[RFC] gpio: about the need to manage irq mapping dynamically.

Linus Walleij linus.walleij at linaro.org
Thu Jun 29 15:16:12 PDT 2017

On Thu, Jun 29, 2017 at 4:57 PM, Jerome Brunet <jbrunet at baylibre.com> wrote:
> On Thu, 2017-06-29 at 16:14 +0200, Linus Walleij wrote:

>> So I changed my mind, it is fine for this type of driver to call
>> irq_create_mapping() in gpio_to_irq(). Preferably with some comment
>> around the call.
> What about disposing of the mapping ? there still is no counter part function to
> gpio_to_irq. It seems weird to leave them lying around, don't you think ?

Yeah that sucks. We need a way to fix that.

Is gpio_irq_prepare/unprepare the right approach?

Linus Walleij

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