linux-kernel - Re: [PATCH V12 02/24] irqchip/loongson-liointc: Fix build error for LoongArch

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Message-Id: <6e7da218-be6c-449d-92ea-be416ed12da5@www.fastmail.com>
Date:   Wed, 01 Jun 2022 13:09:40 +0100
From:   "Jiaxun Yang" <jiaxun.yang@...goat.com>
To:     "Huacai Chen" <chenhuacai@...ngson.cn>,
        "Arnd Bergmann" <arnd@...db.de>,
        "Andy Lutomirski" <luto@...nel.org>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        "Peter Zijlstra" <peterz@...radead.org>,
        "Andrew Morton" <akpm@...ux-foundation.org>,
        "David Airlie" <airlied@...ux.ie>,
        "Jonathan Corbet" <corbet@....net>,
        "Linus Torvalds" <torvalds@...ux-foundation.org>
Cc:     linux-arch@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, "Xuefeng Li" <lixuefeng@...ngson.cn>,
        "Yanteng Si" <siyanteng@...ngson.cn>,
        "Huacai Chen" <chenhuacai@...il.com>,
        "Guo Ren" <guoren@...nel.org>, "Xuerui Wang" <kernel@...0n.name>,
        "Stephen Rothwell" <sfr@...b.auug.org.au>
Subject: Re: [PATCH V12 02/24] irqchip/loongson-liointc: Fix build error for LoongArch



在2022年6月1日六月 上午10:59，Huacai Chen写道：
> liointc driver is shared by MIPS and LoongArch, this patch adjust the
> code to fix build error for LoongArch.
>
> Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>

Reviewed-by: Jiaxun Yang <jiaxun.yang@...goat.com>

> ---
>  drivers/irqchip/irq-loongson-liointc.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/irqchip/irq-loongson-liointc.c 
> b/drivers/irqchip/irq-loongson-liointc.c
> index 649c58391618..aed88857d90f 100644
> --- a/drivers/irqchip/irq-loongson-liointc.c
> +++ b/drivers/irqchip/irq-loongson-liointc.c
> @@ -16,7 +16,11 @@
>  #include <linux/smp.h>
>  #include <linux/irqchip/chained_irq.h>
> 
> +#ifdef CONFIG_MIPS
>  #include <loongson.h>
> +#else
> +#include <asm/loongson.h>
> +#endif
> 
>  #define LIOINTC_CHIP_IRQ	32
>  #define LIOINTC_NUM_PARENT 4
> @@ -53,7 +57,7 @@ static void liointc_chained_handle_irq(struct irq_desc *desc)
>  	struct liointc_handler_data *handler = irq_desc_get_handler_data(desc);
>  	struct irq_chip *chip = irq_desc_get_chip(desc);
>  	struct irq_chip_generic *gc = handler->priv->gc;
> -	int core = get_ebase_cpunum() % LIOINTC_NUM_CORES;
> +	int core = cpu_logical_map(smp_processor_id()) % LIOINTC_NUM_CORES;
>  	u32 pending;
> 
>  	chained_irq_enter(chip, desc);
> -- 
> 2.27.0

-- 
- Jiaxun