diff options
Diffstat (limited to 'drivers/iio/adc/at91_adc.c')
| -rw-r--r-- | drivers/iio/adc/at91_adc.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 3ed94bf..a917672 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -46,7 +46,6 @@ struct at91_adc_state { struct clk *clk; bool done; int irq; - bool irq_enabled; u16 last_value; struct mutex lock; u8 num_channels; @@ -82,10 +81,9 @@ static irqreturn_t at91_adc_trigger_handler(int irq, void *p) *timestamp = pf->timestamp; } - buffer->access->store_to(buffer, (u8 *)st->buffer); + iio_push_to_buffer(buffer, st->buffer); iio_trigger_notify_done(idev->trig); - st->irq_enabled = true; /* Needed to ACK the DRDY interruption */ at91_adc_readl(st, AT91_ADC_LCDR); @@ -106,7 +104,6 @@ static irqreturn_t at91_adc_eoc_trigger(int irq, void *private) if (iio_buffer_enabled(idev)) { disable_irq_nosync(irq); - st->irq_enabled = false; iio_trigger_poll(idev->trig, iio_get_time_ns()); } else { st->last_value = at91_adc_readl(st, AT91_ADC_LCDR); @@ -126,10 +123,8 @@ static int at91_adc_channel_init(struct iio_dev *idev) idev->num_channels = bitmap_weight(&st->channels_mask, st->num_channels) + 1; - chan_array = devm_kzalloc(&idev->dev, - ((idev->num_channels + 1) * - sizeof(struct iio_chan_spec)), - GFP_KERNEL); + chan_array = devm_kcalloc(&idev->dev, idev->num_channels + 1, + sizeof(*chan_array), GFP_KERNEL); if (!chan_array) return -ENOMEM; @@ -273,9 +268,8 @@ static int at91_adc_trigger_init(struct iio_dev *idev) struct at91_adc_state *st = iio_priv(idev); int i, ret; - st->trig = devm_kzalloc(&idev->dev, - st->trigger_number * sizeof(st->trig), - GFP_KERNEL); + st->trig = devm_kcalloc(&idev->dev, st->trigger_number, + sizeof(*st->trig), GFP_KERNEL); if (st->trig == NULL) { ret = -ENOMEM; @@ -457,9 +451,8 @@ static int at91_adc_probe_dt(struct at91_adc_state *st, st->registers->trigger_register = prop; st->trigger_number = of_get_child_count(node); - st->trigger_list = devm_kzalloc(&idev->dev, st->trigger_number * - sizeof(struct at91_adc_trigger), - GFP_KERNEL); + st->trigger_list = devm_kcalloc(&idev->dev, st->trigger_number, + sizeof(*st->trigger_list), GFP_KERNEL); if (!st->trigger_list) { dev_err(&idev->dev, "Could not allocate trigger list memory.\n"); ret = -ENOMEM; |