Re: [Xen-devel] [PATCH v5 1/6] xen: dt: add dt_for_each_irq_map helper

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2015-07-03 at 14:59 +0100, Ian Campbell wrote:
> This function iterates over a nodes interrupt-map property and calls a
> callback for each interrupt. For now it only supplies the translated
> IRQ since my use case has no need of e.g. child unit address. These
> can be added as needed by any future users.
> 
> This follows much the same logic as dt_irq_map_raw when parsing the
> interrupt-map, but doesn't walk up the tree doing the actual
> translation and it iterates over all entries instead of just looking
> for the first match.
> 
> I looked into refactoring dt_irq_map_raw but I couldn't find a way
> which I was confident in, plus I was reluctant to diverge from the
> Linux roots of this function any further.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Reviewed-by: Julien Grall <julien.grall@xxxxxxxxxx>

Julien pointed out that after this R-by response on v4 there was also a
bunch of comments which I had missed (i.e. the R-by was a typo). I've
replied to those on v4.

(Mostly responding here for my own benefit so I don't go and commit it
at some point).



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