V4L/DVB (11244): pluto2: silence spew of card hung up messages

If the card is ejected on some systems you get a spew of messages as other
shared IRQ devices interrupt between the card eject and the card IRQ
disable.

We don't need to spew them all out

Closes #7472
Signed-off-by: NAlan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/pluto2/pluto2.c

@@ -116,6 +116,7 @@ struct pluto {
 
 	/* irq */
 	unsigned int overflow;
+	unsigned int dead;
 
 	/* dma */
 	dma_addr_t dma_addr;
@@ -336,8 +337,10 @@ static irqreturn_t pluto_irq(int irq, void *dev_id)
 		return IRQ_NONE;
 
 	if (tscr == 0xffffffff) {
-		// FIXME: maybe recover somehow
-		dev_err(&pluto->pdev->dev, "card hung up :(\n");
+		if (pluto->dead == 0)
+			dev_err(&pluto->pdev->dev, "card has hung or been ejected.\n");
+		/* It's dead Jim */
+		pluto->dead = 1;
 		return IRQ_HANDLED;
 	}