From 4265c35fbcb248e58179007621d61d32d0b3b82a Mon Sep 17 00:00:00 2001 From: Sergei Poselenov Date: Thu, 14 Aug 2008 14:08:28 +0200 Subject: ARM: Use do_div() instead of division for "long long". Signed-off-by: Sergei Poselenov Signed-off-by: Wolfgang Denk --- board/trab/tsc2000.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'board/trab') diff --git a/board/trab/tsc2000.c b/board/trab/tsc2000.c index 382a85b359..f13a5a9dc0 100644 --- a/board/trab/tsc2000.c +++ b/board/trab/tsc2000.c @@ -27,6 +27,7 @@ #include #include +#include #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; } -- cgit v1.2.3