diff options
author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-02-06 22:03:16 +0300 |
---|---|---|
committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-02-21 22:33:04 +0300 |
commit | c27e1e1a2444939c1f2f8b5633083e2995692f28 (patch) | |
tree | b11de6c3d9f47763ba113c6f6dc453599cd21a2b | |
parent | 96ccdbc07a742f8a7ba986a0eb96cb85ee1733df (diff) | |
download | linux-c27e1e1a2444939c1f2f8b5633083e2995692f28.tar.xz |
staging:iio:adc:ad7280a: Drop unused timestamp channel.
The driver doesn't support buffered mode, so a timestamp channel that
is entirely hidden from userspace without buffer mode is rather pointless.
Drop it.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://lore.kernel.org/r/20220206190328.333093-9-jic23@kernel.org
-rw-r--r-- | drivers/staging/iio/adc/ad7280a.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c index 29edbda64230..c1ac46a8112e 100644 --- a/drivers/staging/iio/adc/ad7280a.c +++ b/drivers/staging/iio/adc/ad7280a.c @@ -613,16 +613,6 @@ static void ad7280_total_voltage_channel_init(struct iio_chan_spec *chan, chan->scan_type.storagebits = 32; } -static void ad7280_timestamp_channel_init(struct iio_chan_spec *chan, int cnt) -{ - chan->type = IIO_TIMESTAMP; - chan->channel = -1; - chan->scan_index = cnt; - chan->scan_type.sign = 's'; - chan->scan_type.realbits = 64; - chan->scan_type.storagebits = 64; -} - static void ad7280_init_dev_channels(struct ad7280_state *st, int dev, int *cnt) { int addr, ch, i; @@ -650,7 +640,7 @@ static int ad7280_channel_init(struct ad7280_state *st) { int dev, cnt = 0; - st->channels = devm_kcalloc(&st->spi->dev, (st->slave_num + 1) * 12 + 2, + st->channels = devm_kcalloc(&st->spi->dev, (st->slave_num + 1) * 12 + 1, sizeof(*st->channels), GFP_KERNEL); if (!st->channels) return -ENOMEM; @@ -659,8 +649,6 @@ static int ad7280_channel_init(struct ad7280_state *st) ad7280_init_dev_channels(st, dev, &cnt); ad7280_total_voltage_channel_init(&st->channels[cnt], cnt, dev); - cnt++; - ad7280_timestamp_channel_init(&st->channels[cnt], cnt); return cnt + 1; } |