Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Module Name: utstate - state object support procedures
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <acpi/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include "accommon.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #define _COMPONENT          ACPI_UTILITIES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) ACPI_MODULE_NAME("utstate")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * FUNCTION:    acpi_ut_push_generic_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * PARAMETERS:  list_head           - Head of the state stack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  *              state               - State object to push
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  * RETURN:      None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  * DESCRIPTION: Push a state object onto a state stack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) acpi_ut_push_generic_state(union acpi_generic_state **list_head,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 			   union acpi_generic_state *state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	/* Push the state object onto the front of the list (stack) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	state->common.next = *list_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	*list_head = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41)  * FUNCTION:    acpi_ut_pop_generic_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43)  * PARAMETERS:  list_head           - Head of the state stack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45)  * RETURN:      The popped state object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47)  * DESCRIPTION: Pop a state object from a state stack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 						    **list_head)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	union acpi_generic_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	/* Remove the state object at the head of the list (stack) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	state = *list_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	if (state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		/* Update the list head */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		*list_head = state->common.next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	return (state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73)  * FUNCTION:    acpi_ut_create_generic_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75)  * PARAMETERS:  None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77)  * RETURN:      The new state object. NULL on failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79)  * DESCRIPTION: Create a generic state object. Attempt to obtain one from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80)  *              the global state cache;  If none available, create a new one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) union acpi_generic_state *acpi_ut_create_generic_state(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	union acpi_generic_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	state = acpi_os_acquire_object(acpi_gbl_state_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	if (state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		/* Initialize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		state->common.descriptor_type = ACPI_DESC_TYPE_STATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	return (state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)  * FUNCTION:    acpi_ut_create_thread_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)  * PARAMETERS:  None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)  * RETURN:      New Thread State. NULL on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)  * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)  *              to track per-thread info during method execution
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct acpi_thread_state *acpi_ut_create_thread_state(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	union acpi_generic_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	/* Create the generic state object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	state = acpi_ut_create_generic_state();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	if (!state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		return (NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	/* Init fields specific to the update struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	state->common.descriptor_type = ACPI_DESC_TYPE_STATE_THREAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	state->thread.thread_id = acpi_os_get_thread_id();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	/* Check for invalid thread ID - zero is very bad, it will break things */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	if (!state->thread.thread_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		ACPI_ERROR((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		state->thread.thread_id = (acpi_thread_id) 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	return ((struct acpi_thread_state *)state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)  * FUNCTION:    acpi_ut_create_update_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)  * PARAMETERS:  object          - Initial Object to be installed in the state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)  *              action          - Update action to be performed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)  * RETURN:      New state object, null on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)  * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)  *              to update reference counts and delete complex objects such
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)  *              as packages.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 						      *object, u16 action)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	union acpi_generic_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	/* Create the generic state object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	state = acpi_ut_create_generic_state();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	if (!state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		return (NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	/* Init fields specific to the update struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	state->common.descriptor_type = ACPI_DESC_TYPE_STATE_UPDATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	state->update.object = object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	state->update.value = action;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	return (state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)  * FUNCTION:    acpi_ut_create_pkg_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)  * PARAMETERS:  object          - Initial Object to be installed in the state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)  *              action          - Update action to be performed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)  * RETURN:      New state object, null on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)  * DESCRIPTION: Create a "Package State"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 						   void *external_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 						   u32 index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	union acpi_generic_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	/* Create the generic state object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	state = acpi_ut_create_generic_state();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	if (!state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		return (NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	/* Init fields specific to the update struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	state->common.descriptor_type = ACPI_DESC_TYPE_STATE_PACKAGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	state->pkg.source_object = (union acpi_operand_object *)internal_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	state->pkg.dest_object = external_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	state->pkg.index = index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	state->pkg.num_packages = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	return (state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)  * FUNCTION:    acpi_ut_create_control_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)  * PARAMETERS:  None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)  * RETURN:      New state object, null on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)  * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)  *              to support nested IF/WHILE constructs in the AML.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) union acpi_generic_state *acpi_ut_create_control_state(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	union acpi_generic_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	/* Create the generic state object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	state = acpi_ut_create_generic_state();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	if (!state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		return (NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	/* Init fields specific to the control struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	state->common.descriptor_type = ACPI_DESC_TYPE_STATE_CONTROL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	return (state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)  * FUNCTION:    acpi_ut_delete_generic_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)  * PARAMETERS:  state               - The state object to be deleted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)  * RETURN:      None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)  * DESCRIPTION: Release a state object to the state cache. NULL state objects
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)  *              are ignored.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) void acpi_ut_delete_generic_state(union acpi_generic_state *state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	/* Ignore null state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	if (state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 		(void)acpi_os_release_object(acpi_gbl_state_cache, state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) }