linux-kernel - Re: [PATCH 2/5] mfd: arizona: Disable DCVDD before we destroy the MFD

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Message-ID: <20140617143353.GC29841@lee--X1>
Date:	Tue, 17 Jun 2014 15:33:53 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc:	sameo@...ux.intel.com, patches@...nsource.wolfsonmicro.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/5] mfd: arizona: Disable DCVDD before we destroy the MFD

On Mon, 02 Jun 2014, Charles Keepax wrote:

> As DCVDD is probably supplied by a child of the MFD device move its
> disable to before we destroy the MFD children as the regulator likely
> won't exist after that.
> 
> Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> ---
>  drivers/mfd/arizona-core.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)

Applied, thanks.

> diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
> index 7bdc0f5..48acac6 100644
> --- a/drivers/mfd/arizona-core.c
> +++ b/drivers/mfd/arizona-core.c
> @@ -1026,6 +1026,8 @@ int arizona_dev_exit(struct arizona *arizona)
>  {
>  	pm_runtime_disable(arizona->dev);
>  
> +	regulator_disable(arizona->dcvdd);
> +
>  	mfd_remove_devices(arizona->dev);
>  	arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
>  	arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
> @@ -1033,7 +1035,7 @@ int arizona_dev_exit(struct arizona *arizona)
>  	arizona_irq_exit(arizona);
>  	if (arizona->pdata.reset)
>  		gpio_set_value_cansleep(arizona->pdata.reset, 0);
> -	regulator_disable(arizona->dcvdd);
> +
>  	regulator_bulk_disable(ARRAY_SIZE(arizona->core_supplies),
>  			       arizona->core_supplies);
>  	return 0;

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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