From: Scott Wood <scottwood@freescale.com>
To: <R.Patil@mei-india.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: Interrupt handler not executed
Date: Fri, 11 Jan 2013 12:16:11 -0600 [thread overview]
Message-ID: <1357928171.5475.4@snotra> (raw)
In-Reply-To: <OFFE4470AC.C2444613-ON65257AF0.0029CACD-65257AF0.0029CAD8@LocalDomain> (from R.Patil@mei-india.com on Fri Jan 11 01:36:29 2013)
On 01/11/2013 01:36:29 AM, R.Patil@mei-india.com wrote:
> Hello,
>=20
> We are working on board based on Freescale MPC8313ERDB. We have =20
> ported linux 3.0.46 kernel on it. In one of device driver written by =20
> us, we need to take some action upon asserting IRQ0 interrupt. For =20
> this we have written interrupt handler which takes care of this. We =20
> are able register interrupt handler successfully with the help of =20
> 'request_irq'. We confirmed this by checking respective entry in =20
> '/proc/interrupts'. We have also confirmed assertion of interrupt =20
> line (IRQ0) on oscilloscope. The problem is, interrupt handler does =20
> not execute upon asserting the interrupt line.
What IRQ number did you pass to request_irq()? request_irq() takes =20
virtual interrupt numbers, not anything out of the chip manual.
If that's not the issue, is the interrupt configured properly for level =20
and sense?
-Scott=
next prev parent reply other threads:[~2013-01-11 18:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-11 7:36 Interrupt handler not executed R.Patil
2013-01-11 18:16 ` Scott Wood [this message]
2013-01-14 11:34 ` [Solved] " R.Patil
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