialize mailboxes
can: flexcan.c: Re-write receive path to use MB queue instead of FIFO
can: flexcan.c: Implement last step of workaround for errata ERR005829
next reply other threads:[~2014-08-27 10:19 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-27 9:58 David Jander [this message]
2014-08-27 9:58 ` [PATCH 1/3] can: flexcan.c: Correctly initialize mailboxes David Jander
2014-09-02 10:24 ` Marc Kleine-Budde
2014-09-02 10:37 ` David Jander
2014-09-02 10:59 ` Marc Kleine-Budde
2014-09-02 11:15 ` David Jander
2014-09-02 13:54 ` Marc Kleine-Budde
2014-09-02 14:27 ` David Jander
2014-09-02 11:32 ` David Jander
2014-09-02 11:38 ` Marc Kleine-Budde
2014-09-02 14:53 ` Marc Kleine-Budde
2014-08-27 9:58 ` [PATCH 2/3] can: flexcan.c: Re-write receive path to use MB queue instead of FIFO David Jander
2014-09-02 11:30 ` Marc Kleine-Budde
2014-09-02 12:04 ` David Jander
2014-09-02 14:53 ` Marc Kleine-Budde
2014-09-03 7:19 ` David Jander
2014-09-03 9:12 ` Marc Kleine-Budde
2014-09-03 15:42 ` David Jander
2014-08-27 9:58 ` [PATCH 3/3] can: flexcan.c: Implement last step of workaround for errata ERR005829 David Jander
2014-09-02 11:28 ` Marc Kleine-Budde
2014-09-02 11:36 ` David Jander
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