On Fri, Jan 02, 2015 at 01:32:51PM -0800, Tony Lindgren wrote: > * Felipe Balbi <balbi@xxxxxx> [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. > > That's a nice improvment for an interrupt controller :) > > > Tested with BeagleBoneBlack Rev A5C. > > > > Signed-off-by: Felipe Balbi <balbi@xxxxxx> > > --- > > > > Before applying, it would be very nice to get reports > > from other folks on different platforms, specially OMAP2/3 > > ones which I don't have (easy) access. > > Seems to behave just fine on omap2 and 3 here, gave it > a quick try on n800, n900, omap3-ldp and 37xx-evm: > > Tested-by: Tony Lindgren <tony@xxxxxxxxxxx> cool, thanks -- balbi
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