linux-kernel - Re: [PATCH] ARM: EXYNOS: no duplicate mask/unmask in eint0

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Message-ID: <CAD=FV=UTa4a8wewEdqu=ZnOKe-M5Brv-ex8ZGWfkTb6fqsRB_w@mail.gmail.com>
Date:	Thu, 6 Sep 2012 08:43:45 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Daniel Kurtz <djkurtz@...omium.org>
Cc:	Kukjin Kim <kgene.kim@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thomas Abraham <thomas.abraham@...aro.org>, olofj@...omium.org
Subject: Re: [PATCH] ARM: EXYNOS: no duplicate mask/unmask in eint0_15

On Thu, Sep 6, 2012 at 8:21 AM, Daniel Kurtz <djkurtz@...omium.org> wrote:
> chained_irq_enter/exit() already mask&ack/unmask the chained interrupt.
> There is no need to also explicitly do it in the handler.
>
> Signed-off-by: Daniel Kurtz <djkurtz@...omium.org>
> ---
>  arch/arm/mach-exynos/common.c |    7 -------
>  1 files changed, 0 insertions(+), 7 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
> index 4eb39cd..0a85aec 100644
> --- a/arch/arm/mach-exynos/common.c
> +++ b/arch/arm/mach-exynos/common.c
> @@ -965,14 +965,7 @@ static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
>         struct irq_chip *chip = irq_get_chip(irq);
>
>         chained_irq_enter(chip, desc);
> -       chip->irq_mask(&desc->irq_data);
> -
> -       if (chip->irq_ack)
> -               chip->irq_ack(&desc->irq_data);
> -
>         generic_handle_irq(*irq_data);
> -
> -       chip->irq_unmask(&desc->irq_data);
>         chained_irq_exit(chip, desc);
>  }
>
> --
> 1.7.7.3
>

Acked-by: Doug Anderson <dianders@...omium.org>
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