Re: [PATCH v5 1/3] gpio: nuvoton: Add Nuvoton NPCM sgpio driver

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Hi Jim,

thanks for your patch!

On Tue, Mar 14, 2023 at 10:23 AM Jim Liu <jim.t90615@xxxxxxxxx> wrote:

> Add Nuvoton BMC NPCM7xx/NPCM8xx sgpio driver support.
>
> Signed-off-by: Jim Liu <jim.t90615@xxxxxxxxx>

(...)
> +config GPIO_NPCM_SGPIO
> +       bool "Nuvoton SGPIO support"
> +       depends on (ARCH_NPCM || COMPILE_TEST) && OF_GPIO
> +       select GPIO_GENERIC

You don't seem to use GPIO_GENERIC?

> +       gpio->intc.name = dev_name(&pdev->dev);
> +       gpio->intc.irq_ack = npcm_sgpio_irq_ack;
> +       gpio->intc.irq_mask = npcm_sgpio_irq_mask;
> +       gpio->intc.irq_unmask = npcm_sgpio_irq_unmask;
> +       gpio->intc.irq_set_type = npcm_sgpio_set_type;
> +
> +       irq = &gpio->chip.irq;
> +       irq->chip = &gpio->intc;

Please rewrite this dynamic irq_chip to an immutable irq_chip,
several examples of how this is done is in the kernel, for example:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/gpio/gpio-ftgpio010.c?id=ab637d48363d7b8ee67ae089808a8bc6051d53c4

Yours,
Linus Walleij




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