linux-kernel - [PATCH] staging, addi_apci

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Date:	Wed, 10 Dec 2014 14:42:01 +0000
From:	Alan Cox <alan@...ux.intel.com>
To:	greg@...ah.com, linux-kernel@...r.kernel.org
Subject: [PATCH] staging, addi_apci_1500: fix IRQ spew

The driver very carefully checks if the card is the IRQ source, and if it
isn't thoughtfully spews crap at_dev_warn() level. Remove the spewage so it
can be used on a shared interrupt line.

Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=88651
Signed-off-by: Alan Cox <alan@...ux.intel.com>
---
 .../comedi/drivers/addi-data/hwdrv_apci1500.c      |    4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
index 0ea081e..b7b9857 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
@@ -2175,10 +2175,6 @@ static void apci1500_interrupt(int irq, void *d)
 			devpriv->iobase + APCI1500_Z8536_CONTROL_REGISTER);
 		/* Authorizes the main interrupt on the board */
 		outb(0xD0, devpriv->iobase + APCI1500_Z8536_CONTROL_REGISTER);
-	} else {
-		dev_warn(dev->class_dev,
-			"Interrupt from unknown source\n");
-
 	}
 }
 

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