linux-kernel - Re: [PATCH v2 1/5] i2c: Don't start transfers when suspended

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Message-ID: <20140919171818.GA2874@katana>
Date:	Fri, 19 Sep 2014 19:18:18 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Bastian Hecht <hechtb@...il.com>
Cc:	linux-i2c@...r.kernel.org, Linux-SH <linux-sh@...r.kernel.org>,
	Tomoya MORINAGA <tomoya.rohm@...il.com>,
	linux-arm-kernel@...ts.infradead.org,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/5] i2c: Don't start transfers when suspended

On Thu, Jul 17, 2014 at 04:48:36PM +0200, Bastian Hecht wrote:
> i2c transfer requests come in very uncontrolled, like from interrupt routines.
> We might be suspended when this happens. To avoid i2c timeouts caused by
> powered down busses we check for suspension.
> 
> Several bus drivers handle this problem on their own. We can clean things up
> by moving the protection mechanism into the core.
> 
> Signed-off-by: Bastian Hecht <hechtb@...il.com>

Dropping this series due to the comments. I am not sure if it is worth
to add information about the clients being "normally" suspendable or
not. Thanks Bastian for the effort, though.

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