diff options
Diffstat (limited to 'drivers/acpi')
60 files changed, 1049 insertions, 218 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 7cea769c37df..90ff0a47c12e 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -9,8 +9,8 @@ config ARCH_SUPPORTS_ACPI menuconfig ACPI bool "ACPI (Advanced Configuration and Power Interface) Support" depends on ARCH_SUPPORTS_ACPI - depends on PCI select PNP + select NLS default y if X86 help Advanced Configuration and Power Interface (ACPI) support for @@ -336,7 +336,7 @@ config ACPI_CUSTOM_DSDT_FILE See Documentation/acpi/dsdt-override.txt Enter the full path name to the file which includes the AmlCode - declaration. + or dsdt_aml_code declaration. If unsure, don't enter a file name. @@ -370,7 +370,7 @@ config ACPI_DEBUG config ACPI_PCI_SLOT bool "PCI slot detection driver" - depends on SYSFS + depends on SYSFS && PCI help This driver creates entries in /sys/bus/pci/slots/ for all PCI slots in the system. This can help correlate PCI bus addresses, diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index edc039313cd6..7c6afc111d76 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -39,7 +39,7 @@ acpi-y += processor_core.o acpi-$(CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC) += processor_pdc.o acpi-y += ec.o acpi-$(CONFIG_ACPI_DOCK) += dock.o -acpi-y += pci_root.o pci_link.o pci_irq.o +acpi-$(CONFIG_PCI) += pci_root.o pci_link.o pci_irq.o obj-$(CONFIG_ACPI_MCFG) += pci_mcfg.o acpi-y += acpi_lpss.o acpi_apd.o acpi-y += acpi_platform.o diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index 2664452fa112..ddf598ae8b6b 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -166,6 +166,11 @@ static const struct apd_device_desc thunderx2_i2c_desc = { .setup = acpi_apd_setup, .fixed_clk_rate = 125000000, }; + +static const struct apd_device_desc hip08_spi_desc = { + .setup = acpi_apd_setup, + .fixed_clk_rate = 250000000, +}; #endif #else @@ -234,6 +239,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = { { "CAV9007", APD_ADDR(thunderx2_i2c_desc) }, { "HISI02A1", APD_ADDR(hip07_i2c_desc) }, { "HISI02A2", APD_ADDR(hip08_i2c_desc) }, + { "HISI0173", APD_ADDR(hip08_spi_desc) }, #endif { } }; diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c index f21c99ec46ee..a2dcd62ea32f 100644 --- a/drivers/acpi/acpi_dbg.c +++ b/drivers/acpi/acpi_dbg.c @@ -614,7 +614,7 @@ static ssize_t acpi_aml_read(struct file *file, char __user *buf, if (!count) return 0; - if (!access_ok(VERIFY_WRITE, buf, count)) + if (!access_ok(buf, count)) return -EFAULT; while (count > 0) { @@ -684,7 +684,7 @@ static ssize_t acpi_aml_write(struct file *file, const char __user *buf, if (!count) return 0; - if (!access_ok(VERIFY_READ, buf, count)) + if (!access_ok(buf, count)) return -EFAULT; while (count > 0) { diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index b9bda06d344d..5f94c35d165f 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -673,12 +673,7 @@ static int acpi_lpss_create_device(struct acpi_device *adev, * have _PS0 and _PS3 without _PSC (and no power resources), so * acpi_bus_init_power() will assume that the BIOS has put them into D0. */ - ret = acpi_device_fix_up_power(adev); - if (ret) { - /* Skip the device, but continue the namespace scan. */ - ret = 0; - goto err_out; - } + acpi_device_fix_up_power(adev); adev->driver_data = pdata; pdev = acpi_create_platform_device(adev, dev_desc->properties); diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index b14621da5413..59700433a96e 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -77,13 +77,13 @@ acpi-y += \ hwacpi.o \ hwesleep.o \ hwgpe.o \ - hwpci.o \ hwregs.o \ hwsleep.o \ hwvalid.o \ hwxface.o \ hwxfsleep.o +acpi-$(CONFIG_PCI) += hwpci.o acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o acpi-y += \ diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 1e6204518496..87d6eb01beaf 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -172,11 +172,7 @@ ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); * ****************************************************************************/ -#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) #define NUM_PREDEFINED_NAMES 10 -#else -#define NUM_PREDEFINED_NAMES 9 -#endif ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h index 43ce67a9da1f..ef99e2fc37f8 100644 --- a/drivers/acpi/acpica/achware.h +++ b/drivers/acpi/acpica/achware.h @@ -106,11 +106,20 @@ acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block, void *context); +#ifdef ACPI_PCI_CONFIGURED /* * hwpci - PCI configuration support */ acpi_status acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device, acpi_handle pci_region); +#else +static inline acpi_status +acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device, + acpi_handle pci_region) +{ + return AE_SUPPORT; +} +#endif #endif /* __ACHWARE_H__ */ diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index bbb3b4d1e796..9bd25f36c608 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -34,6 +34,7 @@ #define ACPI_NS_TEMPORARY 0x0040 #define ACPI_NS_OVERRIDE_IF_FOUND 0x0080 #define ACPI_NS_EARLY_INIT 0x0100 +#define ACPI_NS_PREFIX_MUST_EXIST 0x0200 /* Flags for acpi_ns_walk_namespace */ diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h index acf27156dbd4..14be32961b4c 100644 --- a/drivers/acpi/acpica/acstruct.h +++ b/drivers/acpi/acpica/acstruct.h @@ -60,6 +60,8 @@ struct acpi_walk_state { struct acpi_parse_state parser_state; /* Current state of parser */ u32 prev_arg_types; u32 arg_count; /* push for fixed or var args */ + u16 method_nesting_depth; + u8 method_is_nested; struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */ struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */ @@ -74,7 +76,8 @@ struct acpi_walk_state { struct acpi_namespace_node *method_call_node; /* Called method Node */ union acpi_parse_object *method_call_op; /* method_call Op if running a method */ union acpi_operand_object *method_desc; /* Method descriptor if running a method */ - struct acpi_namespace_node *method_node; /* Method node if running a method. */ + struct acpi_namespace_node *method_node; /* Method node if running a method */ + char *method_pathname; /* Full pathname of running method */ union acpi_parse_object *op; /* Current parser op */ const struct acpi_opcode_info *op_info; /* Info on current opcode */ union acpi_parse_object *origin; /* Start of walk [Obsolete] */ diff --git a/drivers/acpi/acpica/dbxface.c b/drivers/acpi/acpica/dbxface.c index f2526726daf6..3eb45ea93e5e 100644 --- a/drivers/acpi/acpica/dbxface.c +++ b/drivers/acpi/acpica/dbxface.c @@ -24,6 +24,13 @@ acpi_db_start_command(struct acpi_walk_state *walk_state, void acpi_db_method_end(struct acpi_walk_state *walk_state); #endif +#ifdef ACPI_DISASSEMBLER +static union acpi_parse_object *acpi_db_get_display_op(struct acpi_walk_state + *walk_state, + union acpi_parse_object + *op); +#endif + /******************************************************************************* * * FUNCTION: acpi_db_start_command @@ -113,6 +120,70 @@ void acpi_db_signal_break_point(struct acpi_walk_state *walk_state) acpi_os_printf("**break** Executed AML BreakPoint opcode\n"); } +#ifdef ACPI_DISASSEMBLER +/******************************************************************************* + * + * FUNCTION: acpi_db_get_display_op + * + * PARAMETERS: walk_state - Current walk + * op - Current executing op (from aml interpreter) + * + * RETURN: Opcode to display + * + * DESCRIPTION: Find the opcode to display during single stepping + * + ******************************************************************************/ + +static union acpi_parse_object *acpi_db_get_display_op(struct acpi_walk_state + *walk_state, + union acpi_parse_object + *op) +{ + union acpi_parse_object *display_op; + union acpi_parse_object *parent_op; + + display_op = op; + parent_op = op->common.parent; + if (parent_op) { + if ((walk_state->control_state) && + (walk_state->control_state->common.state == + ACPI_CONTROL_PREDICATE_EXECUTING)) { + /* + * We are executing the predicate of an IF or WHILE statement + * Search upwards for the containing IF or WHILE so that the + * entire predicate can be displayed. + */ + while (parent_op) { + if ((parent_op->common.aml_opcode == AML_IF_OP) + || (parent_op->common.aml_opcode == + AML_WHILE_OP)) { + display_op = parent_op; + break; + } + parent_op = parent_op->common.parent; + } + } else { + while (parent_op) { + if ((parent_op->common.aml_opcode == AML_IF_OP) + || (parent_op->common.aml_opcode == + AML_ELSE_OP) + || (parent_op->common.aml_opcode == + AML_SCOPE_OP) + || (parent_op->common.aml_opcode == + AML_METHOD_OP) + || (parent_op->common.aml_opcode == + AML_WHILE_OP)) { + break; + } + display_op = parent_op; + parent_op = parent_op->common.parent; + } + } + } + return display_op; +} +#endif + /******************************************************************************* * * FUNCTION: acpi_db_single_step @@ -134,8 +205,6 @@ acpi_db_single_step(struct acpi_walk_state *walk_state, union acpi_parse_object *next; acpi_status status = AE_OK; u32 original_debug_level; - union acpi_parse_object *display_op; - union acpi_parse_object *parent_op; u32 aml_offset; ACPI_FUNCTION_ENTRY(); @@ -222,51 +291,12 @@ acpi_db_single_step(struct acpi_walk_state *walk_state, next = op->common.next; op->common.next = NULL; - display_op = op; - parent_op = op->common.parent; - if (parent_op) { - if ((walk_state->control_state) && - (walk_state->control_state->common.state == - ACPI_CONTROL_PREDICATE_EXECUTING)) { - /* - * We are executing the predicate of an IF or WHILE statement - * Search upwards for the containing IF or WHILE so that the - * entire predicate can be displayed. - */ - while (parent_op) { - if ((parent_op->common.aml_opcode == - AML_IF_OP) - || (parent_op->common.aml_opcode == - AML_WHILE_OP)) { - display_op = parent_op; - break; - } - parent_op = parent_op->common.parent; - } - } else { - while (parent_op) { - if ((parent_op->common.aml_opcode == - AML_IF_OP) - || (parent_op->common.aml_opcode == - AML_ELSE_OP) - || (parent_op->common.aml_opcode == - AML_SCOPE_OP) - || (parent_op->common.aml_opcode == - AML_METHOD_OP) - || (parent_op->common.aml_opcode == - AML_WHILE_OP)) { - break; - } - display_op = parent_op; - parent_op = parent_op->common.parent; - } - } - } - /* Now we can disassemble and display it */ #ifdef ACPI_DISASSEMBLER - acpi_dm_disassemble(walk_state, display_op, ACPI_UINT32_MAX); + acpi_dm_disassemble(walk_state, + acpi_db_get_display_op(walk_state, op), + ACPI_UINT32_MAX); #else /* * The AML Disassembler is not configured - at least we can diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index dd4deb678d13..c1a4d02fafd5 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -532,6 +532,9 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, goto cleanup; } + next_walk_state->method_nesting_depth = + this_walk_state->method_nesting_depth + 1; + /* * Delete the operands on the previous walkstate operand stack * (they were copied to new objects) @@ -549,6 +552,17 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, "**** Begin nested execution of [%4.4s] **** WalkState=%p\n", method_node->name.ascii, next_walk_state)); + this_walk_state->method_pathname = + acpi_ns_get_normalized_pathname(method_node, TRUE); + this_walk_state->method_is_nested = TRUE; + + /* Optional object evaluation log */ + + ACPI_DEBUG_PRINT_RAW((ACPI_DB_EVALUATION, + "%-26s: %*s%s\n", " Nested method call", + next_walk_state->method_nesting_depth * 3, " ", + &this_walk_state->method_pathname[1])); + /* Invoke an internal method if necessary */ if (obj_desc->method.info_flags & ACPI_METHOD_INTERNAL_ONLY) { diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c index 6992c8d5ab43..6a9cc613adaa 100644 --- a/drivers/acpi/acpica/dsobject.c +++ b/drivers/acpi/acpica/dsobject.c @@ -18,7 +18,6 @@ #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dsobject") -#ifndef ACPI_NO_METHOD_EXECUTION /******************************************************************************* * * FUNCTION: acpi_ds_build_internal_object @@ -299,8 +298,6 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state, return_ACPI_STATUS(status); } -#endif /* ACPI_NO_METHOD_EXECUTION */ - /******************************************************************************* * * FUNCTION: acpi_ds_init_object_from_op @@ -404,9 +401,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, /* Truncate value if we are executing from a 32-bit ACPI table */ -#ifndef ACPI_NO_METHOD_EXECUTION (void)acpi_ex_truncate_for32bit_table(obj_desc); -#endif break; case AML_REVISION_OP: @@ -428,7 +423,6 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, obj_desc->integer.value = op->common.value.integer; -#ifndef ACPI_NO_METHOD_EXECUTION if (acpi_ex_truncate_for32bit_table(obj_desc)) { /* Warn if we found a 64-bit constant in a 32-bit table */ @@ -439,7 +433,6 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, value.integer), (u32)obj_desc->integer.value)); } -#endif break; default: @@ -477,7 +470,6 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, ((u32)opcode) - AML_FIRST_LOCAL_OP; obj_desc->reference.class = ACPI_REFCLASS_LOCAL; -#ifndef ACPI_NO_METHOD_EXECUTION status = acpi_ds_method_data_get_node(ACPI_REFCLASS_LOCAL, obj_desc->reference. @@ -487,7 +479,6 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, acpi_namespace_node, &obj_desc->reference. object)); -#endif break; case AML_TYPE_METHOD_ARGUMENT: @@ -498,7 +489,6 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, ((u32)opcode) - AML_FIRST_ARG_OP; obj_desc->reference.class = ACPI_REFCLASS_ARG; -#ifndef ACPI_NO_METHOD_EXECUTION status = acpi_ds_method_data_get_node(ACPI_REFCLASS_ARG, obj_desc-> reference.value, @@ -509,7 +499,6 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, &obj_desc-> reference. object)); -#endif break; default: /* Object name or Debug object */ diff --git a/drivers/acpi/acpica/dspkginit.c b/drivers/acpi/acpica/dspkginit.c index d703a5594a02..584853385268 100644 --- a/drivers/acpi/acpica/dspkginit.c +++ b/drivers/acpi/acpica/dspkginit.c @@ -152,6 +152,32 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, */ for (i = 0; arg && (i < element_count); i++) { if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { + if (!arg->common.node) { + /* + * This is the case where an expression has returned a value. + * The use of expressions (term_args) within individual + * package elements is not supported by the AML interpreter, + * even though the ASL grammar supports it. Example: + * + * Name (INT1, 0x1234) + * + * Name (PKG3, Package () { + * Add (INT1, 0xAAAA0000) + * }) + * + * 1) No known AML interpreter supports this type of construct + * 2) This fixes a fault if the construct is encountered + */ + ACPI_EXCEPTION((AE_INFO, AE_SUPPORT, + "Expressions within package elements are not supported")); + + /* Cleanup the return object, it is not needed */ + + acpi_ut_remove_reference(walk_state->results-> + results.obj_desc[0]); + return_ACPI_STATUS(AE_SUPPORT); + } + if (arg->common.node->type == ACPI_TYPE_METHOD) { /* * A method reference "looks" to the parser to be a method diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c index 8d1b75400515..fb9ed5e1da89 100644 --- a/drivers/acpi/acpica/dsutils.c +++ b/drivers/acpi/acpica/dsutils.c @@ -57,7 +57,6 @@ void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state) } } -#ifndef ACPI_NO_METHOD_EXECUTION /******************************************************************************* * * FUNCTION: acpi_ds_do_implicit_return @@ -401,7 +400,6 @@ void acpi_ds_clear_operands(struct acpi_walk_state *walk_state) walk_state->num_operands = 0; return_VOID; } -#endif /******************************************************************************* * diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c index d06c41446282..e2ef09643d50 100644 --- a/drivers/acpi/acpica/dswload.c +++ b/drivers/acpi/acpica/dswload.c @@ -73,12 +73,10 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number) /* Execution pass */ -#ifndef ACPI_NO_METHOD_EXECUTION walk_state->parse_flags |= ACPI_PARSE_EXECUTE | ACPI_PARSE_DELETE_TREE; walk_state->descending_callback = acpi_ds_exec_begin_op; walk_state->ascending_callback = acpi_ds_exec_end_op; -#endif break; default: |