Re: [PATCH] serial: omap: Fix IRQ handling return value

From: Greg KH
Date: Tue Aug 27 2013 - 13:36:10 EST


On Tue, Aug 27, 2013 at 07:30:19AM -0700, Kevin Hilman wrote:
> Greg,
>
>
> On Tue, Aug 20, 2013 at 8:44 AM, Kevin Hilman <khilman@xxxxxxxxxx> wrote:
> > +Felipe
> >
> > On Wed, Jul 17, 2013 at 6:29 AM, Alexander Savchenko
> > <oleksandr.savchenko@xxxxxx> wrote:
> >> From: Ruchika Kharwar <ruchika@xxxxxx>
> >>
> >> Ensure the Interrupt handling routine return IRQ_HANDLED vs
> >> IRQ_NONE.
> >
> > Why?
> >
> > By unconditionally returning IRQ_HANDLED, this patch will surely break
> > systems where the UART IRQ is shared with other platforms.
> >
> > I just noticed this patch when bisecting a related problem. Why
> > wasn't this Cc'd to linux-omap where OMAP users might have been more
> > likely to see it?
> >
> > Greg, without a better justification in the changelog, I think this
> > patch should be dropped from tty-next.
>
> Can you drop this from tty-next please?
>
> The authors aren't responding (one of the ti.com addresses bounced)
> and this "fix" is most is not correct.

Yes, sorry, behind on my pending tty patch queue. I'll try to get to it
this week.

greg k-h
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