Re: [PATCH 54/57] Documentation: irq: Change documents related to IRQF_DISABLED

[Bjorn Helgaas]

On Wed, Sep 21, 2011 at 3:28 AM, Yong Zhang <yong.zhang0@xxxxxxxxx> 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 <yong.zhang0@xxxxxxxxx>

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)

Bjorn
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/