Use unsigned counters instead of signed when all the possible values are positive.
Signed-off-by: Irina Tirdea <[email protected]> Suggested-by: Hartmut Knaack <[email protected]> --- drivers/iio/accel/mma9551_core.c | 12 +++++++----- drivers/iio/accel/mma9553.c | 8 ++++---- 2 files changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/iio/accel/mma9551_core.c b/drivers/iio/accel/mma9551_core.c index c34c5ce..44b8243 100644 --- a/drivers/iio/accel/mma9551_core.c +++ b/drivers/iio/accel/mma9551_core.c @@ -115,8 +115,8 @@ struct mma9551_version_info { static int mma9551_transfer(struct i2c_client *client, u8 app_id, u8 command, u16 offset, - u8 *inbytes, int num_inbytes, - u8 *outbytes, int num_outbytes) + u8 *inbytes, u8 num_inbytes, + u8 *outbytes, u8 num_outbytes) { struct mma9551_mbox_request req; struct mma9551_mbox_response rsp; @@ -387,7 +387,8 @@ EXPORT_SYMBOL(mma9551_read_status_word); int mma9551_read_config_words(struct i2c_client *client, u8 app_id, u16 reg, u8 len, u16 *buf) { - int ret, i; + int ret; + u8 i; __be16 be_buf[MMA9551_MAX_MAILBOX_DATA_REGS / 2]; if (len > ARRAY_SIZE(be_buf)) { @@ -426,7 +427,8 @@ EXPORT_SYMBOL(mma9551_read_config_words); int mma9551_read_status_words(struct i2c_client *client, u8 app_id, u16 reg, u8 len, u16 *buf) { - int ret, i; + int ret; + u8 i; __be16 be_buf[MMA9551_MAX_MAILBOX_DATA_REGS / 2]; if (len > ARRAY_SIZE(be_buf)) { @@ -465,7 +467,7 @@ EXPORT_SYMBOL(mma9551_read_status_words); int mma9551_write_config_words(struct i2c_client *client, u8 app_id, u16 reg, u8 len, u16 *buf) { - int i; + u8 i; __be16 be_buf[(MMA9551_MAX_MAILBOX_DATA_REGS - 1) / 2]; if (len > ARRAY_SIZE(be_buf)) { diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c index a605280..ad587ec 100644 --- a/drivers/iio/accel/mma9553.c +++ b/drivers/iio/accel/mma9553.c @@ -189,7 +189,7 @@ struct mma9553_data { struct mutex mutex; struct mma9553_conf_regs conf; struct mma9553_event events[MMA9553_EVENTS_INFO_SIZE]; - int num_events; + u8 num_events; u8 gpio_bitnum; /* * This is used for all features that depend on step count: @@ -230,7 +230,7 @@ static enum iio_modifier mma9553_activity_to_mod(enum activity_level activity) static void mma9553_init_events(struct mma9553_data *data) { - int i; + u8 i; data->num_events = MMA9553_EVENTS_INFO_SIZE; for (i = 0; i < data->num_events; i++) { @@ -244,7 +244,7 @@ static struct mma9553_event *mma9553_get_event(struct mma9553_data *data, enum iio_modifier mod, enum iio_event_direction dir) { - int i; + u8 i; for (i = 0; i < data->num_events; i++) if (data->events[i].info->type == type && @@ -259,7 +259,7 @@ static bool mma9553_is_any_event_enabled(struct mma9553_data *data, bool check_type, enum iio_chan_type type) { - int i; + u8 i; for (i = 0; i < data->num_events; i++) if ((check_type && data->events[i].info->type == type && -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
