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-rw-r--r--drivers/acpi/acpica/dsutils.c10
-rw-r--r--drivers/acpi/acpica/evgpe.c6
-rw-r--r--drivers/acpi/acpica/evsci.c4
-rw-r--r--drivers/acpi/acpica/exprep.c4
-rw-r--r--drivers/acpi/acpica/exutils.c4
-rw-r--r--drivers/acpi/acpica/hwacpi.c10
-rw-r--r--drivers/acpi/acpica/nsutils.c8
-rw-r--r--drivers/acpi/acpica/psargs.c2
-rw-r--r--drivers/acpi/acpica/utaddress.c4
-rw-r--r--include/acpi/acoutput.h53
10 files changed, 67 insertions, 38 deletions
diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c
index 4d8c992a51d8..99778997c35a 100644
--- a/drivers/acpi/acpica/dsutils.c
+++ b/drivers/acpi/acpica/dsutils.c
@@ -178,7 +178,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
if (!op) {
ACPI_ERROR((AE_INFO, "Null Op"));
- return_VALUE(TRUE);
+ return_UINT8(TRUE);
}
/*
@@ -210,7 +210,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
"At Method level, result of [%s] not used\n",
acpi_ps_get_opcode_name(op->common.
aml_opcode)));
- return_VALUE(FALSE);
+ return_UINT8(FALSE);
}
/* Get info on the parent. The root_op is AML_SCOPE */
@@ -219,7 +219,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
acpi_ps_get_opcode_info(op->common.parent->common.aml_opcode);
if (parent_info->class == AML_CLASS_UNKNOWN) {
ACPI_ERROR((AE_INFO, "Unknown parent opcode Op=%p", op));
- return_VALUE(FALSE);
+ return_UINT8(FALSE);
}
/*
@@ -307,7 +307,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
acpi_ps_get_opcode_name(op->common.parent->common.
aml_opcode), op));
- return_VALUE(TRUE);
+ return_UINT8(TRUE);
result_not_used:
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
@@ -316,7 +316,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
acpi_ps_get_opcode_name(op->common.parent->common.
aml_opcode), op));
- return_VALUE(FALSE);
+ return_UINT8(FALSE);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index b9adb9a7ed85..a493b528f8f9 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -707,7 +707,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Unable to clear GPE%02X", gpe_number));
- return_VALUE(ACPI_INTERRUPT_NOT_HANDLED);
+ return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
}
}
@@ -724,7 +724,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Unable to disable GPE%02X", gpe_number));
- return_VALUE(ACPI_INTERRUPT_NOT_HANDLED);
+ return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
}
/*
@@ -784,7 +784,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
break;
}
- return_VALUE(ACPI_INTERRUPT_HANDLED);
+ return_UINT32(ACPI_INTERRUPT_HANDLED);
}
#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evsci.c b/drivers/acpi/acpica/evsci.c
index f4b43bede015..b905acf7aacd 100644
--- a/drivers/acpi/acpica/evsci.c
+++ b/drivers/acpi/acpica/evsci.c
@@ -89,7 +89,7 @@ static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context)
*/
interrupt_handled |= acpi_ev_gpe_detect(gpe_xrupt_list);
- return_VALUE(interrupt_handled);
+ return_UINT32(interrupt_handled);
}
/*******************************************************************************
@@ -120,7 +120,7 @@ u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context)
interrupt_handled |= acpi_ev_gpe_detect(gpe_xrupt_list);
- return_VALUE(interrupt_handled);
+ return_UINT32(interrupt_handled);
}
/******************************************************************************
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index d6eab81f54fb..6b728aef2dca 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -276,7 +276,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
/* Invalid field access type */
ACPI_ERROR((AE_INFO, "Unknown field access type 0x%X", access));
- return_VALUE(0);
+ return_UINT32(0);
}
if (obj_desc->common.type == ACPI_TYPE_BUFFER_FIELD) {
@@ -289,7 +289,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
}
*return_byte_alignment = byte_alignment;
- return_VALUE(bit_length);
+ return_UINT32(bit_length);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c
index b205cbb4b50c..99dc7b287d55 100644
--- a/drivers/acpi/acpica/exutils.c
+++ b/drivers/acpi/acpica/exutils.c
@@ -340,7 +340,7 @@ static u32 acpi_ex_digits_needed(u64 value, u32 base)
/* u64 is unsigned, so we don't worry about a '-' prefix */
if (value == 0) {
- return_VALUE(1);
+ return_UINT32(1);
}
current_value = value;
@@ -354,7 +354,7 @@ static u32 acpi_ex_digits_needed(u64 value, u32 base)
num_digits++;
}
- return_VALUE(num_digits);
+ return_UINT32(num_digits);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c
index 9b02a9f5b04a..579c3a53ac87 100644
--- a/drivers/acpi/acpica/hwacpi.c
+++ b/drivers/acpi/acpica/hwacpi.c
@@ -155,7 +155,7 @@ u32 acpi_hw_get_mode(void)
/* If the Hardware Reduced flag is set, machine is always in acpi mode */
if (acpi_gbl_reduced_hardware) {
- return_VALUE(ACPI_SYS_MODE_ACPI);
+ return_UINT32(ACPI_SYS_MODE_ACPI);
}
/*
@@ -163,18 +163,18 @@ u32 acpi_hw_get_mode(void)
* system does not support mode transition.
*/
if (!acpi_gbl_FADT.smi_command) {
- return_VALUE(ACPI_SYS_MODE_ACPI);
+ return_UINT32(ACPI_SYS_MODE_ACPI);
}
status = acpi_read_bit_register(ACPI_BITREG_SCI_ENABLE, &value);
if (ACPI_FAILURE(status)) {
- return_VALUE(ACPI_SYS_MODE_LEGACY);
+ return_UINT32(ACPI_SYS_MODE_LEGACY);
}
if (value) {
- return_VALUE(ACPI_SYS_MODE_ACPI);
+ return_UINT32(ACPI_SYS_MODE_ACPI);
} else {
- return_VALUE(ACPI_SYS_MODE_LEGACY);
+ return_UINT32(ACPI_SYS_MODE_LEGACY);
}
}
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index 686420df684f..2808586fad30 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -112,10 +112,10 @@ acpi_object_type acpi_ns_get_type(struct acpi_namespace_node * node)
if (!node) {
ACPI_WARNING((AE_INFO, "Null Node parameter"));
- return_VALUE(ACPI_TYPE_ANY);
+ return_UINT8(ACPI_TYPE_ANY);
}
- return_VALUE(node->type);
+ return_UINT8(node->type);
}
/*******************************************************************************
@@ -140,10 +140,10 @@ u32 acpi_ns_local(acpi_object_type type)
/* Type code out of range */
ACPI_WARNING((AE_INFO, "Invalid Object Type 0x%X", type));
- return_VALUE(ACPI_NS_NORMAL);
+ return_UINT32(ACPI_NS_NORMAL);
}
- return_VALUE(acpi_gbl_ns_properties[type] & ACPI_NS_LOCAL);
+ return_UINT32(acpi_gbl_ns_properties[type] & ACPI_NS_LOCAL);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
index f51308cdbc65..9f25a3d4e992 100644
--- a/drivers/acpi/acpica/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -108,7 +108,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
/* Byte 0 is a special case, either bits [0:3] or [0:5] are used */
package_length |= (aml[0] & byte_zero_mask);
- return_VALUE(package_length);
+ return_UINT32(package_length);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/utaddress.c b/drivers/acpi/acpica/utaddress.c
index 698b9d385516..e0a2e2779c2e 100644
--- a/drivers/acpi/acpica/utaddress.c
+++ b/drivers/acpi/acpica/utaddress.c
@@ -214,7 +214,7 @@ acpi_ut_check_address_range(acpi_adr_space_type space_id,
if ((space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
(space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
- return_VALUE(0);
+ return_UINT32(0);
}
range_info = acpi_gbl_address_range_list[space_id];
@@ -256,7 +256,7 @@ acpi_ut_check_address_range(acpi_adr_space_type space_id,
range_info = range_info->next;
}
- return_VALUE(overlap_count);
+ return_UINT32(overlap_count);
}
/*******************************************************************************
diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index 9885276178e0..4f52ea795c7a 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -324,9 +324,9 @@
/* Helper macro */
-#define ACPI_TRACE_ENTRY(name, function, cast, param) \
+#define ACPI_TRACE_ENTRY(name, function, type, param) \
ACPI_FUNCTION_NAME (name) \
- function (ACPI_DEBUG_PARAMETERS, cast (param))
+ function (ACPI_DEBUG_PARAMETERS, (type) (param))
/* The actual entry trace macros */
@@ -335,13 +335,13 @@
acpi_ut_trace (ACPI_DEBUG_PARAMETERS)
#define ACPI_FUNCTION_TRACE_PTR(name, pointer) \
- ACPI_TRACE_ENTRY (name, acpi_ut_trace_ptr, (void *), pointer)
+ ACPI_TRACE_ENTRY (name, acpi_ut_trace_ptr, void *, pointer)
#define ACPI_FUNCTION_TRACE_U32(name, value) \
- ACPI_TRACE_ENTRY (name, acpi_ut_trace_u32, (u32), value)
+ ACPI_TRACE_ENTRY (name, acpi_ut_trace_u32, u32, value)
#define ACPI_FUNCTION_TRACE_STR(name, string) \
- ACPI_TRACE_ENTRY (name, acpi_ut_trace_str, (char *), string)
+ ACPI_TRACE_ENTRY (name, acpi_ut_trace_str, char *, string)
#define ACPI_FUNCTION_ENTRY() \
acpi_ut_track_stack_ptr()
@@ -355,16 +355,37 @@
*
* One of the FUNCTION_TRACE macros above must be used in conjunction
* with these macros so that "_AcpiFunctionName" is defined.
+ *
+ * There are two versions of most of the return macros. The default version is
+ * safer, since it avoids side-effects by guaranteeing that the argument will
+ * not be evaluated twice.
+ *
+ * A less-safe version of the macros is provided for optional use if the
+ * compiler uses excessive CPU stack (for example, this may happen in the
+ * debug case if code optimzation is disabled.)
*/
/* Exit trace helper macro */
-#define ACPI_TRACE_EXIT(function, cast, param) \
+#ifndef ACPI_SIMPLE_RETURN_MACROS
+
+#define ACPI_TRACE_EXIT(function, type, param) \
+ ACPI_DO_WHILE0 ({ \
+ register type _param = (type) (param); \
+ function (ACPI_DEBUG_PARAMETERS, _param); \
+ return (_param); \
+ })
+
+#else /* Use original less-safe macros */
+
+#define ACPI_TRACE_EXIT(function, type, param) \
ACPI_DO_WHILE0 ({ \
- function (ACPI_DEBUG_PARAMETERS, cast (param)); \
- return ((param)); \
+ function (ACPI_DEBUG_PARAMETERS, (type) (param)); \
+ return (param); \
})
+#endif /* ACPI_SIMPLE_RETURN_MACROS */
+
/* The actual exit macros */
#define return_VOID \
@@ -374,13 +395,19 @@
})
#define return_ACPI_STATUS(status) \
- ACPI_TRACE_EXIT (acpi_ut_status_exit, (acpi_status), status)
+ ACPI_TRACE_EXIT (acpi_ut_status_exit, acpi_status, status)
#define return_PTR(pointer) \
- ACPI_TRACE_EXIT (acpi_ut_ptr_exit, (u8 *), pointer)
+ ACPI_TRACE_EXIT (acpi_ut_ptr_exit, void *, pointer)
#define return_VALUE(value) \
- ACPI_TRACE_EXIT (acpi_ut_value_exit, (u64), value)
+ ACPI_TRACE_EXIT (acpi_ut_value_exit, u64, value)
+
+#define return_UINT32(value) \
+ ACPI_TRACE_EXIT (acpi_ut_value_exit, u32, value)
+
+#define return_UINT8(value) \
+ ACPI_TRACE_EXIT (acpi_ut_value_exit, u8, value)
/* Conditional execution */
@@ -428,8 +455,10 @@
#define return_VOID return
#define return_ACPI_STATUS(s) return(s)
-#define return_VALUE(s) return(s)
#define return_PTR(s) return(s)
+#define return_VALUE(s) return(s)
+#define return_UINT8(s) return(s)
+#define return_UINT32(s) return(s)
#endif /* ACPI_DEBUG_OUTPUT */
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 13:41:36 +0000