On Fri, 7 Feb 2014, Carlo Caione wrote:
> Yeah, no really difference between threaded and non threaded.
> For the record, from a mail exchange with Allwinner's engineers: "the
> NMI module is a signal conversion module. It catches the NMI pin's
> state and generates irq to GIC", so GIC does not really ACK anything.
> BTW being a dummy "signal conversion module" this is probably why I
> still need to clear the pending status even though my IRQ line has
> already been cleared.
A pretty useless signal conversion module it seems creating a big mess
for a single interrupt line :)
> > I'm not against having a flag, but this should be done less convoluted
> > and have proper names which make the use case clear along with a good
> > technical explanation of the flag in the comment.
>
> Ok, at this point do you think that a patch in the core could be
> useful or is it better to stick with modifying the unmask callback?
Not sure, really, but I tend to a core patch. Though we really want to
know whether the issue is threaded only or not. If it's a general
issue then this wants to go into unmask_irq() itself and not into an
extra unmask_threaded_irq() function.
Thanks,
tglx
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