linux-kernel - Re: [PATCH 07/28] m68k/irq: Switch irq_chip methods to "struct irq

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Date:	Sun, 11 Sep 2011 19:46:06 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Finn Thain <fthain@...egraphics.com.au>
Cc:	linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/28] m68k/irq: Switch irq_chip methods to "struct
 irq_data *data"

On Sun, Sep 11, 2011 at 15:40, Finn Thain <fthain@...egraphics.com.au> wrote:
> On Sun, 11 Sep 2011, Geert Uytterhoeven wrote:
>> diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
>> index ffa1b3f..3cee6d2 100644
>> --- a/arch/m68k/mac/macints.c
>> +++ b/arch/m68k/mac/macints.c
>> @@ -193,10 +193,20 @@ irqreturn_t mac_debug_handler(int, void *);
>>  void mac_enable_irq(unsigned int irq);
>>  void mac_disable_irq(unsigned int irq);
>>
>> +static void mac_irq_enable(struct irq_data *data)
>> +{
>> +     mac_enable_irq(data->irq);
>> +}
>> +
>> +static void mac_irq_disable(struct irq_data *data)
>> +{
>> +     mac_disable_irq(data->irq);
>> +}
>> +
>>  static struct irq_chip mac_irq_chip = {
>>       .name           = "mac",
>> -     .irq_enable     = mac_enable_irq,
>> -     .irq_disable    = mac_disable_irq,
>> +     .irq_enable     = mac_irq_enable,
>> +     .irq_disable    = mac_irq_disable,
>>  };
>>
>>  void __init mac_init_IRQ(void)
>
>
> I wrote a patch (below) to remove these wrapper functions from the
> m68k-genirq branch. What do you think of it? (Perhaps fold it into the
> patch above?)

I didn't remove the wrappers, as they're used outside the file.

> @@ -152,7 +149,7 @@ void baboon_irq_enable(int irq)
>
>        baboon_disabled &= ~(1 << irq_idx);
>        if (!baboon_disabled)
> -               mac_enable_irq(IRQ_NUBUS_C);
> +               mac_irq_enable(irq_get_irq_data(IRQ_NUBUS_C));

irq_get_irq_data() is not available in the non-genirq case, so this cleanup
cannot be folded in patch 7, and has to wait until after patch 27.

I'll add it at the end of the series, OK?

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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