From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v4 11/16] PM / devfreq: tegra: Move governor registration to driver's probe
Date: Thu, 2 May 2019 02:38:10 +0300 [thread overview]
Message-ID: <20190501233815.32643-12-digetx@gmail.com> (raw)
In-Reply-To: <20190501233815.32643-1-digetx@gmail.com>
There is no need to register the ACTMON's governor separately from
the driver, hence let's move the registration into the driver's probe
function for consistency and to make code cleaner a tad.
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/devfreq/tegra-devfreq.c | 43 +++++++++------------------------
1 file changed, 12 insertions(+), 31 deletions(-)
diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c
index 65b3a7c72293..40ce9881f144 100644
--- a/drivers/devfreq/tegra-devfreq.c
+++ b/drivers/devfreq/tegra-devfreq.c
@@ -695,6 +695,12 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
goto remove_opps;
}
+ err = devfreq_add_governor(&tegra_devfreq_governor);
+ if (err) {
+ dev_err(&pdev->dev, "Failed to add governor: %d\n", err);
+ goto unreg_notifier;
+ }
+
tegra_devfreq_profile.initial_freq = clk_get_rate(tegra->emc_clock);
tegra->devfreq = devfreq_add_device(&pdev->dev,
&tegra_devfreq_profile,
@@ -702,7 +708,7 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
NULL);
if (IS_ERR(tegra->devfreq)) {
err = PTR_ERR(tegra->devfreq);
- goto unreg_notifier;
+ goto remove_governor;
}
err = devm_request_threaded_irq(&pdev->dev, tegra->irq, NULL,
@@ -718,6 +724,9 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
remove_devfreq:
devfreq_remove_device(tegra->devfreq);
+remove_governor:
+ devfreq_remove_governor(&tegra_devfreq_governor);
+
unreg_notifier:
clk_notifier_unregister(tegra->emc_clock, &tegra->rate_change_nb);
@@ -735,6 +744,7 @@ static int tegra_devfreq_remove(struct platform_device *pdev)
struct tegra_devfreq *tegra = platform_get_drvdata(pdev);
devfreq_remove_device(tegra->devfreq);
+ devfreq_remove_governor(&tegra_devfreq_governor);
clk_notifier_unregister(tegra->emc_clock, &tegra->rate_change_nb);
dev_pm_opp_remove_all_dynamic(&pdev->dev);
@@ -760,36 +770,7 @@ static struct platform_driver tegra_devfreq_driver = {
.of_match_table = tegra_devfreq_of_match,
},
};
-
-static int __init tegra_devfreq_init(void)
-{
- int ret = 0;
-
- ret = devfreq_add_governor(&tegra_devfreq_governor);
- if (ret) {
- pr_err("%s: failed to add governor: %d\n", __func__, ret);
- return ret;
- }
-
- ret = platform_driver_register(&tegra_devfreq_driver);
- if (ret)
- devfreq_remove_governor(&tegra_devfreq_governor);
-
- return ret;
-}
-module_init(tegra_devfreq_init)
-
-static void __exit tegra_devfreq_exit(void)
-{
- int ret = 0;
-
- platform_driver_unregister(&tegra_devfreq_driver);
-
- ret = devfreq_remove_governor(&tegra_devfreq_governor);
- if (ret)
- pr_err("%s: failed to remove governor: %d\n", __func__, ret);
-}
-module_exit(tegra_devfreq_exit)
+module_platform_driver(tegra_devfreq_driver);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Tegra devfreq driver");
--
2.21.0
next prev parent reply other threads:[~2019-05-01 23:42 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190501234148epcas5p1cc9a8dafa9ee6d8d046d1292b8270727@epcas5p1.samsung.com>
2019-05-01 23:37 ` [PATCH v4 00/16] NVIDIA Tegra devfreq improvements and Tegra20/30 support Dmitry Osipenko
2019-05-01 23:38 ` [PATCH v4 01/16] PM / devfreq: tegra: Fix kHz to Hz conversion Dmitry Osipenko
2019-06-04 10:54 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 02/16] PM / devfreq: tegra: Replace readl-writel with relaxed versions Dmitry Osipenko
2019-06-04 10:55 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 03/16] PM / devfreq: tegra: Replace write memory barrier with the read barrier Dmitry Osipenko
2019-06-04 10:56 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 04/16] PM / devfreq: tegra: Don't ignore clk errors Dmitry Osipenko
2019-06-04 10:57 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 05/16] PM / devfreq: tegra: Don't set EMC clock rate to maximum on probe Dmitry Osipenko
2019-06-04 11:00 ` Thierry Reding
2019-06-04 13:05 ` Dmitry Osipenko
2019-05-01 23:38 ` [PATCH v4 06/16] PM / devfreq: tegra: Drop primary interrupt handler Dmitry Osipenko
2019-06-04 11:02 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 07/16] PM / devfreq: tegra: Properly disable interrupts Dmitry Osipenko
2019-06-04 11:07 ` Thierry Reding
2019-06-04 13:40 ` Dmitry Osipenko
2019-06-04 14:06 ` Thierry Reding
2019-06-04 14:59 ` Dmitry Osipenko
2019-06-04 22:55 ` Dmitry Osipenko
2019-06-07 16:58 ` Dmitry Osipenko
2019-05-01 23:38 ` [PATCH v4 08/16] PM / devfreq: tegra: Clean up driver's probe / remove Dmitry Osipenko
2019-06-04 11:09 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 09/16] PM / devfreq: tegra: Avoid inconsistency of current frequency value Dmitry Osipenko
2019-06-04 11:14 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 10/16] PM / devfreq: tegra: Mark ACTMON's governor as immutable Dmitry Osipenko
2019-06-04 11:15 ` Thierry Reding
2019-05-01 23:38 ` Dmitry Osipenko [this message]
2019-06-04 11:15 ` [PATCH v4 11/16] PM / devfreq: tegra: Move governor registration to driver's probe Thierry Reding
2019-05-01 23:38 ` [PATCH v4 12/16] PM / devfreq: tegra: Reconfigure hardware on governor's restart Dmitry Osipenko
2019-06-04 11:17 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 13/16] PM / devfreq: tegra: Support Tegra30 Dmitry Osipenko
2019-06-04 11:18 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 14/16] PM / devfreq: tegra: Enable COMPILE_TEST for the driver Dmitry Osipenko
2019-06-04 11:20 ` Thierry Reding
2019-06-04 13:53 ` Dmitry Osipenko
2019-06-04 14:10 ` Thierry Reding
2019-06-04 14:18 ` Thierry Reding
2019-06-04 14:41 ` Dmitry Osipenko
2019-06-04 14:50 ` Thierry Reding
2019-06-04 15:15 ` Dmitry Osipenko
2019-05-01 23:38 ` [PATCH v4 15/16] PM / devfreq: tegra: Rename tegra-devfreq.c to tegra30-devfreq.c Dmitry Osipenko
2019-06-04 11:23 ` Thierry Reding
2019-06-04 14:35 ` Dmitry Osipenko
2019-05-01 23:38 ` [PATCH v4 16/16] PM / devfreq: Introduce driver for NVIDIA Tegra20 Dmitry Osipenko
2019-06-04 11:25 ` Thierry Reding
2019-06-04 13:57 ` Dmitry Osipenko
2019-05-03 0:31 ` [PATCH v4 00/16] NVIDIA Tegra devfreq improvements and Tegra20/30 support Chanwoo Choi
2019-05-03 0:52 ` Dmitry Osipenko
2019-06-03 16:52 ` Dmitry Osipenko
2019-06-04 0:49 ` Chanwoo Choi
2019-06-04 23:09 ` Dmitry Osipenko
2019-06-23 17:17 ` Dmitry Osipenko
2019-06-23 23:50 ` Chanwoo Choi
2019-06-24 0:35 ` Dmitry Osipenko
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