Prepare for the advent of globally available common field_get() and
field_prep() macros by undefining the symbols before defining local
variants.  This prevents redefinition warnings from the C preprocessor
when introducing the common macros later.

Suggested-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
v6:
  - Add Acked-by,

v5:
  - New.
---
 drivers/clk/at91/pmc.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index 5daa32c4cf2540d7..78a87d31463e98b0 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -117,7 +117,9 @@ struct at91_clk_pms {
 	unsigned int parent;
 };
 
+#undef field_get
 #define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
+#undef field_prep
 #define field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask))
 
 #define ndck(a, s) (a[s - 1].id + 1)
-- 
2.43.0

Quoting Geert Uytterhoeven (2025-11-06 05:33:49)
> Prepare for the advent of globally available common field_get() and
> field_prep() macros by undefining the symbols before defining local
> variants.  This prevents redefinition warnings from the C preprocessor
> when introducing the common macros later.
> 
> Suggested-by: Yury Norov <yury.norov@gmail.com>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
> ---

Acked-by: Stephen Boyd <sboyd@kernel.org>

On 11/6/25 15:33, Geert Uytterhoeven wrote:
> Prepare for the advent of globally available common field_get() and
> field_prep() macros by undefining the symbols before defining local
> variants.  This prevents redefinition warnings from the C preprocessor
> when introducing the common macros later.
> 
> Suggested-by: Yury Norov <yury.norov@gmail.com>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

Acked-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>