linux-kernel - Re: [RFC PATCH 02/11] devfreq: exynos-bus: Extract exynos_bus_profile_init

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Date:   Wed, 24 Jul 2019 21:08:51 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Artur Świgoń <a.swigon@...tner.samsung.com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        cw00.choi@...sung.com, myungjoo.ham@...sung.com,
        inki.dae@...sung.com, sw0312.kim@...sung.com,
        georgi.djakov@...aro.org, m.szyprowski@...sung.com
Subject: Re: [RFC PATCH 02/11] devfreq: exynos-bus: Extract
 exynos_bus_profile_init_passive()

On Tue, Jul 23, 2019 at 02:20:07PM +0200, Artur Świgoń wrote:
> This patch adds a new static function, exynos_bus_profile_init_passive(),
> extracted from exynos_bus_probe().
> 
> Signed-off-by: Artur Świgoń <a.swigon@...tner.samsung.com>
> ---
>  drivers/devfreq/exynos-bus.c | 70 +++++++++++++++++++++---------------
>  1 file changed, 42 insertions(+), 28 deletions(-)
> 
> diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
> index d8f1efaf2d49..cf6f6cbd0f55 100644
> --- a/drivers/devfreq/exynos-bus.c
> +++ b/drivers/devfreq/exynos-bus.c
> @@ -430,13 +430,51 @@ static int exynos_bus_profile_init(struct exynos_bus *bus,
>  	return ret;
>  }
>  
> +static int exynos_bus_profile_init_passive(struct exynos_bus *bus,
> +					   struct devfreq_dev_profile *profile)
> +{
> +	struct device *dev = bus->dev;
> +	struct devfreq *parent_devfreq;
> +	struct devfreq_passive_data *passive_data;
> +	int ret = 0;
> +
> +	/* Initialize the struct profile and governor data for passive device */
> +	profile->target = exynos_bus_passive_target;
> +	profile->exit = exynos_bus_passive_exit;
> +
> +	/* Get the instance of parent devfreq device */
> +	parent_devfreq = devfreq_get_devfreq_by_phandle(dev, 0);
> +	if (IS_ERR(parent_devfreq)) {
> +		ret = -EPROBE_DEFER;
> +		goto err;

Same as in previous patch - no need for error goto.

Best regards,
Krzysztof