From: ilia.lin@gmail.com
To: ilia.lin@gmail.com
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Viresh Kumar <viresh.kumar@linaro.org>,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3] cpufreq: kryo: Add module remove and exit
Date: Sun, 17 Jun 2018 22:01:46 +0200 [thread overview]
Message-ID: <20180617200146.16425-1-ilia.lin@gmail.com> (raw)
In-Reply-To: <20180614204212.2028-1-ilia.lin@gmail.com>
From: Ilia Lin <ilia.lin@gmail.com>
Add device remove and module exit code to make the driver
functioning as a loadable module.
Fixes: ac28927659be (cpufreq: kryo: allow building as a loadable module)
Signed-off-by: Ilia Lin <ilia.lin@gmail.com>
---
drivers/cpufreq/qcom-cpufreq-kryo.c | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
index 74b9b93d511b..01bddacf5c3b 100644
--- a/drivers/cpufreq/qcom-cpufreq-kryo.c
+++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
@@ -42,6 +42,8 @@ enum _msm8996_version {
NUM_OF_MSM8996_VERSIONS,
};
+struct platform_device *cpufreq_dt_pdev, *kryo_cpufreq_pdev;
+
static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
{
size_t len;
@@ -74,7 +76,6 @@ static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
{
struct opp_table *opp_tables[NR_CPUS] = {0};
- struct platform_device *cpufreq_dt_pdev;
enum _msm8996_version msm8996_version;
struct nvmem_cell *speedbin_nvmem;
struct device_node *np;
@@ -165,8 +166,15 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
return ret;
}
+static int qcom_cpufreq_kryo_remove(struct platform_device *pdev)
+{
+ platform_device_unregister(cpufreq_dt_pdev);
+ return 0;
+}
+
static struct platform_driver qcom_cpufreq_kryo_driver = {
.probe = qcom_cpufreq_kryo_probe,
+ .remove = qcom_cpufreq_kryo_remove,
.driver = {
.name = "qcom-cpufreq-kryo",
},
@@ -201,8 +209,9 @@ static int __init qcom_cpufreq_kryo_init(void)
if (unlikely(ret < 0))
return ret;
- ret = PTR_ERR_OR_ZERO(platform_device_register_simple(
- "qcom-cpufreq-kryo", -1, NULL, 0));
+ kryo_cpufreq_pdev = platform_device_register_simple(
+ "qcom-cpufreq-kryo", -1, NULL, 0);
+ ret = PTR_ERR_OR_ZERO(kryo_cpufreq_pdev);
if (0 == ret)
return 0;
@@ -211,5 +220,12 @@ static int __init qcom_cpufreq_kryo_init(void)
}
module_init(qcom_cpufreq_kryo_init);
+static void __init qcom_cpufreq_kryo_exit(void)
+{
+ platform_device_unregister(kryo_cpufreq_pdev);
+ platform_driver_unregister(&qcom_cpufreq_kryo_driver);
+}
+module_exit(qcom_cpufreq_kryo_exit);
+
MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Kryo CPUfreq driver");
MODULE_LICENSE("GPL v2");
--
2.11.0
next prev parent reply other threads:[~2018-06-17 20:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-07 20:58 [PATCH] cpufreq: kryo: Add module remove and exit ilia.lin
2018-06-08 4:29 ` Viresh Kumar
2018-06-14 20:42 ` [PATCH v2] " ilia.lin
2018-06-15 2:45 ` Viresh Kumar
2018-06-17 20:01 ` ilia.lin [this message]
2018-06-18 4:55 ` [PATCH v3] " Viresh Kumar
2018-06-21 13:23 ` Rafael J. Wysocki
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