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Commit 34f206fd authored by Bob Moore's avatar Bob Moore Committed by Rafael J. Wysocki
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ACPICA: Change a compile-time option to a runtime option 



Changes the option to ignore package resolution errors into
a runtime option.

Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarErik Schmauss <erik.schmauss@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent e7c2c3c9

drivers/acpi/acpica/dspkginit.c

+16 −16
Original line number Diff line number Diff line
@@ -413,32 +413,32 @@ acpi_ds_resolve_package_element(union acpi_operand_object **element_ptr) 


	scope_info.scope.node = element->reference.node;	/* Prefix node */



	status = acpi_ns_lookup(&scope_info, (char *)element->reference.aml,	/* Pointer to AML path */

	status = acpi_ns_lookup(&scope_info, (char *)element->reference.aml,

				ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,

				ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,

				NULL, &resolved_node);

	if (ACPI_FAILURE(status)) {

#if defined ACPI_IGNORE_PACKAGE_RESOLUTION_ERRORS && !defined ACPI_APPLICATION

		if ((status == AE_NOT_FOUND)

		    && acpi_gbl_ignore_package_resolution_errors) {

			/*

		 * For the kernel-resident ACPICA, optionally be silent about the

		 * NOT_FOUND case. Although this is potentially a serious problem,

			 * Optionally be silent about the NOT_FOUND case for the referenced

			 * name. Although this is potentially a serious problem,

			 * it can generate a lot of noise/errors on platforms whose

			 * firmware carries around a bunch of unused Package objects.

		 * To disable these errors, define ACPI_IGNORE_PACKAGE_RESOLUTION_ERRORS

		 * in the OS-specific header.

			 * To disable these errors, set this global to TRUE:

			 *     acpi_gbl_ignore_package_resolution_errors

			 *

		 * All errors are always reported for ACPICA applications such as

		 * acpi_exec.

			 * If the AML actually tries to use such a package, the unresolved

			 * element(s) will be replaced with NULL elements.

			 */

		if (status == AE_NOT_FOUND) {



			/* Reference name not found, set the element to NULL */

			/* Referenced name not found, set the element to NULL */



			acpi_ut_remove_reference(*element_ptr);

			*element_ptr = NULL;

			return_VOID;

		}

#endif



		status2 = acpi_ns_externalize_name(ACPI_UINT32_MAX,

						   (char *)element->reference.

						   aml, NULL, &external_path);

include/acpi/acpixf.h

+10 −0
Original line number Diff line number Diff line
@@ -270,6 +270,16 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE); 
 */

ACPI_INIT_GLOBAL(u32, acpi_gbl_max_loop_iterations, ACPI_MAX_LOOP_TIMEOUT);



/*

 * Optionally ignore AE_NOT_FOUND errors from named reference package elements

 * during DSDT/SSDT table loading. This reduces error "noise" in platforms

 * whose firmware is carrying around a bunch of unused package objects that

 * refer to non-existent named objects. However, If the AML actually tries to

 * use such a package, the unresolved element(s) will be replaced with NULL

 * elements.

 */

ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_package_resolution_errors, FALSE);



/*

 * This mechanism is used to trace a specified AML method. The method is

 * traced each time it is executed.