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path: root/drivers/acpi/acpica/utmisc.c
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Diffstat (limited to 'drivers/acpi/acpica/utmisc.c')
-rw-r--r--drivers/acpi/acpica/utmisc.c85
1 files changed, 79 insertions, 6 deletions
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c
index fbe782348b0b..61f6315fce9f 100644
--- a/drivers/acpi/acpica/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -50,6 +50,11 @@
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utmisc")
+/*
+ * Common suffix for messages
+ */
+#define ACPI_COMMON_MSG_SUFFIX \
+ acpi_os_printf(" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
/*******************************************************************************
*
* FUNCTION: acpi_ut_validate_exception
@@ -120,6 +125,34 @@ const char *acpi_ut_validate_exception(acpi_status status)
/*******************************************************************************
*
+ * FUNCTION: acpi_ut_is_pci_root_bridge
+ *
+ * PARAMETERS: Id - The HID/CID in string format
+ *
+ * RETURN: TRUE if the Id is a match for a PCI/PCI-Express Root Bridge
+ *
+ * DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_is_pci_root_bridge(char *id)
+{
+
+ /*
+ * Check if this is a PCI root bridge.
+ * ACPI 3.0+: check for a PCI Express root also.
+ */
+ if (!(ACPI_STRCMP(id,
+ PCI_ROOT_HID_STRING)) ||
+ !(ACPI_STRCMP(id, PCI_EXPRESS_ROOT_HID_STRING))) {
+ return (TRUE);
+ }
+
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ut_is_aml_table
*
* PARAMETERS: Table - An ACPI table
@@ -1037,8 +1070,7 @@ acpi_error(const char *module_name, u32 line_number, const char *format, ...)
va_start(args, format);
acpi_os_vprintf(format, args);
- acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name,
- line_number);
+ ACPI_COMMON_MSG_SUFFIX;
va_end(args);
}
@@ -1052,8 +1084,7 @@ acpi_exception(const char *module_name,
va_start(args, format);
acpi_os_vprintf(format, args);
- acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name,
- line_number);
+ ACPI_COMMON_MSG_SUFFIX;
va_end(args);
}
@@ -1066,8 +1097,7 @@ acpi_warning(const char *module_name, u32 line_number, const char *format, ...)
va_start(args, format);
acpi_os_vprintf(format, args);
- acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name,
- line_number);
+ ACPI_COMMON_MSG_SUFFIX;
va_end(args);
}
@@ -1088,3 +1118,46 @@ ACPI_EXPORT_SYMBOL(acpi_error)
ACPI_EXPORT_SYMBOL(acpi_exception)
ACPI_EXPORT_SYMBOL(acpi_warning)
ACPI_EXPORT_SYMBOL(acpi_info)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_predefined_warning
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * Pathname - Full pathname to the node
+ * node_flags - From Namespace node for the method/object
+ * Format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Warnings for the predefined validation module. Messages are
+ * only emitted the first time a problem with a particular
+ * method/object is detected. This prevents a flood of error
+ * messages for methods that are repeatedly evaluated.
+ *
+******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_predefined_warning(const char *module_name,
+ u32 line_number,
+ char *pathname,
+ u8 node_flags, const char *format, ...)
+{
+ va_list args;
+
+ /*
+ * Warning messages for this method/object will be disabled after the
+ * first time a validation fails or an object is successfully repaired.
+ */
+ if (node_flags & ANOBJ_EVALUATED) {
+ return;
+ }
+
+ acpi_os_printf("ACPI Warning for %s: ", pathname);
+
+ va_start(args, format);
+ acpi_os_vprintf(format, args);
+ ACPI_COMMON_MSG_SUFFIX;
+ va_end(args);
+}