Re: [PATCH 3/5] uio: Cleanup irq handling.

[Thomas Gleixner]

On Tue, 14 Sep 2010, Eric W. Biederman wrote:

> 
> Change the value of UIO_IRQ_NONE -2 to 0.  0 is well defined in the rest
> of the kernel as the value to indicate an irq has not been assigned.
> 
> Update the calls to request_irq and free_irq to only ignore UIO_IRQ_NONE
> and UIO_IRQ_CUSTOM allowing the rest of the kernel's possible irq
> numbers to be used.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxxxxxxxx>
 
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
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