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Commit 46ee98a2 authored by Vlad Dogaru's avatar Vlad Dogaru Committed by Jonathan Cameron
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bmp280: use correct routine for division 



The proper way to divide two signed 64-bit values is to use div64_s64.

Signed-off-by: default avatarVlad Dogaru <vlad.dogaru@intel.com>
Reported-by: default avatarkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent d5c94568

drivers/iio/pressure/bmp280.c

+1 −1
Original line number Diff line number Diff line
@@ -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);