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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2024-02-26 19:40:52 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2024-02-27 19:54:59 +0300
commit1b4f02a34f095b96de36fa16755f5598ba380939 (patch)
tree72733ca7c3c494c0a93f3b905c03174ed4665466 /drivers/acpi/internal.h
parent514bcabc05387369ee491b8359f34fcd45f25f55 (diff)
downloadlinux-1b4f02a34f095b96de36fa16755f5598ba380939.tar.xz
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.h1
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,