linux-kernel - Re: [PATCH] i2c: qup: skip qup_i2c_suspend if the device is already runtime suspended

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Date:   Wed, 14 Sep 2016 12:33:07 -0500
From:   Andy Gross <andy.gross@...aro.org>
To:     Sudeep Holla <sudeep.holla@....com>
Cc:     linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-soc@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        David Brown <david.brown@...aro.org>,
        Wolfram Sang <wsa@...-dreams.de>
Subject: Re: [PATCH] i2c: qup: skip qup_i2c_suspend if the device is already
 runtime suspended

On Thu, Aug 25, 2016 at 12:23:39PM +0100, Sudeep Holla wrote:
> If the i2c device is already runtime suspended, if qup_i2c_suspend is
> executed during suspend-to-idle or suspend-to-ram it will result in the
> following splat:
> 
<snip>
> 
> This patch fixes the issue by executing qup_i2c_pm_suspend_runtime
> conditionally in qup_i2c_suspend.
> 
> Cc: Andy Gross <andy.gross@...aro.org>
> Cc: David Brown <david.brown@...aro.org>
> Cc: Wolfram Sang <wsa@...-dreams.de>
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>

Reviewed-by: Andy Gross <andy.gross@...ro.org>