linux-kernel - Re: [PATCH 2/2] mfd: arizona: Destroy regulators after the other MFD cells

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Date:	Tue, 17 Jun 2014 15:54:20 +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 2/2] mfd: arizona: Destroy regulators after the other MFD
 cells

On Mon, 02 Jun 2014, Charles Keepax wrote:

> Several of the cells depend on the regulators provided by the
> arizona-micsupp and arizona-ldo1 cells. As such use the new remove_level
> feature of the MFD core to ensure the regulators are destroyed after all
> the other cells.
> 
> Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> ---
>  drivers/mfd/arizona-core.c |   20 ++++++++++++++++----
>  1 files changed, 16 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
> index 51c0110..76248bc 100644
> --- a/drivers/mfd/arizona-core.c
> +++ b/drivers/mfd/arizona-core.c
> @@ -570,7 +570,10 @@ static inline int arizona_of_get_core_pdata(struct arizona *arizona)
>  #endif
>  
>  static const struct mfd_cell early_devs[] = {
> -	{ .name = "arizona-ldo1" },
> +	{
> +		.name = "arizona-ldo1",
> +		.remove_level = 1,
> +	},
>  };

Not keen on this approach at all.

+1 for the new reverse-probe-helpers.

[...]

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