[RFC PATCH] arm: imx: Workaround i.MX6 PMU interrupts muxed to one SPI

Arnd Bergmann arnd at arndb.de
Thu Nov 20 03:48:00 PST 2014


On Thursday 20 November 2014 11:42:37 Daniel Thompson wrote:
> Notes:
>     This patch adopts the approach used on the u8500 (db8500_pmu_handler)
>     but the logic has been generalized for any number of CPUs, mostly
>     because the i.MX6 has a both dual and quad core variants.
>     
>     However it might be better to include the generalized logic in the main
>     armpmu code. I think the logic could be deployed automatically on SMP
>     systems with only a single not-percpu IRQ, replacing the
>     plat->handle_irq dance we currently do to hook up this code.
>     
>     Thoughts? (or is there already shared logic to do this that I
>     overlooked)
> 

I would definitely prefer to have this handled in the armpmu implementation,
given that there are at least two platforms that need the exact same
hack.

	Arnd



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