Messages in this thread | | | Subject | Re: [PATCH v3 3/9] of: irq: add helper to remap interrupts to another irqdomain | From | Marc Zyngier <> | Date | Mon, 11 Mar 2019 10:51:04 +0000 |
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On 22/02/2019 22:18, Lina Iyer wrote: > From: Stephen Boyd <swboyd@chromium.org> > > Sometimes interrupts are routed from an interrupt controller to another > in no specific order. Having these in the drives makes it difficult to
s/drives/driver/ ?
> maintain when the same drivers supports multiple variants with different > mapping. Also, specifying them in DT makes little sense with a > bunch of numbers like - > <0, 13>, <5, 32>, > It makes more sense when we can have the parent handle along with > interrupt specificers for the incoming interrupt as well as that of the
specifiers
> outgoing interrupt like - > <22 0 &intc 36 0>, > <24 0 &intc 37 0>, > <26 0 &intc 38 0>, > And the interrupt specifiers can be interpred using these properties -
interpreted
> irqdomain-map-mask = <0xff 0>; > irqdomain-map-pass-thru = <0 0xff>;
Talking about interpretation, can you please expand on how these should be used? You definitely want to have this documented as a generic binding somewhere.
Thanks,
M. -- Jazz is not dead. It just smells funny...
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