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Commit 05465fd5 authored by Alex Williamson's avatar Alex Williamson Committed by Len Brown
Browse files

[ACPI] increase owner_id limit to 64 from 32 



This is an interim patch until changes in an updated
ACPICA core increase the limit to 255.

Signed-off-by: default avatarAlex Williamson <alex.williamson@hp.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent b05948d9

drivers/acpi/utilities/utmisc.c

+9 −9
Original line number Diff line number Diff line
@@ -84,14 +84,14 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) 


	/* Find a free owner ID */



	for (i = 0; i < 32; i++) {

		if (!(acpi_gbl_owner_id_mask & (1 << i))) {

	for (i = 0; i < 64; i++) {

		if (!(acpi_gbl_owner_id_mask & (1ULL << i))) {

			ACPI_DEBUG_PRINT((ACPI_DB_VALUES,

					  "Current owner_id mask: %8.8X New ID: %2.2X\n",

					  "Current owner_id mask: %16.16lX New ID: %2.2X\n",

					  acpi_gbl_owner_id_mask,

					  (unsigned int)(i + 1)));



			acpi_gbl_owner_id_mask |= (1 << i);

			acpi_gbl_owner_id_mask |= (1ULL << i);

			*owner_id = (acpi_owner_id) (i + 1);

			goto exit;

		}
@@ -106,7 +106,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) 
	 */

	*owner_id = 0;

	status = AE_OWNER_ID_LIMIT;

	ACPI_REPORT_ERROR(("Could not allocate new owner_id (32 max), AE_OWNER_ID_LIMIT\n"));

	ACPI_REPORT_ERROR(("Could not allocate new owner_id (64 max), AE_OWNER_ID_LIMIT\n"));



      exit:

	(void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
@@ -123,7 +123,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) 
 *              control method or unloading a table. Either way, we would

 *              ignore any error anyway.

 *

 * DESCRIPTION: Release a table or method owner ID.  Valid IDs are 1 - 32

 * DESCRIPTION: Release a table or method owner ID.  Valid IDs are 1 - 64

 *

 ******************************************************************************/
@@ -140,7 +140,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr) 


	/* Zero is not a valid owner_iD */



	if ((owner_id == 0) || (owner_id > 32)) {

	if ((owner_id == 0) || (owner_id > 64)) {

		ACPI_REPORT_ERROR(("Invalid owner_id: %2.2X\n", owner_id));

		return_VOID;

	}
@@ -158,8 +158,8 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr) 


	/* Free the owner ID only if it is valid */



	if (acpi_gbl_owner_id_mask & (1 << owner_id)) {

		acpi_gbl_owner_id_mask ^= (1 << owner_id);

	if (acpi_gbl_owner_id_mask & (1ULL << owner_id)) {

		acpi_gbl_owner_id_mask ^= (1ULL << owner_id);

	}



	(void)acpi_ut_release_mutex(ACPI_MTX_CACHES);

include/acpi/acglobal.h

+1 −1
Original line number Diff line number Diff line
@@ -211,7 +211,7 @@ ACPI_EXTERN u32 acpi_gbl_original_mode; 
ACPI_EXTERN u32 acpi_gbl_rsdp_original_location;

ACPI_EXTERN u32 acpi_gbl_ns_lookup_count;

ACPI_EXTERN u32 acpi_gbl_ps_find_count;

ACPI_EXTERN u32 acpi_gbl_owner_id_mask;

ACPI_EXTERN u64 acpi_gbl_owner_id_mask;

ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save;

ACPI_EXTERN u16 acpi_gbl_global_lock_handle;

ACPI_EXTERN u8 acpi_gbl_debugger_configuration;