Prepare for the advent of a globally available common field_get() macro
by undefining the symbol before defining a local variant.  This prevents
redefinition warnings from the C preprocessor when introducing the common
macro later.

Suggested-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
v6:
  - No changes,

v5:
  - New.
---
 drivers/soc/renesas/rz-sysc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/renesas/rz-sysc.c b/drivers/soc/renesas/rz-sysc.c
index 9f79e299e6f41641..b9880085d3634065 100644
--- a/drivers/soc/renesas/rz-sysc.c
+++ b/drivers/soc/renesas/rz-sysc.c
@@ -16,6 +16,7 @@
 
 #include "rz-sysc.h"
 
+#undef field_get
 #define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
 
 /**
-- 
2.43.0

On 11/6/25 15:33, Geert Uytterhoeven wrote:
> Prepare for the advent of a globally available common field_get() macro
> by undefining the symbol before defining a local variant.  This prevents
> redefinition warnings from the C preprocessor when introducing the common
> macro later.
> 
> Suggested-by: Yury Norov <yury.norov@gmail.com>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Reviewed-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>