linux-kernel - Re: [PATCH v7 2/5] irqchip: Add RZ/G2L IA55 Interrupt Controller driver

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Date:   Mon, 04 Jul 2022 11:19:53 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Lad Prabhakar <prabhakar.csengg@...il.com>,
        Marc Zyngier <maz@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        devicetree@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-gpio@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v7 2/5] irqchip: Add RZ/G2L IA55 Interrupt Controller
 driver

Hi Prabhakar,

On So, 2022-07-03 at 20:40 +0100, Lad Prabhakar wrote:
> Add a driver for the Renesas RZ/G2L Interrupt Controller.
> 
> This supports external pins being used as interrupts. It supports
> one line for NMI, 8 external pins and 32 GPIO pins (out of 123)
> to be used as IRQ lines.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
>  drivers/irqchip/Kconfig             |   8 +
>  drivers/irqchip/Makefile            |   1 +
>  drivers/irqchip/irq-renesas-rzg2l.c | 393 ++++++++++++++++++++++++++++
>  3 files changed, 402 insertions(+)
>  create mode 100644 drivers/irqchip/irq-renesas-rzg2l.c
> 
> diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-renesas-rzg2l.c
> new file mode 100644
> index 000000000000..4e977fa04bbe
> --- /dev/null
> +++ b/drivers/irqchip/irq-renesas-rzg2l.c
> @@ -0,0 +1,393 @@
[...]
> +static int rzg2l_irqc_init(struct device_node *node, struct device_node *parent)
> +{
[...]
> +	resetn = devm_reset_control_get_exclusive(&pdev->dev, NULL);
> +	if (IS_ERR(resetn))
> +		return IS_ERR(resetn);

		return PTR_ERR(resetn);


regards
Philipp