From 7d0f3fbb93cfebd7b5dc5635166e48ab998c4f82 Mon Sep 17 00:00:00 2001 From: Tero Kristo Date: Fri, 11 Jun 2021 11:45:02 +0300 Subject: lib: rational: copy the rational fraction lib routines from Linux Copy the best rational approximation calculation routines from Linux. Typical usecase for these routines is to calculate the M/N divider values for PLLs to reach a specific clock rate. This is based on linux kernel commit: "lib/math/rational.c: fix possible incorrect result from rational fractions helper" (sha1: 323dd2c3ed0641f49e89b4e420f9eef5d3d5a881) Signed-off-by: Tero Kristo Reviewed-by: Tom Rini Signed-off-by: Tero Kristo --- lib/Makefile | 2 ++ 1 file changed, 2 insertions(+) (limited to 'lib/Makefile') diff --git a/lib/Makefile b/lib/Makefile index b4795a62a0..881034f4ae 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -73,6 +73,8 @@ obj-$(CONFIG_$(SPL_)LZO) += lzo/ obj-$(CONFIG_$(SPL_)LZMA) += lzma/ obj-$(CONFIG_$(SPL_)LZ4) += lz4_wrapper.o +obj-$(CONFIG_$(SPL_)LIB_RATIONAL) += rational.o + obj-$(CONFIG_LIBAVB) += libavb/ obj-$(CONFIG_$(SPL_TPL_)OF_LIBFDT) += libfdt/ -- cgit v1.2.3