Re: [PATCH] of: irq: don't return 0 from of_irq_get()

[Rob Herring]

On Sun, May 29, 2016 at 12:53:08AM +0300, Sergei Shtylyov wrote:
> of_irq_get() returns 0 iff irq_create_of_mapping() call fails. Returning
> both error code  and 0 on failure is a sign of a misdesigned API. Return
> -ENXIO instead like one of the callers, platform_get_irq(), does; fix up
> the kernel-doc as well...
> 
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>

So I think this is done this way because of the variation in NO_IRQ 
definition across architectures. But then again, of_irq_get is 
relatively new.

Rob