From 46ee98a206c1fa6fc394791fb6188a47820a80b5 Mon Sep 17 00:00:00 2001 From: Vlad Dogaru Date: Thu, 23 Oct 2014 15:52:00 +0100 Subject: [PATCH] bmp280: use correct routine for division The proper way to divide two signed 64-bit values is to use div64_s64. Signed-off-by: Vlad Dogaru Reported-by: kbuild test robot Signed-off-by: Jonathan Cameron --- drivers/iio/pressure/bmp280.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/pressure/bmp280.c b/drivers/iio/pressure/bmp280.c index fb91cb35b331..ce29ff91bce7 100644 --- a/drivers/iio/pressure/bmp280.c +++ b/drivers/iio/pressure/bmp280.c @@ -239,7 +239,7 @@ static u32 bmp280_compensate_press(struct bmp280_data *data, return 0; p = ((((s64) 1048576 - adc_press) << 31) - var2) * 3125; - do_div(p, var1); + p = div64_s64(p, var1); var1 = (((s64) comp->dig_p9) * (p >> 13) * (p >> 13)) >> 25; var2 = (((s64) comp->dig_p8) * p) >> 19; p = ((p + var1 + var2) >> 8) + (((s64) comp->dig_p7) << 4); -- 2.20.1