[PATCH v6 06/26] iio: mlx90614: #undef field_{get,prep}() before local definition
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: 2025-11-06 13:35:34
Also in:
linux-clk, linux-crypto, linux-edac, linux-gpio, linux-iio, linux-renesas-soc, linux-sound, lkml
Subsystem:
iio subsystem and drivers, melexis mlx90614 driver, the rest · Maintainers:
Jonathan Cameron, Crt Mori, Linus Torvalds
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> --- v6: - No changes, v5: - New. --- drivers/iio/temperature/mlx90614.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c
index 8a44a00bfd5ece38..de5615fdb396aa3c 100644
--- a/drivers/iio/temperature/mlx90614.c
+++ b/drivers/iio/temperature/mlx90614.c@@ -69,7 +69,9 @@ #define MLX90614_CONST_FIR 0x7 /* Fixed value for FIR part of low pass filter */ /* Non-constant mask variant of FIELD_GET() and FIELD_PREP() */ +#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)) struct mlx_chip_info {
--
2.43.0