diff --git a/drivers/spi/spi-kbus.c b/drivers/spi/spi-kbus.c
index b083a296bdcc..2f1a1bbc3c6c 100644
--- a/drivers/spi/spi-kbus.c
+++ b/drivers/spi/spi-kbus.c
@@ -112,9 +112,31 @@ static irqreturn_t kbus_isr(int irq, void *dev)
 	struct kbus_drv_data *kdrvdata = dev_get_drvdata(kbus_device);
 
 	trace_pxc_kbus(__func__, "kbus-irq:in");
-	kdrvdata->kbus_irq_state = 0; /* attention: changed polarisation */
 
-	/* wake_up_interruptible(&kdrvdata->kbus_irq_wq); */
+	if (unlikely(kdrvdata->cmdsel)) {
+		if (kdrvdata->kbus_ign_reset_irq) {
+			kdrvdata->kbus_ign_reset_irq = 0;
+			init_waitqueue_head(&kdrvdata->kbus_irq_wq);
+			// trace for command 0xA3 find in libkbusfwload library
+			trace_pxc_kbus(__func__, "kbus-irq: edge falling after command\
+					SCPU_COMMAND_START_UPDATE [0xa3]: ignore irq");
+			return IRQ_HANDLED;
+		}
+
+		int gpio_value = gpiod_get_value(kdrvdata->gpio_nrdy);
+
+		if (gpio_value) {
+			trace_pxc_kbus(__func__, "kbus-irq: edge rising");
+		} else if (kdrvdata->kbus_ign_irq) {
+			trace_pxc_kbus(__func__, "kbus-irq: edge falling during command\
+					SCPU_COMMAND_START_UPDATE [0xa3]");
+			kdrvdata->kbus_ign_reset_irq = 1;
+		} else {
+			trace_pxc_kbus(__func__, "kbus-irq: edge falling");
+		}
+	}
+
+	kdrvdata->kbus_irq_state = 0; /* attention: changed polarisation */
 	wake_up(&kdrvdata->kbus_irq_wq);
 
 	trace_pxc_kbus(__func__, "kbus-irq:out");
@@ -637,6 +659,7 @@ static long kbus_ioctl(struct file *file, uint cmd, ulong arg)
 	struct kbus_drv_data *kdrvdata = dev_get_drvdata(kbus_device);
 	struct spi_device *spi = kdrvdata->spi;
 
+	kdrvdata->kbus_ign_irq = 0;
 	switch (cmd) {
 	case KBUS_IOC_CMD: /* FIXME */
 	{
@@ -657,6 +680,12 @@ static long kbus_ioctl(struct file *file, uint cmd, ulong arg)
 		gpiod_set_value(kdrvdata->gpio_nirq, 0);
 
 		kcmd_user = (struct kbus_cmd __user *)arg;
+
+		if ((int)*kcmd_user->tx_buf == 0xA3) {
+			kdrvdata->kbus_ign_irq = 1;
+			trace_pxc_kbus(__func__, "KCMD: A3: Update cmd");
+		}
+
 		if (copy_from_user(&kcmd, kcmd_user, sizeof(kcmd))) {
 			/* release the irq pin */
 			gpiod_set_value(kdrvdata->gpio_nirq, 1);
@@ -1123,6 +1152,9 @@ static int kbus_probe(struct spi_device *spi)
 	KBUS_DISABLE_IRQ(kdrvdata->kbus_irq);
 	kdrvdata->kbus_irq_enabled = 0;
 
+	/* disable ignore of irq after 0xa3 (update) cmd */
+	kdrvdata->kbus_ign_reset_irq = 0;
+
 	/* allocate memory */
 	if (kdrvdata->use_dma) {
 		spi->dev.coherent_dma_mask = ~0; /* why that? */
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 3ee249d33457..e6a520b26957 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -1568,7 +1568,7 @@ static int omap2_mcspi_transfer_one(struct spi_controller *ctlr,
 			kcmd_txbuf = (u16 *) t->tx_buf;
 			/* wait for READYn IRQ from xe164 */
 
-			trace_pxc_kbus(__func__, "TX0");
+			trace_pxc_kbus(__func__, "TX0: Wait for nrdy");
 			kbus_dbg("%s: irq timeout is %dms\n",
 				 __func__, kdrvdata->timeout_ms);
 			tmp_ret = wait_event_interruptible_timeout(kdrvdata->kbus_irq_wq,
diff --git a/include/linux/spi/kbus.h b/include/linux/spi/kbus.h
index a4b81fb8cc51..4b3612d858f2 100644
--- a/include/linux/spi/kbus.h
+++ b/include/linux/spi/kbus.h
@@ -76,6 +76,8 @@ struct kbus_drv_data {
 	int kbus_irq;
 	int kbus_irq_enabled;
 	int kbus_irq_state;
+	int kbus_ign_irq;
+	int kbus_ign_reset_irq;
 	struct task_struct
 		*dma_task; /* task pointer to boost the dma task if necessary */
 	bool kbus_dma_boost_en;