[RFC PATCH v2 05/14] irqchip/sun4i: add support for suniv interrupt controller

Maxime Ripard
2018-11-20T08:48:15Z

Hi,

On Sun, Nov 18, 2018 at 05:17:04PM +0300, Mesih Kilinc wrote:
> The new F-series SoCs (suniv) from Allwinner use an stripped version of
> the interrupt controller in A10/A13.
>
> Add support for it in irq-sun4i driver.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> Signed-off-by: Mesih Kilinc <mesihkilinc@gmail.com>
> ---
> drivers/irqchip/irq-sun4i.c | 47 ++++++++++++++++++++++++++++++++++++++++-----
> 1 file changed, 42 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/irqchip/irq-sun4i.c b/drivers/irqchip/irq-sun4i.c
> index e3e5b91..2abf662 100644
> --- a/drivers/irqchip/irq-sun4i.c
> +++ b/drivers/irqchip/irq-sun4i.c
> @@ -23,13 +23,26 @@
>
> #include <asm/exception.h>
>
> +enum sun4i_irq_type {
> + sun4i_ic,
> + suniv_ic
> +};
> +
> +static enum sun4i_irq_type sun4i_irq_type;

You don't really need that type. It's completely redundant with the
compatible.

> +static int sun4i_irq_enable_reg_offset;
> +static int sun4i_irq_mask_reg_offset;

Ideally, this should be a structure so that we can easily extend it
without adding more and more global variables. And the type shouldn't
be signed.

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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