linux-kernel - Re: [PATCH] MIPS: MSP71xx: remove compilation error

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Date:	Mon, 20 Oct 2014 09:21:43 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Stefan Hengelein <stefan.hengelein@....de>
Cc:	Linux MIPS Mailing List <linux-mips@...ux-mips.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] MIPS: MSP71xx: remove compilation error

On Sun, Oct 19, 2014 at 8:04 PM, Stefan Hengelein
<stefan.hengelein@....de> wrote:
> When CONFIG_MIPS_MT_SMP is enabled, the following compilation error
> occurs:
>
> arch/mips/pmcs-msp71xx/msp_irq_cic.c:134: error: ‘irq’ undeclared
>
> This code clearly never saw a compiler.
> The surrounding code suggests, that 'd->irq' was intended, not
> 'irq'.
>
> This error was found with vampyr.
>
> Signed-off-by: Stefan Hengelein <stefan.hengelein@....de>

Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Fixes: d7881fbdf866d7d0 ("MIPS: msp71xx: Convert to new irq_chip functions")

(from 2011 ;-)

> ---
>  arch/mips/pmcs-msp71xx/msp_irq_cic.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/mips/pmcs-msp71xx/msp_irq_cic.c b/arch/mips/pmcs-msp71xx/msp_irq_cic.c
> index b8df2f7..1207ec4 100644
> --- a/arch/mips/pmcs-msp71xx/msp_irq_cic.c
> +++ b/arch/mips/pmcs-msp71xx/msp_irq_cic.c
> @@ -131,11 +131,11 @@ static int msp_cic_irq_set_affinity(struct irq_data *d,
>         int cpu;
>         unsigned long flags;
>         unsigned int  mtflags;
> -       unsigned long imask = (1 << (irq - MSP_CIC_INTBASE));
> +       unsigned long imask = (1 << (d->irq - MSP_CIC_INTBASE));
>         volatile u32 *cic_mask = (volatile u32 *)CIC_VPE0_MSK_REG;
>
>         /* timer balancing should be disabled in kernel code */
> -       BUG_ON(irq == MSP_INT_VPE0_TIMER || irq == MSP_INT_VPE1_TIMER);
> +       BUG_ON(d->irq == MSP_INT_VPE0_TIMER || d->irq == MSP_INT_VPE1_TIMER);
>
>         LOCK_CORE(flags, mtflags);
>         /* enable if any of each VPE's TCs require this IRQ */

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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