linux-kernel - [patch 037/176] staging: comedi: ni_labpc: Use shared IRQ for PCMCIA card

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Message-Id: <20110216002102.831417329@clark.kroah.org>
Date:	Tue, 15 Feb 2011 16:20:05 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Ian Abbott <abbotti@....co.uk>
Subject: [patch 037/176] staging: comedi: ni_labpc: Use shared IRQ for PCMCIA card

2.6.36-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Ian Abbott <abbotti@....co.uk>

commit d1ce318496f5943d2cc5e20171fc383a59a1421f upstream.

The ni_labpc driver module only requests a shared IRQ for PCI devices,
requesting a non-shared IRQ for non-PCI devices.
As this module is also used by the ni_labpc_cs module for certain
National Instruments PCMCIA cards, it also needs to request a shared IRQ
for PCMCIA devices, otherwise you get a IRQ mismatch with the CardBus
controller.

Signed-off-by: Ian Abbott <abbotti@....co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/staging/comedi/drivers/ni_labpc.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -572,7 +572,8 @@ int labpc_common_attach(struct comedi_de
 	/* grab our IRQ */
 	if (irq) {
 		isr_flags = 0;
-		if (thisboard->bustype == pci_bustype)
+		if (thisboard->bustype == pci_bustype
+		    || thisboard->bustype == pcmcia_bustype)
 			isr_flags |= IRQF_SHARED;
 		if (request_irq(irq, labpc_interrupt, isr_flags,
 				driver_labpc.driver_name, dev)) {


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