linux-kernel - [PATCH] pluto2: silence spew of card hung up messages

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Message-ID: <20090326204741.4796.80285.stgit@localhost.localdomain>
Date:	Thu, 26 Mar 2009 20:47:48 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	linux-kernel@...r.kernel.org, mchehab@...radead.org
Subject: [PATCH] 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: Alan Cox <alan@...rguk.ukuu.org.uk>
---

 drivers/media/dvb/pluto2/pluto2.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)


diff --git a/drivers/media/dvb/pluto2/pluto2.c b/drivers/media/dvb/pluto2/pluto2.c
index d101b30..ee89623 100644
--- a/drivers/media/dvb/pluto2/pluto2.c
+++ b/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;
 	}
 

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