From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: "Émeric Vigier"
<emeric.vigier-4ysUXcep3aM1wj+D4I0NRVaTQe2KTcn/@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: how to gracefully unload an i2c driver if chip not detected?
Date: Tue, 9 Apr 2013 11:26:25 +0200 [thread overview]
Message-ID: <20130409092625.GD3624@the-dreams.de> (raw)
In-Reply-To: <35709576.270615.1363618046395.JavaMail.root@mail>
> I recently changed the sensor on my board. Leading to kernel crash
> when entering suspend. Thanks to "no_console_suspend" cmdline
> argument, I found out that the suspend function of the "absent" chip
> gets called. It tries to take a mutex which has been freed in probe's
> "device not found" fallback code. Leading to kernel panic.
Can we have the full driver? The snipplet is not enough.
next prev parent reply other threads:[~2013-04-09 9:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <931575758.126890.1363615027376.JavaMail.root@mail>
2013-03-18 14:47 ` how to gracefully unload an i2c driver if chip not detected? Émeric Vigier
2013-04-09 9:26 ` Wolfram Sang [this message]
[not found] ` <20130409092625.GD3624-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-04-21 3:38 ` Émeric Vigier
2013-04-21 15:48 ` Wolfram Sang
[not found] ` <20130421154832.GA9593-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-04-22 11:18 ` Émeric Vigier
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