drivers/acpi/acpica/evmisc.c

Source file repositories/reference/linux-study-clean/drivers/acpi/acpica/evmisc.c

File Facts

System
Linux kernel
Corpus path
drivers/acpi/acpica/evmisc.c
Extension
.c
Size
7262 bytes
Lines
274
Domain
Driver Families
Bucket
drivers/acpi
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (ACPI_FAILURE(status)) {
				ACPI_ERROR((AE_INFO,
					    "Could not disable fixed event %u",
					    (u32) i));
			}
		}

		/* Disable all GPEs in all GPE blocks */

		status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block, NULL);
		if (ACPI_FAILURE(status)) {
			ACPI_EXCEPTION((AE_INFO, status,
					"Could not disable GPEs in GPE block"));
		}

		status = acpi_ev_remove_global_lock_handler();
		if (ACPI_FAILURE(status)) {
			ACPI_EXCEPTION((AE_INFO, status,
					"Could not remove Global Lock handler"));
		}

		acpi_gbl_events_initialized = FALSE;
	}

	/* Remove SCI handlers */

	status = acpi_ev_remove_all_sci_handlers();
	if (ACPI_FAILURE(status)) {
		ACPI_ERROR((AE_INFO, "Could not remove SCI handler"));
	}

	/* Deallocate all handler objects installed within GPE info structs */

	status = acpi_ev_walk_gpe_list(acpi_ev_delete_gpe_handlers, NULL);
	if (ACPI_FAILURE(status)) {
		ACPI_EXCEPTION((AE_INFO, status,
				"Could not delete GPE handlers"));
	}

	/* Return to original mode if necessary */

	if (acpi_gbl_original_mode == ACPI_SYS_MODE_LEGACY) {
		status = acpi_disable();
		if (ACPI_FAILURE(status)) {
			ACPI_WARNING((AE_INFO, "AcpiDisable failed"));
		}
	}
	return_VOID;
}

#endif				/* !ACPI_REDUCED_HARDWARE */

Annotation

Implementation Notes