[PATCH 29/31] dm: core: Guard against including dm.h in header files

Header files generally should not include header files just for a struct, since forward declarations work just as well and reduce overhead.

Add a warning for dm.h being included, since this has crept into U-Boot.

Signed-off-by: Simon Glass sjg@chromium.org ---

include/dm.h | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/include/dm.h b/include/dm.h index 2e1afda440..a1b84169e6 100644 --- a/include/dm.h +++ b/include/dm.h @@ -3,6 +3,10 @@ * Copyright (c) 2013 Google, Inc */

+#ifdef _DM_H_ +#warning "Suspect dm.h is included from a header file - please fix" +#endif + #ifndef _DM_H_ #define _DM_H_