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Commit 32b28076 authored by Martin Kepplinger's avatar Martin Kepplinger Committed by Jonathan Cameron
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iio: accel: mma8452: define unsigned return values where appropriate 



smatch warned:
	sval_binop_signed: invalid divide LLONG_MIN/-1

and this fixes it. It's actually good to have, in order to avoid accidental
checking for negative return values here.

Signed-off-by: default avatarMartin Kepplinger <martink@posteo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 25fc503e

drivers/iio/accel/mma8452.c

+2 −2
Original line number Diff line number Diff line
@@ -248,7 +248,7 @@ static int mma8452_get_int_plus_micros_index(const int (*vals)[2], int n, 
	return -EINVAL;

}



static int mma8452_get_odr_index(struct mma8452_data *data)

static unsigned int mma8452_get_odr_index(struct mma8452_data *data)

{

	return (data->ctrl_reg1 & MMA8452_CTRL_DR_MASK) >>

			MMA8452_CTRL_DR_SHIFT;
@@ -260,7 +260,7 @@ static const int mma8452_samp_freq[8][2] = { 
};



/* Datasheet table: step time "Relationship with the ODR" (sample frequency) */

static const int mma8452_transient_time_step_us[4][8] = {

static const unsigned int mma8452_transient_time_step_us[4][8] = {

	{ 1250, 2500, 5000, 10000, 20000, 20000, 20000, 20000 },  /* normal */

	{ 1250, 2500, 5000, 10000, 20000, 80000, 80000, 80000 },  /* l p l n */

	{ 1250, 2500, 2500, 2500, 2500, 2500, 2500, 2500 },	  /* high res*/