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authorMartin Kepplinger <martink@posteo.de>2016-11-21 20:53:54 +0100
committerJonathan Cameron <jic23@kernel.org>2016-12-03 08:56:28 +0000
commit32b28076801cadf67eb8fce9aba09a9f08ef9c99 (patch)
tree9794c20bc4790d323f38f01c89fe48801412a40c /drivers/iio/accel
parent25fc503e2dca093b63e335e4b4ec2226df947601 (diff)
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: Martin Kepplinger <martink@posteo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/accel')
-rw-r--r--drivers/iio/accel/mma8452.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index f418c588af6a..eb6e3dc789b2 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -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*/