diff --git a/drivers/media/video/cx18/cx18-io.c b/drivers/media/video/cx18/cx18-io.c
index 700ab9439c1..31be5e8684d 100644
--- a/drivers/media/video/cx18/cx18-io.c
+++ b/drivers/media/video/cx18/cx18-io.c
@@ -218,7 +218,7 @@ void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count)
 void cx18_sw1_irq_enable(struct cx18 *cx, u32 val)
 {
 	u32 r;
-	cx18_write_reg(cx, val, SW1_INT_STATUS);
+	cx18_write_reg_noretry(cx, val, SW1_INT_STATUS);
 	r = cx18_read_reg(cx, SW1_INT_ENABLE_PCI);
 	cx18_write_reg(cx, r | val, SW1_INT_ENABLE_PCI);
 }
@@ -233,7 +233,7 @@ void cx18_sw1_irq_disable(struct cx18 *cx, u32 val)
 void cx18_sw2_irq_enable(struct cx18 *cx, u32 val)
 {
 	u32 r;
-	cx18_write_reg(cx, val, SW2_INT_STATUS);
+	cx18_write_reg_noretry(cx, val, SW2_INT_STATUS);
 	r = cx18_read_reg(cx, SW2_INT_ENABLE_PCI);
 	cx18_write_reg(cx, r | val, SW2_INT_ENABLE_PCI);
 }
diff --git a/drivers/media/video/cx18/cx18-irq.c b/drivers/media/video/cx18/cx18-irq.c
index 360330f5463..447fc9c391a 100644
--- a/drivers/media/video/cx18/cx18-irq.c
+++ b/drivers/media/video/cx18/cx18-irq.c
@@ -149,9 +149,9 @@ irqreturn_t cx18_irq_handler(int irq, void *dev_id)
 	sw1_mask = cx18_read_reg(cx, SW1_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU;
 	sw1 = cx18_read_reg(cx, SW1_INT_STATUS) & sw1_mask;
 
-	cx18_write_reg(cx, sw2&sw2_mask, SW2_INT_STATUS);
-	cx18_write_reg(cx, sw1&sw1_mask, SW1_INT_STATUS);
-	cx18_write_reg(cx, hw2&hw2_mask, HW2_INT_CLR_STATUS);
+	cx18_write_reg_noretry(cx, sw2&sw2_mask, SW2_INT_STATUS);
+	cx18_write_reg_noretry(cx, sw1&sw1_mask, SW1_INT_STATUS);
+	cx18_write_reg_noretry(cx, hw2&hw2_mask, HW2_INT_CLR_STATUS);
 
 	if (sw1 || sw2 || hw2)
 		CX18_DEBUG_HI_IRQ("SW1: %x  SW2: %x  HW2: %x\n", sw1, sw2, hw2);
diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c
index 9d18dd22de7..87f7c8e2c18 100644
--- a/drivers/media/video/cx18/cx18-mailbox.c
+++ b/drivers/media/video/cx18/cx18-mailbox.c
@@ -176,7 +176,7 @@ long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb)
 
 	cx18_setup_page(cx, SCB_OFFSET);
 	cx18_write_sync(cx, mb->request, &ack_mb->ack);
-	cx18_write_reg(cx, ack_irq, SW2_INT_SET);
+	cx18_write_reg_noretry(cx, ack_irq, SW2_INT_SET);
 	return 0;
 }
 
@@ -225,7 +225,7 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
 	}
 	if (info->flags & API_FAST)
 		timeout /= 2;
-	cx18_write_reg(cx, irq, SW1_INT_SET);
+	cx18_write_reg_noretry(cx, irq, SW1_INT_SET);
 
 	while (!sig && cx18_readl(cx, &mb->ack) != cx18_readl(cx, &mb->request)
 	       && cnt < 660) {