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-rw-r--r--src/acpi/Kconfig6
-rw-r--r--src/acpi/acpigen.c5
2 files changed, 5 insertions, 6 deletions
diff --git a/src/acpi/Kconfig b/src/acpi/Kconfig
index 3b02070554..a45a68c458 100644
--- a/src/acpi/Kconfig
+++ b/src/acpi/Kconfig
@@ -8,13 +8,11 @@ config ACPI_AMD_HARDWARE_SLEEP_VALUES
config ACPI_CPU_STRING
string
- default "\\_SB.CP%02X"
+ default "CP%02X"
depends on HAVE_ACPI_TABLES
help
Specifies the ACPI name format string used by the acpigen
- function to generate the processor scope. Default is \_SB.CPxx.
- Note that you need to escape the '\' character in the string.
- The resulting string will be truncated to at most 15 chars.
+ function to generate the processor scope. Default is CPxx.
config ACPI_HAVE_PCAT_8259
def_bool y if !ACPI_NO_PCAT_8259
diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c
index 6bc587577f..9a9f5c52bd 100644
--- a/src/acpi/acpigen.c
+++ b/src/acpi/acpigen.c
@@ -391,7 +391,7 @@ void acpigen_set_package_element_namestr(const char *package, unsigned int eleme
void acpigen_write_processor_namestring(unsigned int cpu_index)
{
char buffer[16];
- snprintf(buffer, sizeof(buffer), CONFIG_ACPI_CPU_STRING, cpu_index);
+ snprintf(buffer, sizeof(buffer), "\\_SB." CONFIG_ACPI_CPU_STRING, cpu_index);
acpigen_emit_namestring(buffer);
}
@@ -1939,7 +1939,8 @@ void acpigen_write_CPPC_package(const struct cppc_config *config)
void acpigen_write_CPPC_method(void)
{
char pscope[16];
- snprintf(pscope, sizeof(pscope), CONFIG_ACPI_CPU_STRING "." CPPC_PACKAGE_NAME, 0);
+ snprintf(pscope, sizeof(pscope),
+ "\\_SB." CONFIG_ACPI_CPU_STRING "." CPPC_PACKAGE_NAME, 0);
acpigen_write_method("_CPC", 0);
acpigen_emit_byte(RETURN_OP);