linux-kernel - Re: [PATCH v3 3/6] irqchip: Introduce RTD1319 support using the Realtek common interrupt controller driver

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Date:   Mon, 11 Dec 2023 11:41:01 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     James Tai <james.tai@...ltek.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v3 3/6] irqchip: Introduce RTD1319 support using the
 Realtek common interrupt controller driver

On Tue, Nov 28, 2023 at 11:44 PM James Tai <james.tai@...ltek.com> wrote:
>
> Add support for the RTD1319 platform.
>
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202311061208.hJmxGqym-lkp@intel.com/
> CC: Thomas Gleixner <tglx@...utronix.de>
> CC: Marc Zyngier <maz@...nel.org>
> CC: linux-kernel@...r.kernel.org
> Signed-off-by: James Tai <james.tai@...ltek.com>
> ---
> v2 to v3 change:
> - Unchanged
>
> v1 to v2 change:
> - Resolved kernel test robot build warnings
> - Replaced magic number with macro
> - Fixed code style issues
>
>  drivers/irqchip/Kconfig               |   6 +
>  drivers/irqchip/Makefile              |   1 +
>  drivers/irqchip/irq-realtek-rtd1319.c | 218 ++++++++++++++++++++++++++
>  3 files changed, 225 insertions(+)
>  create mode 100644 drivers/irqchip/irq-realtek-rtd1319.c
>
> diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
> index 267c3429b48d..05856ce885fa 100644
> --- a/drivers/irqchip/Kconfig
> +++ b/drivers/irqchip/Kconfig
> @@ -222,6 +222,12 @@ config REALTEK_DHC_INTC
>         tristate
>         select IRQ_DOMAIN
>
> +config REALTEK_RTD1319_INTC
> +       tristate "Realtek RTD1319 interrupt controller"
> +       select REALTEK_DHC_INTC
> +       help
> +         Support for Realtek RTD1319 Interrupt Controller.
> +
>  config RENESAS_INTC_IRQPIN
>         bool "Renesas INTC External IRQ Pin Support" if COMPILE_TEST
>         select IRQ_DOMAIN
> diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
> index f6774af7fde2..6a2650b0a924 100644
> --- a/drivers/irqchip/Makefile
> +++ b/drivers/irqchip/Makefile
> @@ -48,6 +48,7 @@ obj-$(CONFIG_IXP4XX_IRQ)              += irq-ixp4xx.o
>  obj-$(CONFIG_JCORE_AIC)                        += irq-jcore-aic.o
>  obj-$(CONFIG_RDA_INTC)                 += irq-rda-intc.o
>  obj-$(CONFIG_REALTEK_DHC_INTC)         += irq-realtek-intc-common.o
> +obj-$(CONFIG_REALTEK_RTD1319_INTC)     += irq-realtek-rtd1319.o
>  obj-$(CONFIG_RENESAS_INTC_IRQPIN)      += irq-renesas-intc-irqpin.o
>  obj-$(CONFIG_RENESAS_IRQC)             += irq-renesas-irqc.o
>  obj-$(CONFIG_RENESAS_RZA1_IRQC)                += irq-renesas-rza1.o
> diff --git a/drivers/irqchip/irq-realtek-rtd1319.c b/drivers/irqchip/irq-realtek-rtd1319.c
> new file mode 100644
> index 000000000000..23c13c218b04
> --- /dev/null
> +++ b/drivers/irqchip/irq-realtek-rtd1319.c
> @@ -0,0 +1,218 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
> +/*
> + * Realtek RTD1319 interrupt controller driver
> + *
> + * Copyright (c) 2023 Realtek Semiconductor Corporation
> + */
> +
> +#include <linux/init.h>
> +#include <linux/io.h>
> +#include <linux/irqchip.h>
> +#include <linux/of_device.h>

You probably don't need this header and the implicit includes it makes
are dropped now in linux-next. Please check what you actually need and
make them explicit.

Rob