From: Scott Wood <scottwood@freescale•com>
To: <smitha.vanga@wipro•com>
Cc: linuxppc-dev@lists•ozlabs.org
Subject: Re: Request_irq fails for IRQ2
Date: Tue, 4 Oct 2011 10:30:36 -0500 [thread overview]
Message-ID: <4E8B269C.5020606@freescale.com> (raw)
In-Reply-To: <40631E9A2581F14BA60888C87A76A1FE014773@HYD-MKD-MBX4.wipro.com>
On 10/04/2011 06:21 AM, smitha.vanga@wipro•com wrote:
> Hi Scott,
>
> I am able to register the IRQ now once I add the call irq_set_default_host in cpm2_pic.
> But when I call enable_irq the code throws the below warning and gives exception in enable irq at
> spin_unlock_irqrestore(&desc->lock, flags); in enable_irq.
>
>
> printk(KERN_WARNING "Unbalanced enable for IRQ %d\n", irq);
The IRQ is automatically enabled when you request it. Only call
enable_irq() if you previously called disable_irq().
-Scott
next prev parent reply other threads:[~2011-10-04 15:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-03 14:27 Request_irq fails for IRQ2 smitha.vanga
2011-10-03 17:24 ` Scott Wood
2011-10-04 6:15 ` smitha.vanga
2011-10-04 11:21 ` smitha.vanga
2011-10-04 15:30 ` Scott Wood [this message]
2011-10-09 7:07 ` Benjamin Herrenschmidt
2011-10-04 13:55 ` smitha.vanga
2011-10-09 7:11 ` Benjamin Herrenschmidt
2011-10-04 9:25 ` Vijay Nikam
-- strict thread matches above, loose matches on Subject: below --
2011-08-26 20:08 Kernel boot up Scott Wood
2011-10-03 12:31 ` Request_irq fails for IRQ2 smitha.vanga
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