diff mbox series

[v2,006/108] media: ti-vpe: cal: Merge all status variables in IRQ handler

Message ID 20200706183709.12238-7-laurent.pinchart@ideasonboard.com (mailing list archive)
State New, archived
Headers show
Series media: ti-vpe: cal: Add media controller support | expand

Commit Message

Laurent Pinchart July 6, 2020, 6:35 p.m. UTC 
The cal_irq() function reads three IRQ status registers and stores their
values in three different variables. As each value is processed right
after reading the corresponding register, a single variable is enough.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
---
Changes since v1:

- Keep 'i' as if scope variables
---
 drivers/media/platform/ti-vpe/cal.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c
index b04d8cb86977..2aa28af7cad3 100644
--- a/drivers/media/platform/ti-vpe/cal.c
+++ b/drivers/media/platform/ti-vpe/cal.c
@@ -1206,19 +1206,19 @@  static irqreturn_t cal_irq(int irq_cal, void *data)
 	struct cal_dev *dev = (struct cal_dev *)data;
 	struct cal_ctx *ctx;
 	struct cal_dmaqueue *dma_q;
-	u32 irqst0, irqst1, irqst2;
+	u32 status;
 
-	irqst0 = reg_read(dev, CAL_HL_IRQSTATUS(0));
-	if (irqst0) {
+	status = reg_read(dev, CAL_HL_IRQSTATUS(0));
+	if (status) {
 		int i;
 
-		reg_write(dev, CAL_HL_IRQSTATUS(0), irqst0);
+		reg_write(dev, CAL_HL_IRQSTATUS(0), status);
 
-		if (irqst1 & CAL_HL_IRQ_OCPO_ERR_MASK)
+		if (status & CAL_HL_IRQ_OCPO_ERR_MASK)
 			dev_err_ratelimited(&dev->pdev->dev, "OCPO ERROR\n");
 
 		for (i = 0; i < 2; ++i) {
-			if (irqst1 & CAL_HL_IRQ_CIO_MASK(i)) {
+			if (status & CAL_HL_IRQ_CIO_MASK(i)) {
 				u32 cio_stat = reg_read(dev,
 							CAL_CSI2_COMPLEXIO_IRQSTATUS(i));
 
@@ -1232,15 +1232,15 @@  static irqreturn_t cal_irq(int irq_cal, void *data)
 	}
 
 	/* Check which DMA just finished */
-	irqst1 = reg_read(dev, CAL_HL_IRQSTATUS(1));
-	if (irqst1) {
+	status = reg_read(dev, CAL_HL_IRQSTATUS(1));
+	if (status) {
 		int i;
 
 		/* Clear Interrupt status */
-		reg_write(dev, CAL_HL_IRQSTATUS(1), irqst1);
+		reg_write(dev, CAL_HL_IRQSTATUS(1), status);
 
 		for (i = 0; i < 2; ++i) {
-			if (isportirqset(irqst1,  i)) {
+			if (isportirqset(status, i)) {
 				ctx = dev->ctx[i];
 
 				spin_lock(&ctx->slock);
@@ -1255,15 +1255,15 @@  static irqreturn_t cal_irq(int irq_cal, void *data)
 	}
 
 	/* Check which DMA just started */
-	irqst2 = reg_read(dev, CAL_HL_IRQSTATUS(2));
-	if (irqst2) {
+	status = reg_read(dev, CAL_HL_IRQSTATUS(2));
+	if (status) {
 		int i;
 
 		/* Clear Interrupt status */
-		reg_write(dev, CAL_HL_IRQSTATUS(2), irqst2);
+		reg_write(dev, CAL_HL_IRQSTATUS(2), status);
 
 		for (i = 0; i < 2; ++i) {
-			if (isportirqset(irqst2, i)) {
+			if (isportirqset(status, i)) {
 				ctx = dev->ctx[i];
 				dma_q = &ctx->vidq;