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| author | Antony Pavlov <antonynpavlov@gmail.com> | 2014-07-30 00:10:17 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-31 07:30:51 +0200 |
| commit | 6d3fc76b7720c6eeb5f38cce32290cbbe28ae146 (patch) | |
| tree | 2feef0ee70652d07ae3cb4491c06873d73e8aa8d /lib | |
| parent | 2fd4f0fbe93ec7e6e10b3475257521dd8418f8e7 (diff) | |
| download | barebox-6d3fc76b7720c6eeb5f38cce32290cbbe28ae146.tar.gz barebox-6d3fc76b7720c6eeb5f38cce32290cbbe28ae146.tar.xz | |
lib: import 'bcd' from linux-3.15
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Makefile | 1 | ||||
| -rw-r--r-- | lib/bcd.c | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/lib/Makefile b/lib/Makefile index e8769a9be2..14442a7be5 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -1,3 +1,4 @@ +obj-y += bcd.o obj-$(CONFIG_BOOTSTRAP) += bootstrap/ obj-y += ctype.o obj-y += rbtree.o diff --git a/lib/bcd.c b/lib/bcd.c new file mode 100644 index 0000000000..b072d50a90 --- /dev/null +++ b/lib/bcd.c @@ -0,0 +1,14 @@ +#include <linux/bcd.h> +#include <module.h> + +unsigned _bcd2bin(unsigned char val) +{ + return (val & 0x0f) + (val >> 4) * 10; +} +EXPORT_SYMBOL(_bcd2bin); + +unsigned char _bin2bcd(unsigned val) +{ + return ((val / 10) << 4) + val % 10; +} +EXPORT_SYMBOL(_bin2bcd); |