From: Arnd Bergmann <arnd@xxxxxxxx> The newly added functions are declared in a header that is not included before the definition: drivers/acpi/thermal_lib.c:46:5: error: no previous prototype for 'acpi_active_trip_temp' [-Werror=missing-prototypes] 46 | int acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp) | ^~~~~~~~~~~~~~~~~~~~~ drivers/acpi/thermal_lib.c:57:5: error: no previous prototype for 'acpi_passive_trip_temp' [-Werror=missing-prototypes] 57 | int acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/thermal_lib.c:63:5: error: no previous prototype for 'acpi_hot_trip_temp' [-Werror=missing-prototypes] 63 | int acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp) | ^~~~~~~~~~~~~~~~~~ drivers/acpi/thermal_lib.c:69:5: error: no previous prototype for 'acpi_critical_trip_temp' [-Werror=missing-prototypes] 69 | int acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp) | ^~~~~~~~~~~~~~~~~~~~~~~ Fixes: 6908097aa5a7 ("ACPI: thermal_lib: Add functions returning temperature in deci-Kelvin") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/acpi/thermal_lib.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/acpi/thermal_lib.c b/drivers/acpi/thermal_lib.c index 646ff6bda6dd..4e0519ca9739 100644 --- a/drivers/acpi/thermal_lib.c +++ b/drivers/acpi/thermal_lib.c @@ -9,6 +9,7 @@ #include <linux/acpi.h> #include <linux/units.h> #include <linux/thermal.h> +#include "internal.h" /* * Minimum temperature for full military grade is 218°K (-55°C) and -- 2.39.2