Merge tag 'v4.4-rc2' into drm-intel-next-queued

Linux 4.4-rc2

Backmerge to get at

commit 1b0e3a049efe471c399674fd954500ce97438d30
Author: Imre Deak <imre.deak@intel.com>
Date:   Thu Nov 5 23:04:11 2015 +0200

    drm/i915/skl: disable display side power well support for now

so that we can proplery re-eanble skl power wells in -next.

Conflicts are just adjacent lines changed, except for intel_fbdev.c
where we need to interleave the changs. Nothing nefarious.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

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 ce93bd8e3f68..02e636a1c49a 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;