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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-02-26 17:40:52 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-02-27 17:54:59 +0100 |
| commit | 1b4f02a34f095b96de36fa16755f5598ba380939 (patch) | |
| tree | 72733ca7c3c494c0a93f3b905c03174ed4665466 /drivers/acpi/internal.h | |
| parent | ACPI: scan: Relocate acpi_bus_trim_one() (diff) | |
| download | linux-1b4f02a34f095b96de36fa16755f5598ba380939.tar.xz linux-1b4f02a34f095b96de36fa16755f5598ba380939.zip | |
ACPI: scan: Make acpi_processor_add() check the device enabled bit
Modify acpi_processor_add() return an error if _STA returns the enabled
bit clear for the given processor device, so as to avoid using processors
that don't decode their resources, as per the ACPI specification. [1]
Link: https://uefi.org/specs/ACPI/6.5/06_Device_Configuration.html#sta-device-status # [1]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/acpi/internal.h')
| -rw-r--r-- | drivers/acpi/internal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 6588525c45ef..895aa2c0ad58 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -121,6 +121,7 @@ int acpi_device_setup_files(struct acpi_device *dev); void acpi_device_remove_files(struct acpi_device *dev); void acpi_device_add_finalize(struct acpi_device *device); void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); +bool acpi_device_is_enabled(const struct acpi_device *adev); bool acpi_device_is_present(const struct acpi_device *adev); bool acpi_device_is_battery(struct acpi_device *adev); bool acpi_device_is_first_physical_node(struct acpi_device *adev, |