[PATCH v8 13/18] gpio: pl061: switch data path to gpio-regmap

[Linus Walleij]

On Mon, Sep 21, 2026 at 6:23 AM Long Zhao via B4 Relay
<devnull+longzhao.ambarella.com at kernel.org> wrote:

> From: Long Zhao <longzhao at ambarella.com>
>
> Keep a custom irqchip and irq domain. The gpio_chip is owned by
> gpio-regmap, so gpio_regmap_get_chip() is used to wire the domain.
>
> Check the chained-handler regmap_read() return and always
> run chained_irq_exit(). irq_type keeps the MMIO write style
> and uses cleanup helpers from the previous patch.
>
> irq_set_parent() nests the GPIO irq_desc under the AMBA parent
> for irq_set_wake() and lockdep; checked with PROVE_LOCKING on CV75.
>
> Signed-off-by: Long Zhao <longzhao at ambarella.com>

Reviewed-by: Linus Walleij <linusw at kernel.org>

Yours,
Linus Walleij