diff options
Diffstat (limited to 'drivers/staging/iio/adc/mxs-lradc.c')
| -rw-r--r-- | drivers/staging/iio/adc/mxs-lradc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index 163c638e4095..d92c97a59d61 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -620,7 +620,7 @@ static irqreturn_t mxs_lradc_trigger_handler(int irq, void *p) ((LRADC_DELAY_TIMER_LOOP - 1) << LRADC_CH_NUM_SAMPLES_OFFSET); unsigned int i, j = 0; - for_each_set_bit(i, iio->active_scan_mask, iio->masklength) { + for_each_set_bit(i, iio->active_scan_mask, LRADC_MAX_TOTAL_CHANS) { lradc->buffer[j] = readl(lradc->base + LRADC_CH(j)); writel(chan_value, lradc->base + LRADC_CH(j)); lradc->buffer[j] &= LRADC_CH_VALUE_MASK; @@ -774,8 +774,7 @@ static bool mxs_lradc_validate_scan_mask(struct iio_dev *iio, const unsigned long *mask) { struct mxs_lradc *lradc = iio_priv(iio); - const int len = iio->masklength; - const int map_chans = bitmap_weight(mask, len); + const int map_chans = bitmap_weight(mask, LRADC_MAX_TOTAL_CHANS); int rsvd_chans = 0; unsigned long rsvd_mask = 0; @@ -792,7 +791,7 @@ static bool mxs_lradc_validate_scan_mask(struct iio_dev *iio, rsvd_chans++; /* Test for attempts to map channels with special mode of operation. */ - if (bitmap_intersects(mask, &rsvd_mask, len)) + if (bitmap_intersects(mask, &rsvd_mask, LRADC_MAX_TOTAL_CHANS)) return false; /* Test for attempts to map more channels then available slots. */ @@ -968,6 +967,7 @@ static int mxs_lradc_probe(struct platform_device *pdev) iio->modes = INDIO_DIRECT_MODE; iio->channels = mxs_lradc_chan_spec; iio->num_channels = ARRAY_SIZE(mxs_lradc_chan_spec); + iio->masklength = LRADC_MAX_TOTAL_CHANS; ret = iio_triggered_buffer_setup(iio, &iio_pollfunc_store_time, &mxs_lradc_trigger_handler, |