I'm not sure what version of ACPICA you are looking at, but in the master git tree for ACPICA, the file accommon.h includes "acutils.h".
> -----Original Message----- > From: Rashika Kheria [mailto:rashika.khe...@gmail.com] > Sent: Tuesday, December 17, 2013 1:22 AM > To: linux-kernel@vger.kernel.org > Cc: Moore, Robert; Zheng, Lv; Wysocki, Rafael J; Len Brown; linux- > a...@vger.kernel.org; j...@joshtriplett.org; de...@acpica.org > Subject: [PATCH 05/11] drivers: acpi: Include appropriate header file in > utstate.c > > Include appropriate header file acutils.h in acpica/utstate.c because > function acpi_ut_create_pkg_state_and_push() has its prototype declaration > in acutils.h. Also, encloses the function in acpica/utstate.c in ifdef > condition of ACPI_FUTURE_USAGE. > > This eliminates the following warning in utstate.c: > drivers/acpi/acpica/utstate.c:64:1: warning: no previous prototype for > ‘acpi_ut_create_pkg_state_and_push’ [-Wmissing-prototypes] > > Signed-off-by: Rashika Kheria <rashika.khe...@gmail.com> > Reviewed-by: Josh Triplett <j...@joshtriplett.org> > --- > drivers/acpi/acpica/utstate.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/acpi/acpica/utstate.c b/drivers/acpi/acpica/utstate.c > index 03c4c2f..0920d23 100644 > --- a/drivers/acpi/acpica/utstate.c > +++ b/drivers/acpi/acpica/utstate.c > @@ -43,6 +43,7 @@ > > #include <acpi/acpi.h> > #include "accommon.h" > +#include "acutils.h" > > #define _COMPONENT ACPI_UTILITIES > ACPI_MODULE_NAME("utstate") > @@ -60,6 +61,7 @@ ACPI_MODULE_NAME("utstate") > * DESCRIPTION: Create a new state and push it > * > > ************************************************************************** > ****/ > +#ifdef ACPI_FUTURE_USAGE > acpi_status > acpi_ut_create_pkg_state_and_push(void *internal_object, > void *external_object, > @@ -79,6 +81,7 @@ acpi_ut_create_pkg_state_and_push(void *internal_object, > acpi_ut_push_generic_state(state_list, state); > return (AE_OK); > } > +#endif > > > /************************************************************************* > ****** > * > -- > 1.7.9.5 N�����r��y����b�X��ǧv�^�){.n�+����{����zX����ܨ}���Ơz�&j:+v�������zZ+��+zf���h���~����i���z� �w���?�����&�)ߢf��^jǫy�m��@A�a��� 0��h���i
