linux-kernel - Re: [PATCH 1/2] mfd: arizona: Defer patch initialistation until after first device boot

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Message-ID: <20121202234113.GX3176@sortiz-mobl>
Date:	Mon, 3 Dec 2012 00:41:13 +0100
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com
Subject: Re: [PATCH 1/2] mfd: arizona: Defer patch initialistation until
 after first device boot

Hi Mark,

On Sun, Dec 02, 2012 at 11:41:46AM +0900, Mark Brown wrote:
> Make sure that we don't race with the initial device boot by only doing
> the initialisation after we've waited for the boot to complete.
> 
> The runtime PM code already waits for the boot to complete before it
> syncs the register patches so in most systems if a race does occur we will
> power down very soon afterwards and recover anyway.
> 
> Reported-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> ---
>  drivers/mfd/arizona-core.c |   17 ++++++++++++-----
>  1 file changed, 12 insertions(+), 5 deletions(-)
Applied, thanks.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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