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Message-Id: <20091217011605.149734203@mini.kroah.org>
Date: Wed, 16 Dec 2009 17:15:06 -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,
Russell King <rmk+kernel@....linux.org.uk>,
Eric Miao <eric.y.miao@...il.com>,
"David S. Miller" <davem@...emloft.net>
Subject: [55/90] NET: smc91x: Fix irq flags
2.6.31-stable review patch. If anyone has any objections, please let us know.
------------------
From: Russell King - ARM Linux <linux@....linux.org.uk>
[ Upstream commit d5ccd67bb77ced5249067d05171992a7d5020393 ]
smc91x.h defines SMC_IRQ_FLAGS to be -1 when it wants the interrupt
flags to be taken from the resource structure. However, d280ead
changed this to checking for non-zero resource flags.
Unfortunately, this means that on some platforms, we end up passing
'-1' to request_irq rather than the desired result. Combine the two
conditions into one so that the IRQ flags are taken from the resource
if either SMC_IRQ_FLAGS is -1 or the resource flags specify an
interrupt trigger.
This restores network on at least the Versatile platform.
Signed-off-by: Russell King <rmk+kernel@....linux.org.uk>
Acked-by: Eric Miao <eric.y.miao@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
drivers/net/smc91x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -2283,7 +2283,7 @@ static int __devinit smc_drv_probe(struc
ndev->irq = ires->start;
- if (ires->flags & IRQF_TRIGGER_MASK)
+ if (irq_flags == -1 || ires->flags & IRQF_TRIGGER_MASK)
irq_flags = ires->flags & IRQF_TRIGGER_MASK;
ret = smc_request_attrib(pdev, ndev);
--
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