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| author | Sergei Poselenov <sposelenov@emcraft.com> | 2008-08-14 14:08:28 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-09-09 02:14:41 +0200 |
| commit | 4265c35fbcb248e58179007621d61d32d0b3b82a (patch) | |
| tree | 4a97e0570b7b11a9ae895bf9fd0be14d51461b0f /board/trab/tsc2000.c | |
| parent | 1055171ed05b7c4885737463d52b8d6c013bcb5d (diff) | |
| download | u-boot-imx-4265c35fbcb248e58179007621d61d32d0b3b82a.zip u-boot-imx-4265c35fbcb248e58179007621d61d32d0b3b82a.tar.gz u-boot-imx-4265c35fbcb248e58179007621d61d32d0b3b82a.tar.bz2 | |
ARM: Use do_div() instead of division for "long long".
Signed-off-by: Sergei Poselenov <sposelenov@emcraft.com>
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'board/trab/tsc2000.c')
| -rw-r--r-- | board/trab/tsc2000.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/board/trab/tsc2000.c b/board/trab/tsc2000.c index 382a85b..f13a5a9 100644 --- a/board/trab/tsc2000.c +++ b/board/trab/tsc2000.c @@ -27,6 +27,7 @@ #include <common.h> #include <s3c2400.h> +#include <div64.h> #include "tsc2000.h" #include "Pt1000_temp_data.h" @@ -332,6 +333,7 @@ void tsc2000_reg_init (void) int tsc2000_interpolate(long value, long data[][2], long *result) { int i; + unsigned long long val; /* the data is sorted and the first element is upper * limit so we can easily check for out-of-band values @@ -347,10 +349,10 @@ int tsc2000_interpolate(long value, long data[][2], long *result) result in 'long long'. */ - *result = data[i-1][1] + - ((unsigned long long)(data[i][1] - data[i-1][1]) - * (unsigned long long)(value - data[i-1][0])) - / (data[i][0] - data[i-1][0]); + val = ((unsigned long long)(data[i][1] - data[i-1][1]) + * (unsigned long long)(value - data[i-1][0])); + do_div(val, (data[i][0] - data[i-1][0])); + *result = data[i-1][1] + val; return 0; } |