Re: [PATCH V2 3/6] gpio: davinci: Redesign driver to accommodate ngpios in one gpio chip

[Linus Walleij]

On Fri, Jan 13, 2017 at 5:20 AM, Keerthy <j-keerthy@xxxxxx> wrote:

> The Davinci GPIO driver is implemented to work with one monolithic
> Davinci GPIO platform device which may have up to Y(144) gpios.
> The Davinci GPIO driver instantiates number of GPIO chips with
> max 32 gpio pins per each during initialization and one IRQ domain.
> So, the current GPIO's  opjects structure is:
>
> <platform device> Davinci GPIO controller
>  |- <gpio0_chip0> ------|
>  ...                    |--- irq_domain (hwirq [0..143])
>  |- <gpio0_chipN> ------|
>
> Current driver creates one chip for every 32 GPIOs in a controller.
> This was a limitation earlier now there is no need for that. Hence
> redesigning the driver to create one gpio chip for all the ngpio
> in the controller.
>
> |- <gpio0_chip0> ------|--- irq_domain (hwirq [0..143]).
>
> The previous discussion on this can be found here:
> https://www.spinics.net/lists/linux-omap/msg132869.html
>
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>

Patch applied.

Yours,
Linus Walleij