request_irq issue

Ben Warren biggerbadderben at gmail.com
Wed Nov 5 16:53:03 EST 2008


On Tue, Nov 4, 2008 at 7:38 PM, Laxmikant Rashinkar <lk.atwork at yahoo.com>wrote:

> Hi,
>
> I have a MPC8347 based board that runs linux-2.6.15.4 and 2.6.27.1.
>
> With the older Linux, my driver is able to successfully request_irq()
> interrupts 17, 18, 19, 20, 21, 22, 23 & 48.
>
> But with the newer linux, request_irq() works only for 17, 18 & 19. cat
> /proc/interrupts shows that none of the interrupts above are in use.
> Any pointers on why request_irq() is behaving thus?
>
> thanks for your help
> LK
>
> Search the mailing list archive.  I've posted sample code for how to enable
external interrupts, but it was probably around 2.6.19 time.  I imagine the
same issues still exist.

regards,
Ben
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