iio: remove useless irq_enabled variable in at91
irq_enabled is only set, but never read Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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73327b4c80
Коммит
e1562ef304
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@ -46,7 +46,6 @@ struct at91_adc_state {
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struct clk *clk;
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struct clk *clk;
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bool done;
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bool done;
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int irq;
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int irq;
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bool irq_enabled;
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u16 last_value;
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u16 last_value;
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struct mutex lock;
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struct mutex lock;
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u8 num_channels;
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u8 num_channels;
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@ -85,7 +84,6 @@ static irqreturn_t at91_adc_trigger_handler(int irq, void *p)
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buffer->access->store_to(buffer, (u8 *)st->buffer);
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buffer->access->store_to(buffer, (u8 *)st->buffer);
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iio_trigger_notify_done(idev->trig);
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iio_trigger_notify_done(idev->trig);
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st->irq_enabled = true;
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/* Needed to ACK the DRDY interruption */
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/* Needed to ACK the DRDY interruption */
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at91_adc_readl(st, AT91_ADC_LCDR);
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at91_adc_readl(st, AT91_ADC_LCDR);
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@ -106,7 +104,6 @@ static irqreturn_t at91_adc_eoc_trigger(int irq, void *private)
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if (iio_buffer_enabled(idev)) {
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if (iio_buffer_enabled(idev)) {
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disable_irq_nosync(irq);
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disable_irq_nosync(irq);
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st->irq_enabled = false;
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iio_trigger_poll(idev->trig, iio_get_time_ns());
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iio_trigger_poll(idev->trig, iio_get_time_ns());
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} else {
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} else {
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st->last_value = at91_adc_readl(st, AT91_ADC_LCDR);
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st->last_value = at91_adc_readl(st, AT91_ADC_LCDR);
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