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SubjectRe: [PATCH 54/57] Documentation: irq: Change documents related to IRQF_DISABLED
On Wed, Sep 21, 2011 at 3:28 AM, Yong Zhang <> wrote:
> IRQF_DISABLED is a NOOP now, place where suggest to use this
> flag also doesn't make sense any more.
> Signed-off-by: Yong Zhang <>

I assume this will be applied via some non-PCI tree (let me know if
otherwise). The MSI-HOWTO.txt change looks fine to me.

> --- a/Documentation/scsi/ncr53c8xx.txt
> +++ b/Documentation/scsi/ncr53c8xx.txt
> @@ -786,7 +786,9 @@ port address 0x1400.
>         irqm:1     same as initial settings (assumed BIOS settings)
>         irqm:2     always totem pole
>         irqm:0x10  driver will not use IRQF_SHARED flag when requesting irq
> -        irqm:0x20  driver will not use IRQF_DISABLED flag when requesting irq
> +        irqm:0x20  driver will not use IRQF_DISABLED (does not make sense
> +                  any more since genirq will keep irq disabled and the flag
> +                  is dead from linux-2.6.35) flag when requesting irq
>     (Bits 0x10 and 0x20 can be combined with hardware irq mode option)

The new text doesn't make sense to me. I think it should say something like:

irqm:0x20 driver will not use IRQF_DISABLED flag when requesting
irq (only useful for linux-2.6.34 and earlier)

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