Clang warns: drivers/acpi/tables.c:715:14: warning: unused variable 'amlcode' [-Wunused-variable] static void *amlcode __attribute__ ((weakref("AmlCode"))); ^ drivers/acpi/tables.c:716:14: warning: unused variable 'dsdt_amlcode' [-Wunused-variable] static void *dsdt_amlcode __attribute__ ((weakref("dsdt_aml_code"))); ^ 2 warnings generated. The only uses of these variables are hiddem behind CONFIG_ACPI_CUSTOM_DSDT so do the same thing here. Fixes: 82e4eb4e9653 ("ACPI / tables: add DSDT AmlCode new declaration name support") Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx> --- drivers/acpi/tables.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index ccb90eff00e5..48eabb6c2d4f 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -712,8 +712,10 @@ acpi_os_physical_table_override(struct acpi_table_header *existing_table, table_length); } +#ifdef CONFIG_ACPI_CUSTOM_DSDT static void *amlcode __attribute__ ((weakref("AmlCode"))); static void *dsdt_amlcode __attribute__ ((weakref("dsdt_aml_code"))); +#endif acpi_status acpi_os_table_override(struct acpi_table_header *existing_table, -- 2.20.1