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ACPI: PAD: Fix teardown ordering in acpi_pad_remove()

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The ACPI notify handler installed by acpi_pad_probe() needs to be
removed before calling acpi_pad_idle_cpus() in acpi_pad_remove()
so it doesn't schedule idle time injection on some CPUs again.

Fixes: 8e0af5141a ("ACPI: create Processor Aggregator Device driver")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/2064153.usQuhbGJ8B@rafael.j.wysocki
This commit is contained in:
Rafael J. Wysocki 2026-05-21 16:06:48 +02:00
parent cf700a6df5
commit 5776575d9a
1 changed files with 3 additions and 3 deletions
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6
drivers/acpi/acpi_pad.c
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@ -430,12 +430,12 @@ static int acpi_pad_probe(struct platform_device *pdev)
static void acpi_pad_remove(struct platform_device *pdev)
{
acpi_dev_remove_notify_handler(ACPI_COMPANION(&pdev->dev),
ACPI_DEVICE_NOTIFY, acpi_pad_notify);
mutex_lock(&isolated_cpus_lock);
acpi_pad_idle_cpus(0);
mutex_unlock(&isolated_cpus_lock);
acpi_dev_remove_notify_handler(ACPI_COMPANION(&pdev->dev),
ACPI_DEVICE_NOTIFY, acpi_pad_notify);
}
static const struct acpi_device_id pad_device_ids[] = {