math.h: Add unsigned 8 bits fractional numbers type

Some users may be requiring only rather small numbers as both
numerator and denominator: add signed and unsigned 8 bits
structs {s8,u8}_fract.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20240604123008.327424-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/include/linux/math.h b/include/linux/math.h
index dd4152711de7d53ad104b464244563c00c93f3dd..f5f18dc3616b01b39e6a7f1237f1c46cab7a0c7f 100644 (file)
--- a/include/linux/math.h
+++ b/include/linux/math.h
@@ -112,6 +112,8 @@ struct type##_fract {                                       \
        __##type numerator;                             \
        __##type denominator;                           \
 };
+__STRUCT_FRACT(s8)
+__STRUCT_FRACT(u8)
 __STRUCT_FRACT(s16)
 __STRUCT_FRACT(u16)
 __STRUCT_FRACT(s32)