On 2020-05-05 07:03, Geert Uytterhoeven wrote: > request_queue.rpm_status is assigned values of the rpm_status enum only, > so reflect that in its type. > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > --- > Perhaps this was done to avoid the need to #include <linux/pm.h>? > Let's see what kbuild has to report about this... > > v2: > - Add Acked-by. > --- > include/linux/blkdev.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h > index f00bd4042295967d..1e2c6f7a188941f1 100644 > --- a/include/linux/blkdev.h > +++ b/include/linux/blkdev.h > @@ -454,7 +454,7 @@ struct request_queue { > > #ifdef CONFIG_PM > struct device *dev; > - int rpm_status; > + enum rpm_status rpm_status; > unsigned int nr_pending; > #endif Forward declarations of enums are not supported by the C language as far as I know. Relying on kbuild to decide whether or not to include <linux/pm.h> seems wrong to me. Please either add #include <linux/pm.h> or drop this patch. Thanks, Bart.