From: Michael Lawnick <ml.lawnick-Mmb7MZpHnFY@public.gmane.org>
To: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>,
Alexander Sverdlin
<alexander.sverdlin-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
Cc: Nicholas Mc Guire
<hofrat-Q945KHDl0DbYtjvyW6yDsg@public.gmane.org>,
Anders Berg <anders.berg-1wcpHE2jlwO1Z/+hSey0Gg@public.gmane.org>,
"linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Wilshire Jay
<jay.wilshire.ext-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>,
Lawnick Michael
<michael.lawnick-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] i2c: axxia: Add bus recovery functionality
Date: Wed, 13 May 2015 08:19:59 +0200 [thread overview]
Message-ID: <5552ED0F.7000200@gmx.de> (raw)
In-Reply-To: <20150512191211.GC4449-oo5tB6JMkjKRinMKxDlMNPwbnWRJjS81@public.gmane.org>
Am 12.05.2015 um 21:12 schrieb Wolfram Sang:
> Doesn't look right. -EAGAIN means arbitration lost which is not a
> condition to reset the bus in a multi-master setup.
IMHO in multi-master scenario bus recovery is never save. There is need
of higher level synchronization to find out whether any master is active.
--
Michael
next prev parent reply other threads:[~2015-05-13 6:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-28 12:20 [PATCH] i2c: axxia: Add bus recovery functionality Alexander Sverdlin
[not found] ` <553F7B11.5000204-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
2015-05-12 19:12 ` Wolfram Sang
[not found] ` <20150512191211.GC4449-oo5tB6JMkjKRinMKxDlMNPwbnWRJjS81@public.gmane.org>
2015-05-13 6:19 ` Michael Lawnick [this message]
[not found] ` <5552ED0F.7000200-Mmb7MZpHnFY@public.gmane.org>
2015-05-13 6:55 ` Uwe Kleine-König
[not found] ` <20150513065549.GG28888-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2015-05-13 7:20 ` Michael Lawnick
[not found] ` <5552FB50.4000409-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
2015-05-13 7:54 ` Uwe Kleine-König
2015-05-13 8:26 ` Alexander Sverdlin
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