Revert "ACPI: processor: Update cpuidle driver check in __acpi_processor_start()"

Revert commit 8a1b5d412cb4 ("ACPI: processor: Update cpuidle driver
check in __acpi_processor_start()") which depends on commit
7a8c994cbb2d ("ACPI: processor: idle: Optimize ACPI idle driver
registration") that got reverted.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 7644de24d2faa4482cc10eb395166c5eca705807..65e779be64ffcc6b728fc1b78df14435514c45db 100644 (file)
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -166,7 +166,7 @@ static int __acpi_processor_start(struct acpi_device *device)
        if (result && !IS_ENABLED(CONFIG_ACPI_CPU_FREQ_PSS))
                dev_dbg(&device->dev, "CPPC data invalid or not present\n");
 
-       if (cpuidle_get_driver() == &acpi_idle_driver)
+       if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver)
                acpi_processor_power_init(pr);
 
        acpi_pss_perf_init(pr);