diff options
| author | Chanwoo Choi | 2014-05-09 16:43:11 +0900 |
|---|---|---|
| committer | MyungJoo Ham | 2014-05-24 22:33:48 +0900 |
| commit | 2456963c0b736f4111f9c4517ae12f63d332c312 (patch) | |
| tree | 775794816b9be821f12781ce76a27a29a2926777 /drivers/devfreq/exynos | |
| parent | c1b13d4e54d9777dc68c28503728ea63c6bfff37 (diff) | |
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>
Diffstat (limited to 'drivers/devfreq/exynos')
| -rw-r--r-- | drivers/devfreq/exynos/exynos5_bus.c | 29 |
1 files changed, 8 insertions, 21 deletions
diff --git a/drivers/devfreq/exynos/exynos5_bus.c b/drivers/devfreq/exynos/exynos5_bus.c index ab54a69d09b2..6cd0392e2798 100644 --- a/drivers/devfreq/exynos/exynos5_bus.c +++ b/drivers/devfreq/exynos/exynos5_bus.c @@ -163,21 +163,12 @@ static int exynos5_int_get_dev_status(struct device *dev, return 0; } -static void exynos5_int_exit(struct device *dev) -{ - struct platform_device *pdev = container_of(dev, struct platform_device, - dev); - struct busfreq_data_int *data = platform_get_drvdata(pdev); - - devfreq_unregister_opp_notifier(dev, data->devfreq); -} static struct devfreq_dev_profile exynos5_devfreq_int_profile = { .initial_freq = 160000, .polling_ms = 100, .target = exynos5_busfreq_int_target, .get_dev_status = exynos5_int_get_dev_status, - .exit = exynos5_int_exit, }; static int exynos5250_init_int_tables(struct busfreq_data_int *data) @@ -343,30 +334,27 @@ static int exynos5_busfreq_int_probe(struct platform_device *pdev) busfreq_mon_reset(ppmu_data); - data->devfreq = devfreq_add_device(dev, &exynos5_devfreq_int_profile, + data->devfreq = devm_devfreq_add_device(dev, &exynos5_devfreq_int_profile, "simple_ondemand", NULL); + if (IS_ERR(data->devfreq)) + return PTR_ERR(data->devfreq); - if (IS_ERR(data->devfreq)) { - err = PTR_ERR(data->devfreq); - goto err_devfreq_add; + err = devm_devfreq_register_opp_notifier(dev, data->devfreq); + if (err < 0) { + dev_err(dev, "Failed to register opp notifier\n"); + return err; } - devfreq_register_opp_notifier(dev, data->devfreq); - err = register_pm_notifier(&data->pm_notifier); if (err) { dev_err(dev, "Failed to setup pm notifier\n"); - goto err_devfreq_add; + return err; } /* TODO: Add a new QOS class for int/mif bus */ pm_qos_add_request(&data->int_req, PM_QOS_NETWORK_THROUGHPUT, -1); return 0; - -err_devfreq_add: - devfreq_remove_device(data->devfreq); - return err; } static int exynos5_busfreq_int_remove(struct platform_device *pdev) @@ -375,7 +363,6 @@ static int exynos5_busfreq_int_remove(struct platform_device *pdev) pm_qos_remove_request(&data->int_req); unregister_pm_notifier(&data->pm_notifier); - devfreq_remove_device(data->devfreq); return 0; } |