linux-kernel - Re: [PATCH v3 1/4] extcon: arizona: Remove enable/disable of 32k clock

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Date:	Mon, 25 Jan 2016 15:24:13 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
	mturquette@...libre.com, lee.jones@...aro.org
Cc:	sboyd@...eaurora.org, myungjoo.ham@...sung.com,
	devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com
Subject: Re: [PATCH v3 1/4] extcon: arizona: Remove enable/disable of 32k clock

On 2016년 01월 08일 20:29, Charles Keepax wrote:
> The 32k clock is unconditionally enabled by the MFD core so there is no
> need to control it from the extcon device, so this patch removes the
> control of the 32k clock.
> 
> Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> ---
> 
> No changes since v2.
> 
> Thanks,
> Charles
> 
>  drivers/extcon/extcon-arizona.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
> index e4890dd..52d041f 100644
> --- a/drivers/extcon/extcon-arizona.c
> +++ b/drivers/extcon/extcon-arizona.c
> @@ -1571,7 +1571,6 @@ static int arizona_extcon_probe(struct platform_device *pdev)
>  		goto err_micdet;
>  	}
>  
> -	arizona_clk32k_enable(arizona);
>  	regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE,
>  			   ARIZONA_JD1_DB, ARIZONA_JD1_DB);
>  	regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE,
> @@ -1642,7 +1641,6 @@ static int arizona_extcon_remove(struct platform_device *pdev)
>  	cancel_delayed_work_sync(&info->hpdet_work);
>  	regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE,
>  			   ARIZONA_JD1_ENA, 0);
> -	arizona_clk32k_disable(arizona);
>  
>  	return 0;
>  }
> 

Acked-by: Chanwoo Choi <cw00.choi@...sung.com>

If I apply only this patch on extcon tree,
the kernel build error will happen on other tree.
I think that this patch will go on clk tree and
then send pull request of immutable branch.

Thanks,
Chanwoo Choi