diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/iio/adc/xilinx-xadc-core.c | |
parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/iio/adc/xilinx-xadc-core.c')
-rw-r--r-- | drivers/iio/adc/xilinx-xadc-core.c | 38 |
1 files changed, 11 insertions, 27 deletions
diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index ce93bd8e3..02e636a1c 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, }; @@ -857,6 +841,7 @@ static int xadc_read_raw(struct iio_dev *indio_dev, case XADC_REG_VCCINT: case XADC_REG_VCCAUX: case XADC_REG_VREFP: + case XADC_REG_VREFN: case XADC_REG_VCCBRAM: case XADC_REG_VCCPINT: case XADC_REG_VCCPAUX: @@ -1225,9 +1210,8 @@ 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; |