diff options
| author | Tom Rini <trini@konsulko.com> | 2021-06-13 07:48:22 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-06-13 07:48:22 -0400 |
| commit | 173c3bcd7dca47f1a8f7371a229681d20c7821cc (patch) | |
| tree | 934108a106980e6688a8b71daf6a576bce6f6dd9 /include/linux/rational.h | |
| parent | e8f720ee1707b43a0e14ade87b40a1f84baeb2f3 (diff) | |
| parent | 5abb694d6016eaf497c3d9a3ec79382e217e7508 (diff) | |
Merge tag 'ti-v2021.10-next-v2' of https://source.denx.de/u-boot/custodians/u-boot-ti into next
- HSM re-architecture support for all K3 platforms
- AM64 USB support
- Driver model support for Davinci RTC
Diffstat (limited to 'include/linux/rational.h')
| -rw-r--r-- | include/linux/rational.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/rational.h b/include/linux/rational.h new file mode 100644 index 00000000000..33f5f5fc3e3 --- /dev/null +++ b/include/linux/rational.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * rational fractions + * + * Copyright (C) 2009 emlix GmbH, Oskar Schirmer <oskar@scara.com> + * + * helper functions when coping with rational numbers, + * e.g. when calculating optimum numerator/denominator pairs for + * pll configuration taking into account restricted register size + */ + +#ifndef _LINUX_RATIONAL_H +#define _LINUX_RATIONAL_H + +void rational_best_approximation( + unsigned long given_numerator, unsigned long given_denominator, + unsigned long max_numerator, unsigned long max_denominator, + unsigned long *best_numerator, unsigned long *best_denominator); + +#endif /* _LINUX_RATIONAL_H */ |