Re: irqdesc porting help

From: Maximus
Date: Thu Feb 15 2007 - 08:11:45 EST


Hi,
My drivers in 2.6.14 use statements like
desc->triggered = 1;
And desc also points to some members of irqdesc which arent in
2.6.19 but in 2.6.14.

Im a newbie, What changes am i supposed to make to make it work in 2.6.19.
Im not sure what changes are exactly needed.


Please Advice,

Regards,
Jo



On 2/15/07, Russell King <rmk+lkml@xxxxxxxxxxxxxxxx> wrote:
On Thu, Feb 15, 2007 at 07:33:47PM +0900, Paul Mundt wrote:
> 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.

It should be asked - why are drivers poking about in the irqdesc
structure?

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:

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