linux-kernel - Re: [PATCH 1/2] irqchip: Fixed LoongArch CPU interrupt types defined.

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Message-ID: <CAAhV-H4m+Wzc-E=owWo34hYBa8fHKQG_uBAw4y4mCFUXEfge0g@mail.gmail.com>
Date:   Fri, 19 Aug 2022 16:39:57 +0800
From:   Huacai Chen <chenhuacai@...nel.org>
To:     Yupeng Li <liyupeng@...los.com>
Cc:     WANG Xuerui <kernel@...0n.name>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, loongarch@...ts.linux.dev,
        LKML <linux-kernel@...r.kernel.org>, Caicai <caizp2008@....com>
Subject: Re: [PATCH 1/2] irqchip: Fixed LoongArch CPU interrupt types defined.

Hi, Yupeng,

This errors can be fixed once this patch be merged:
https://lore.kernel.org/lkml/20220808085319.3350111-1-chenhuacai@loongson.cn/

Huacai

On Fri, Aug 19, 2022 at 3:23 PM Yupeng Li <liyupeng@...los.com> wrote:
>
> When CONFIG_LOONGSON_LIOINTC,CONFIG_LOONGSON_EIOINTC,
> CONFIG_LOONGSON_PCH_LPC,CONFIG_LOONGSON_PCH_PIC was disabled,
> build kernel with errors like:
>
> MODPOST vmlinux.symvers
> MODINFO modules.builtin.modinfo
> GEN     modules.builtin
> LD      .tmp_vmlinux.kallsyms1
> loongarch64-linux-gnu-ld: drivers/irqchip/irq-loongarch-cpu.o: in function `lpic_get_gsi_domain_id':
> irq-loongarch-cpu.c:(.text+0x8): undefined reference to `pch_lpc_handle'
> loongarch64-linux-gnu-ld: irq-loongarch-cpu.c:(.text+0xc): undefined reference to `pch_lpc_handle'
> loongarch64-linux-gnu-ld: irq-loongarch-cpu.c:(.text+0xc): undefined reference to `pch_lpc_handle'
> make: *** [Makefile:1171：vmlinux] 错误 1
>
> Reviewed-by: Caicai <caizp2008@....com>
> Signed-off-by: Yupeng Li <liyupeng@...los.com>
> ---
>  drivers/irqchip/irq-loongarch-cpu.c | 20 ++++++++++++++++----
>  1 file changed, 16 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/irqchip/irq-loongarch-cpu.c b/drivers/irqchip/irq-loongarch-cpu.c
> index 327f3ab62c03..d296f704cbb6 100644
> --- a/drivers/irqchip/irq-loongarch-cpu.c
> +++ b/drivers/irqchip/irq-loongarch-cpu.c
> @@ -27,24 +27,30 @@ static u32 lpic_gsi_to_irq(u32 gsi)
>
>  static struct fwnode_handle *lpic_get_gsi_domain_id(u32 gsi)
>  {
> +#ifdef CONFIG_LOONGSON_PCH_PIC
>         int id;
> +#endif
>         struct fwnode_handle *domain_handle = NULL;
>
>         switch (gsi) {
>         case GSI_MIN_CPU_IRQ ... GSI_MAX_CPU_IRQ:
> +#ifdef CONFIG_LOONGSON_LIOINTC
>                 if (liointc_handle)
>                         domain_handle = liointc_handle;
> +#endif
>                 break;
> -
>         case GSI_MIN_LPC_IRQ ... GSI_MAX_LPC_IRQ:
> +#ifdef CONFIG_LOONGSON_PCH_LPC
>                 if (pch_lpc_handle)
>                         domain_handle = pch_lpc_handle;
> +#endif
>                 break;
> -
>         case GSI_MIN_PCH_IRQ ... GSI_MAX_PCH_IRQ:
> +#ifdef CONFIG_LOONGSON_PCH_PIC
>                 id = find_pch_pic(gsi);
>                 if (id >= 0 && pch_pic_handle[id])
>                         domain_handle = pch_pic_handle[id];
> +#endif
>                 break;
>         }
>
> @@ -92,6 +98,7 @@ static const struct irq_domain_ops loongarch_cpu_intc_irq_domain_ops = {
>         .xlate = irq_domain_xlate_onecell,
>  };
>
> +#ifdef CONFIG_LOONGSON_LIOINTC
>  static int __init
>  liointc_parse_madt(union acpi_subtable_headers *header,
>                        const unsigned long end)
> @@ -100,7 +107,8 @@ liointc_parse_madt(union acpi_subtable_headers *header,
>
>         return liointc_acpi_init(irq_domain, liointc_entry);
>  }
> -
> +#endif
> +#ifdef CONFIG_LOONGSON_EIOINTC
>  static int __init
>  eiointc_parse_madt(union acpi_subtable_headers *header,
>                        const unsigned long end)
> @@ -109,13 +117,17 @@ eiointc_parse_madt(union acpi_subtable_headers *header,
>
>         return eiointc_acpi_init(irq_domain, eiointc_entry);
>  }
> -
> +#endif
>  static int __init acpi_cascade_irqdomain_init(void)
>  {
> +#ifdef CONFIG_LOONGSON_LIOINTC
>         acpi_table_parse_madt(ACPI_MADT_TYPE_LIO_PIC,
>                               liointc_parse_madt, 0);
> +#endif
> +#ifdef CONFIG_LOONGSON_EIOINTC
>         acpi_table_parse_madt(ACPI_MADT_TYPE_EIO_PIC,
>                               eiointc_parse_madt, 0);
> +#endif
>         return 0;
>  }
>
> --
> 2.34.1
>