Re: [PATCH] ATA convert GSI to irq on ia64
From: Luming Yu
Date: Thu Feb 08 2007 - 04:18:10 EST
sorry, it should be
#define ATA_PRIMARY_IRQ(dev) ide_default_irq(0x1F0)
On 2/8/07, Luming Yu <luming.yu@xxxxxxxxx> wrote:
if use ide_default_irq , then I guess the #if defined can be removed.
#define ATA_PRIMARY_IRQ(dev) isa_irq_to_vector(0x1F0)
On 2/8/07, Zhang, Yanmin <yanmin_zhang@xxxxxxxxxxxxxxx> wrote:
> If an ATA drive uses legacy mode, ata driver will choose 14 and 15 as the
> fixed irq number. On ia64 platform, such numbers are GSI and should be converted
> to irq vector.
>
> Below patch against kernel 2.6.20 fixes it.
>
> Signed-off-by: Zhang Yanmin <yanmin.zhang@xxxxxxxxx>
>
> ---
>
> diff -Nraup linux-2.6.20/include/asm-generic/libata-portmap.h linux-2.6.20_fix/include/asm-generic/libata-portmap.h
> --- linux-2.6.20/include/asm-generic/libata-portmap.h 2007-02-08 15:13:44.000000000 +0800
> +++ linux-2.6.20_fix/include/asm-generic/libata-portmap.h 2007-02-08 15:20:13.000000000 +0800
> @@ -3,10 +3,20 @@
>
> #define ATA_PRIMARY_CMD 0x1F0
> #define ATA_PRIMARY_CTL 0x3F6
> +#if defined(__ia64__)
> +#define ATA_PRIMARY_IRQ(dev) isa_irq_to_vector(14)
> +#else
> #define ATA_PRIMARY_IRQ(dev) 14
> +#endif
> +
>
> #define ATA_SECONDARY_CMD 0x170
> #define ATA_SECONDARY_CTL 0x376
> +#if defined(__ia64__)
> +#define ATA_SECONDARY_IRQ(dev) isa_irq_to_vector(15)
> +#else
> #define ATA_SECONDARY_IRQ(dev) 15
> +#endif
> +
>
> #endif
> -
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