linux-kernel - Re: [PATCH] x86: io

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Date:	Sat, 16 Aug 2008 01:26:48 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: io_apic.c, build fix

On Sat, Aug 16, 2008 at 1:22 AM, Ingo Molnar <mingo@...e.hu> wrote:
>
> From 306bb46f92d326c5afae3fa04860bdccb879b6b8 Mon Sep 17 00:00:00 2001
> From: Ingo Molnar <mingo@...e.hu>
> Date: Sat, 16 Aug 2008 10:18:31 +0200
> Subject: [PATCH] x86: io_apic.c, build fix
>
> fix:
>
>  arch/x86/kernel/io_apic.c: In function 'MPBIOS_trigger':
>  arch/x86/kernel/io_apic.c:1105: error: implicit declaration of function 'default_MCA_trigger'
>
> the MCA defines got lost in the unification.
>
> Signed-off-by: Ingo Molnar <mingo@...e.hu>
> ---
>  arch/x86/kernel/io_apic.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
> index 2043cd8..929429f 100644
> --- a/arch/x86/kernel/io_apic.c
> +++ b/arch/x86/kernel/io_apic.c
> @@ -1025,6 +1025,12 @@ static int EISA_ELCR(unsigned int irq)
>  #define default_EISA_trigger(idx)       (EISA_ELCR(mp_irqs[idx].mp_srcbusirq))
>  #define default_EISA_polarity(idx)      default_ISA_polarity(idx)
>
> +/* MCA interrupts are always polarity zero level triggered,
> + * when listed as conforming in the MP table. */
> +
> +#define default_MCA_trigger(idx)       (1)
> +#define default_MCA_polarity(idx)      default_ISA_polarity(idx)
> +
>
>  static int MPBIOS_polarity(int idx)
>  {
>

ah. EISA got too copies

/* ISA interrupts are always polarity zero edge triggered,
 * when listed as conforming in the MP table. */

#define default_ISA_trigger(idx)        (0)
#define default_ISA_polarity(idx)       (0)

/* EISA interrupts are always polarity zero and can be edge or level
 * trigger depending on the ELCR value.  If an interrupt is listed as
 * EISA conforming in the MP table, that means its trigger type must
 * be read in from the ELCR */

#define default_EISA_trigger(idx)       (EISA_ELCR(mp_irqs[idx].mp_srcbusirq))
#define default_EISA_polarity(idx)      default_ISA_polarity(idx)

/* PCI interrupts are always polarity one level triggered,
 * when listed as conforming in the MP table. */

#define default_PCI_trigger(idx)        (1)
#define default_PCI_polarity(idx)       (1)

/* EISA interrupts are always polarity zero and can be edge or level
 * trigger depending on the ELCR value.  If an interrupt is listed as
 * EISA conforming in the MP table, that means its trigger type must
 * be read in from the ELCR */

#define default_EISA_trigger(idx)       (EISA_ELCR(mp_irqs[idx].mp_srcbusirq))
#define default_EISA_polarity(idx)      default_ISA_polarity(idx)


need to remove the  extra one.

YH
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