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path: root/drivers/acpi/processor_driver.c
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Diffstat (limited to 'drivers/acpi/processor_driver.c')
-rw-r--r--drivers/acpi/processor_driver.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index cb52dd000b95..3b281bc1e73c 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -237,6 +237,9 @@ static struct notifier_block acpi_processor_notifier_block = {
.notifier_call = acpi_processor_notifier,
};
+void __weak acpi_processor_init_invariance_cppc(void)
+{ }
+
/*
* We keep the driver loaded even when ACPI is not running.
* This is needed for the powernow-k8 driver, that works even without
@@ -270,6 +273,12 @@ static int __init acpi_processor_driver_init(void)
NULL, acpi_soft_cpu_dead);
acpi_processor_throttling_init();
+
+ /*
+ * Frequency invariance calculations on AMD platforms can't be run until
+ * after acpi_cppc_processor_probe() has been called for all online CPUs
+ */
+ acpi_processor_init_invariance_cppc();
return 0;
err:
driver_unregister(&acpi_processor_driver);