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path: root/drivers/iio/adc/xilinx-xadc-core.c
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Diffstat (limited to 'drivers/iio/adc/xilinx-xadc-core.c')
-rw-r--r--drivers/iio/adc/xilinx-xadc-core.c37
1 files changed, 10 insertions, 27 deletions
diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
index ce93bd8e3f68..0370624a35db 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -273,33 +273,13 @@ static void xadc_zynq_unmask_worker(struct work_struct *work)
schedule_delayed_work(&xadc->zynq_unmask_work,
msecs_to_jiffies(XADC_ZYNQ_UNMASK_TIMEOUT));
}
-}
-
-static irqreturn_t xadc_zynq_threaded_interrupt_handler(int irq, void *devid)
-{
- struct iio_dev *indio_dev = devid;
- struct xadc *xadc = iio_priv(indio_dev);
- unsigned int alarm;
-
- spin_lock_irq(&xadc->lock);
- alarm = xadc->zynq_alarm;
- xadc->zynq_alarm = 0;
- spin_unlock_irq(&xadc->lock);
-
- xadc_handle_events(indio_dev, xadc_zynq_transform_alarm(alarm));
- /* unmask the required interrupts in timer. */
- schedule_delayed_work(&xadc->zynq_unmask_work,
- msecs_to_jiffies(XADC_ZYNQ_UNMASK_TIMEOUT));
-
- return IRQ_HANDLED;
}
static irqreturn_t xadc_zynq_interrupt_handler(int irq, void *devid)
{
struct iio_dev *indio_dev = devid;
struct xadc *xadc = iio_priv(indio_dev);
- irqreturn_t ret = IRQ_HANDLED;
uint32_t status;
xadc_read_reg(xadc, XADC_ZYNQ_REG_INTSTS, &status);
@@ -321,18 +301,23 @@ static irqreturn_t xadc_zynq_interrupt_handler(int irq, void *devid)
status &= XADC_ZYNQ_INT_ALARM_MASK;
if (status) {
- xadc->zynq_alarm |= status;
xadc->zynq_masked_alarm |= status;
/*
* mask the current event interrupt,
* unmask it when the interrupt is no more active.
*/
xadc_zynq_update_intmsk(xadc, 0, 0);
- ret = IRQ_WAKE_THREAD;
+
+ xadc_handle_events(indio_dev,
+ xadc_zynq_transform_alarm(status));
+
+ /* unmask the required interrupts in timer. */
+ schedule_delayed_work(&xadc->zynq_unmask_work,
+ msecs_to_jiffies(XADC_ZYNQ_UNMASK_TIMEOUT));
}
spin_unlock(&xadc->lock);
- return ret;
+ return IRQ_HANDLED;
}
#define XADC_ZYNQ_TCK_RATE_MAX 50000000
@@ -437,7 +422,6 @@ static const struct xadc_ops xadc_zynq_ops = {
.setup = xadc_zynq_setup,
.get_dclk_rate = xadc_zynq_get_dclk_rate,
.interrupt_handler = xadc_zynq_interrupt_handler,
- .threaded_interrupt_handler = xadc_zynq_threaded_interrupt_handler,
.update_alarm = xadc_zynq_update_alarm,
};
@@ -1225,9 +1209,8 @@ static int xadc_probe(struct platform_device *pdev)
if (ret)
goto err_free_samplerate_trigger;
- ret = request_threaded_irq(irq, xadc->ops->interrupt_handler,
- xadc->ops->threaded_interrupt_handler,
- 0, dev_name(&pdev->dev), indio_dev);
+ ret = request_irq(irq, xadc->ops->interrupt_handler, 0,
+ dev_name(&pdev->dev), indio_dev);
if (ret)
goto err_clk_disable_unprepare;