[PATCH v2 04/15] media: rzg2l-cru: Use proper guard() in irq handler

Jacopo Mondi posted 15 patches 1 day, 2 hours ago
[PATCH v2 04/15] media: rzg2l-cru: Use proper guard() in irq handler
Posted by Jacopo Mondi 1 day, 2 hours ago
From: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>

The irq handler uses a scoped_guard() that covers the whole function
body.

Replace it with a more appropriate guard() and reduce the indentation.

Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Reviewed-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
---
 .../media/platform/renesas/rzg2l-cru/rzg2l-video.c | 104 ++++++++++-----------
 1 file changed, 52 insertions(+), 52 deletions(-)

diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
index 0739169f4439..75928b0f48be 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
@@ -670,70 +670,70 @@ irqreturn_t rzg3e_cru_irq(int irq, void *data)
 	u32 irq_status;
 	int slot;
 
-	scoped_guard(spinlock, &cru->qlock) {
-		irq_status = rzg2l_cru_read(cru, CRUnINTS2);
-		if (!irq_status)
-			return IRQ_NONE;
+	guard(spinlock)(&cru->qlock);
 
-		dev_dbg(cru->dev, "CRUnINTS2 0x%x\n", irq_status);
+	irq_status = rzg2l_cru_read(cru, CRUnINTS2);
+	if (!irq_status)
+		return IRQ_NONE;
 
-		rzg2l_cru_write(cru, CRUnINTS2, rzg2l_cru_read(cru, CRUnINTS2));
+	dev_dbg(cru->dev, "CRUnINTS2 0x%x\n", irq_status);
 
-		/* Nothing to do if capture status is 'RZG2L_CRU_DMA_STOPPED' */
-		if (cru->state == RZG2L_CRU_DMA_STOPPED) {
-			dev_dbg(cru->dev, "IRQ while state stopped\n");
-			return IRQ_HANDLED;
-		}
+	rzg2l_cru_write(cru, CRUnINTS2, rzg2l_cru_read(cru, CRUnINTS2));
 
-		if (cru->state == RZG2L_CRU_DMA_STOPPING) {
-			if (irq_status & CRUnINTS2_FExS(0) ||
-			    irq_status & CRUnINTS2_FExS(1) ||
-			    irq_status & CRUnINTS2_FExS(2) ||
-			    irq_status & CRUnINTS2_FExS(3))
-				dev_dbg(cru->dev, "IRQ while state stopping\n");
-			return IRQ_HANDLED;
-		}
+	/* Nothing to do if capture status is 'RZG2L_CRU_DMA_STOPPED' */
+	if (cru->state == RZG2L_CRU_DMA_STOPPED) {
+		dev_dbg(cru->dev, "IRQ while state stopped\n");
+		return IRQ_HANDLED;
+	}
 
-		slot = rzg3e_cru_get_current_slot(cru);
-		if (slot < 0)
-			return IRQ_HANDLED;
+	if (cru->state == RZG2L_CRU_DMA_STOPPING) {
+		if (irq_status & CRUnINTS2_FExS(0) ||
+		    irq_status & CRUnINTS2_FExS(1) ||
+		    irq_status & CRUnINTS2_FExS(2) ||
+		    irq_status & CRUnINTS2_FExS(3))
+			dev_dbg(cru->dev, "IRQ while state stopping\n");
+		return IRQ_HANDLED;
+	}
 
-		dev_dbg(cru->dev, "Current written slot: %d\n", slot);
-		cru->buf_addr[slot] = 0;
-
-		/*
-		 * To hand buffers back in a known order to userspace start
-		 * to capture first from slot 0.
-		 */
-		if (cru->state == RZG2L_CRU_DMA_STARTING) {
-			if (slot != 0) {
-				dev_dbg(cru->dev, "Starting sync slot: %d\n", slot);
-				return IRQ_HANDLED;
-			}
-			dev_dbg(cru->dev, "Capture start synced!\n");
-			cru->state = RZG2L_CRU_DMA_RUNNING;
-		}
+	slot = rzg3e_cru_get_current_slot(cru);
+	if (slot < 0)
+		return IRQ_HANDLED;
 
-		/* Capture frame */
-		if (cru->queue_buf[slot]) {
-			struct vb2_v4l2_buffer *buf = cru->queue_buf[slot];
-
-			buf->field = cru->format.field;
-			buf->sequence = cru->sequence;
-			buf->vb2_buf.timestamp = ktime_get_ns();
-			vb2_buffer_done(&buf->vb2_buf, VB2_BUF_STATE_DONE);
-			cru->queue_buf[slot] = NULL;
-		} else {
-			/* Scratch buffer was used, dropping frame. */
-			dev_dbg(cru->dev, "Dropping frame %u\n", cru->sequence);
+	dev_dbg(cru->dev, "Current written slot: %d\n", slot);
+	cru->buf_addr[slot] = 0;
+
+	/*
+	 * To hand buffers back in a known order to userspace start
+	 * to capture first from slot 0.
+	 */
+	if (cru->state == RZG2L_CRU_DMA_STARTING) {
+		if (slot != 0) {
+			dev_dbg(cru->dev, "Starting sync slot: %d\n", slot);
+			return IRQ_HANDLED;
 		}
+		dev_dbg(cru->dev, "Capture start synced!\n");
+		cru->state = RZG2L_CRU_DMA_RUNNING;
+	}
 
-		cru->sequence++;
+	/* Capture frame */
+	if (cru->queue_buf[slot]) {
+		struct vb2_v4l2_buffer *buf = cru->queue_buf[slot];
 
-		/* Prepare for next frame */
-		rzg2l_cru_fill_hw_slot(cru, slot);
+		buf->field = cru->format.field;
+		buf->sequence = cru->sequence;
+		buf->vb2_buf.timestamp = ktime_get_ns();
+		vb2_buffer_done(&buf->vb2_buf, VB2_BUF_STATE_DONE);
+		cru->queue_buf[slot] = NULL;
+	} else {
+		/* Scratch buffer was used, dropping frame. */
+		dev_dbg(cru->dev, "Dropping frame %u\n", cru->sequence);
 	}
 
+	cru->sequence++;
+
+	/* Prepare for next frame */
+	rzg2l_cru_fill_hw_slot(cru, slot);
+
 	return IRQ_HANDLED;
 }
 

-- 
2.53.0