From: Peter Meerwald <pmeerw@pmeerw.net>
To: Jonathan Cameron <jic23@kernel.org>
Cc: linux-iio@vger.kernel.org, Peter Meerwald <pmeerw@pmeerw.net>
Subject: [PATCH] iio: remove useless irq_enabled variable in at91
Date: Sat, 13 Oct 2012 10:06:32 +0200 [thread overview]
Message-ID: <1350115595-7107-1-git-send-email-pmeerw@pmeerw.net> (raw)
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>
---
drivers/iio/adc/at91_adc.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 3ed94bf..b3ba8af 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);
--
1.7.9.5
next reply other threads:[~2012-10-13 8:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-13 8:06 Peter Meerwald [this message]
2012-10-13 8:06 ` [PATCH] iio: use iio_push_to_buffer() in at91 driver Peter Meerwald
2012-10-13 9:40 ` Jonathan Cameron
2012-10-13 8:06 ` [PATCH] staging iio: use iio_trigger_generic_data_rdy_poll() in accel/adis16209,adis16240 driver Peter Meerwald
2012-10-13 9:42 ` Jonathan Cameron
2012-10-13 8:06 ` [PATCH] iio: fix spelling of Accelerometer in Kconfig Peter Meerwald
2012-10-13 9:43 ` Jonathan Cameron
2012-10-13 9:37 ` [PATCH] iio: remove useless irq_enabled variable in at91 Jonathan Cameron
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