PM / devfreq: exynos5: Use devm_devfreq_* function using device resource management
This patch uses devm_devfreq_add_device()/devm_devfreq_register_opp_notifier() to control automatically the resource of devfreq. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Sachin Kamat <sachin.kamat@linaro.org> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Manish Badarkhe <badarkhe.manish@gmail.com> Cc: Abhilash Kesavan <a.kesavan@samsung.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
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@ -163,21 +163,12 @@ static int exynos5_int_get_dev_status(struct device *dev,
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return 0;
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return 0;
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}
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}
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static void exynos5_int_exit(struct device *dev)
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{
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struct platform_device *pdev = container_of(dev, struct platform_device,
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dev);
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struct busfreq_data_int *data = platform_get_drvdata(pdev);
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devfreq_unregister_opp_notifier(dev, data->devfreq);
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}
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static struct devfreq_dev_profile exynos5_devfreq_int_profile = {
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static struct devfreq_dev_profile exynos5_devfreq_int_profile = {
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.initial_freq = 160000,
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.initial_freq = 160000,
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.polling_ms = 100,
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.polling_ms = 100,
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.target = exynos5_busfreq_int_target,
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.target = exynos5_busfreq_int_target,
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.get_dev_status = exynos5_int_get_dev_status,
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.get_dev_status = exynos5_int_get_dev_status,
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.exit = exynos5_int_exit,
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};
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};
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static int exynos5250_init_int_tables(struct busfreq_data_int *data)
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static int exynos5250_init_int_tables(struct busfreq_data_int *data)
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@ -343,30 +334,27 @@ static int exynos5_busfreq_int_probe(struct platform_device *pdev)
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busfreq_mon_reset(ppmu_data);
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busfreq_mon_reset(ppmu_data);
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data->devfreq = devfreq_add_device(dev, &exynos5_devfreq_int_profile,
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data->devfreq = devm_devfreq_add_device(dev, &exynos5_devfreq_int_profile,
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"simple_ondemand", NULL);
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"simple_ondemand", NULL);
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if (IS_ERR(data->devfreq))
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return PTR_ERR(data->devfreq);
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if (IS_ERR(data->devfreq)) {
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err = devm_devfreq_register_opp_notifier(dev, data->devfreq);
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err = PTR_ERR(data->devfreq);
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if (err < 0) {
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goto err_devfreq_add;
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dev_err(dev, "Failed to register opp notifier\n");
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return err;
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}
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}
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devfreq_register_opp_notifier(dev, data->devfreq);
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err = register_pm_notifier(&data->pm_notifier);
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err = register_pm_notifier(&data->pm_notifier);
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if (err) {
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if (err) {
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dev_err(dev, "Failed to setup pm notifier\n");
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dev_err(dev, "Failed to setup pm notifier\n");
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goto err_devfreq_add;
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return err;
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}
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}
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/* TODO: Add a new QOS class for int/mif bus */
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/* TODO: Add a new QOS class for int/mif bus */
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pm_qos_add_request(&data->int_req, PM_QOS_NETWORK_THROUGHPUT, -1);
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pm_qos_add_request(&data->int_req, PM_QOS_NETWORK_THROUGHPUT, -1);
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return 0;
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return 0;
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err_devfreq_add:
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devfreq_remove_device(data->devfreq);
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return err;
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}
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}
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static int exynos5_busfreq_int_remove(struct platform_device *pdev)
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static int exynos5_busfreq_int_remove(struct platform_device *pdev)
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@ -375,7 +363,6 @@ static int exynos5_busfreq_int_remove(struct platform_device *pdev)
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pm_qos_remove_request(&data->int_req);
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pm_qos_remove_request(&data->int_req);
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unregister_pm_notifier(&data->pm_notifier);
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unregister_pm_notifier(&data->pm_notifier);
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devfreq_remove_device(data->devfreq);
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return 0;
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return 0;
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}
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}
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