[PATCH 00/15] Kill off set_irq_flags

[Russell King - ARM Linux]

On Tue, Jun 09, 2015 at 01:26:26PM -0500, Rob Herring wrote:
> This series converts all users of ARM specific set_irq_flags to use
> common genirq functions. In many cases where irqdomains are used, the
> set_irq_flags calls were redundant, so I've removed them.
> 
> This is not intended for 4.2, but if any subsystem maintainers want to
> pick up their subsystem's change that is fine. All but the last 2
> patches stand on their own. Any new drivers going into 4.2 may need a
> similar change, but I'm sure people are told not to use set_irq_flags in
> reviews. ;)

So what are you doing about the initial state of IRQs on legacy ARM where
IRQs start off being un-requestable, and need the set_irq_flags() to make
them requestable.  I think you could be introducing a massive regression
by making this change.

Unless you can prove that this isn't the case, you shouldn't be removing
this stuff, especially not from legacy platforms.

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