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path: root/drivers/cpufreq/acpi-cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/acpi-cpufreq.c')
-rw-r--r--drivers/cpufreq/acpi-cpufreq.c40
1 files changed, 23 insertions, 17 deletions
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 78adfb2ffff6..29904395e95f 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -20,6 +20,7 @@
#include <linux/dmi.h>
#include <linux/slab.h>
#include <linux/string_helpers.h>
+#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/io.h>
@@ -965,7 +966,7 @@ static void __init acpi_cpufreq_boost_init(void)
acpi_cpufreq_driver.boost_enabled = boost_state(0);
}
-static int __init acpi_cpufreq_init(void)
+static int __init acpi_cpufreq_probe(struct platform_device *pdev)
{
int ret;
@@ -1010,13 +1011,32 @@ static int __init acpi_cpufreq_init(void)
return ret;
}
-static void __exit acpi_cpufreq_exit(void)
+static int acpi_cpufreq_remove(struct platform_device *pdev)
{
pr_debug("%s\n", __func__);
cpufreq_unregister_driver(&acpi_cpufreq_driver);
free_acpi_perf_data();
+
+ return 0;
+}
+
+static struct platform_driver acpi_cpufreq_platdrv = {
+ .driver = {
+ .name = "acpi-cpufreq",
+ },
+ .remove = acpi_cpufreq_remove,
+};
+
+static int __init acpi_cpufreq_init(void)
+{
+ return platform_driver_probe(&acpi_cpufreq_platdrv, acpi_cpufreq_probe);
+}
+
+static void __exit acpi_cpufreq_exit(void)
+{
+ platform_driver_unregister(&acpi_cpufreq_platdrv);
}
module_param(acpi_pstate_strict, uint, 0644);
@@ -1027,18 +1047,4 @@ MODULE_PARM_DESC(acpi_pstate_strict,
late_initcall(acpi_cpufreq_init);
module_exit(acpi_cpufreq_exit);
-static const struct x86_cpu_id __maybe_unused acpi_cpufreq_ids[] = {
- X86_MATCH_FEATURE(X86_FEATURE_ACPI, NULL),
- X86_MATCH_FEATURE(X86_FEATURE_HW_PSTATE, NULL),
- {}
-};
-MODULE_DEVICE_TABLE(x86cpu, acpi_cpufreq_ids);
-
-static const struct acpi_device_id __maybe_unused processor_device_ids[] = {
- {ACPI_PROCESSOR_OBJECT_HID, },
- {ACPI_PROCESSOR_DEVICE_HID, },
- {},
-};
-MODULE_DEVICE_TABLE(acpi, processor_device_ids);
-
-MODULE_ALIAS("acpi");
+MODULE_ALIAS("platform:acpi-cpufreq");