[PATCH] irqchip: omap-intc: improve IRQ handler

[Felipe Balbi]

On Wed, Jul 15, 2015 at 02:36:54PM +0200, Thomas Gleixner wrote:
> On Wed, 15 Jul 2015, Tony Lindgren wrote:
> > Felipe,
> > 
> > * Tony Lindgren <tony at atomide.com> [150119 13:41]:
> > > * Felipe Balbi <balbi at ti.com> [150102 10:50]:
> > > > as it turns out the current IRQ number will
> > > > *always* be available from SIR register which
> > > > renders the reads of PENDING registers as plain
> > > > unnecessary overhead.
> > > > 
> > > > In order to catch any situation where SIR reads
> > > > as zero, we're adding a WARN() to turn it into
> > > > a very verbose error and users actually report
> > > > it.
> > > > 
> > > > With this patch average running time of
> > > > omap_intc_handle_irq() reduced from about 28.5us
> > > > to 19.8us as measured by the kernel function
> > > > profiler.
> > > > 
> > > > Tested with BeagleBoneBlack Rev A5C.
> > > > 
> > > > Signed-off-by: Felipe Balbi <balbi at ti.com>
> > > 
> > > Jason, looks like this is not showing up in Linux next. The
> > > same for the changes I did for dm81xx.
> > 
> > Can you please resend this to Jason? Looks like this
> > is still not merged.
> 
> Please send it to me asap and please cc lkml on irqchip patches.

building and testing again. Will resend shortly

-- 
balbi
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