On Thu, Feb 15, 2007 at 12:01:37PM +0530, Maximus wrote:
> Im trying to port some drivers between 2.6.14 and 2.6.19
>
> I find that irqdesc has changed completely. how do i port
> the drivers between 2.6.14 and 2.6.19?
>
> is there a porting guide available to port the drivers
> which use irqdesc?.
>
> my drivers use variables triggered, ... which dont exist in 2.6.19
> irqdesc strcuture.
>
Presumably you're talking about the struct hw_interrupt_type and the lack
of an irq_desc[irq].handler? There's some migration helper glue in
include/linux/irq.h that you can use, but you're better off converting
completely. You can at least get it building again by changing to
irq_desc[irq].chip, but you really want a proper irq_chip implementation
to go along with this, rather than munging in the hw_interrupt_type.
You can easily compare before-and-after versions of most of the IRQ
controllers to identify the minimal changes required.
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