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authorPeter Meerwald <pmeerw@pmeerw.net>2012-10-13 09:06:00 +0100
committerJonathan Cameron <jic23@kernel.org>2012-10-19 16:18:54 +0100
commite1562ef30438d4850e3f4ea0fc5711ea658a1f69 (patch)
treebce81b2df9a8f24f74ed21d349b7ca75a4aa6ff1
parent73327b4c80713da3a854fb04ef7e9739fe006709 (diff)
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>
-rw-r--r--drivers/iio/adc/at91_adc.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 3ed94bf80596..b3ba8af4f261 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;
@@ -85,7 +84,6 @@ static irqreturn_t at91_adc_trigger_handler(int irq, void *p)
buffer->access->store_to(buffer, (u8 *)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);