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SubjectRe: [PATCH v3 2/4] devfreq: exynos-bus: Extract exynos_bus_profile_init_passive()
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On 12/9/19 7:49 PM, 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@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 b8ca6b9f4b82..19d9f9f8ced2 100644
> --- a/drivers/devfreq/exynos-bus.c
> +++ b/drivers/devfreq/exynos-bus.c
> @@ -345,13 +345,51 @@ 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_passive_data *passive_data;
> + struct devfreq *parent_devfreq;
> + int ret = 0;
> +
> + /* Initialize the struct profile and governor data for passive device */
> + profile->target = exynos_bus_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;
> + }
> +
> + passive_data = devm_kzalloc(dev, sizeof(*passive_data), GFP_KERNEL);
> + if (!passive_data) {
> + ret = -ENOMEM;
> + goto err;
> + }
> + passive_data->parent = parent_devfreq;
> +
> + /* Add devfreq device for exynos bus with passive governor */
> + bus->devfreq = devm_devfreq_add_device(dev, profile, DEVFREQ_GOV_PASSIVE,
> + passive_data);
> + if (IS_ERR(bus->devfreq)) {
> + dev_err(dev,
> + "failed to add devfreq dev with passive governor\n");
> + ret = PTR_ERR(bus->devfreq);
> + goto err;
> + }
> +
> +err:
> + return ret;
> +}
> +
> static int exynos_bus_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> struct device_node *np = dev->of_node, *node;
> struct devfreq_dev_profile *profile;
> - struct devfreq_passive_data *passive_data;
> - struct devfreq *parent_devfreq;
> struct exynos_bus *bus;
> int ret, max_state;
> unsigned long min_freq, max_freq;
> @@ -397,33 +435,9 @@ static int exynos_bus_probe(struct platform_device *pdev)
>
> goto out;
> passive:
> - /* Initialize the struct profile and governor data for passive device */
> - profile->target = exynos_bus_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;
> + ret = exynos_bus_profile_init_passive(bus, profile);
> + if (ret < 0)
> goto err;
> - }
> -
> - passive_data = devm_kzalloc(dev, sizeof(*passive_data), GFP_KERNEL);
> - if (!passive_data) {
> - ret = -ENOMEM;
> - goto err;
> - }
> - passive_data->parent = parent_devfreq;
> -
> - /* Add devfreq device for exynos bus with passive governor */
> - bus->devfreq = devm_devfreq_add_device(dev, profile, DEVFREQ_GOV_PASSIVE,
> - passive_data);
> - if (IS_ERR(bus->devfreq)) {
> - dev_err(dev,
> - "failed to add devfreq dev with passive governor\n");
> - ret = PTR_ERR(bus->devfreq);
> - goto err;
> - }
>
> out:
> max_state = bus->devfreq->profile->max_state;
>

Applied it. Thanks.


--
Best Regards,
Chanwoo Choi
Samsung Electronics

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