Thomas Gleixner wrote:
quoted text > On Fri, 19 Oct 2007, Eric W. Biederman wrote:
>> Ingo Molnar <mingo@elte.hu> writes:
>>
>>> * Eric W. Biederman <ebiederm@xmission.com> wrote:
>>>
>>>>> thanks for doing this.
>>>> Yes. keeping this alive is good.
>>>>
>>>> The practical question is how do we make this change without breaking
>>>> the drivers that use their irq argument.
>>> the get_irq_regs() approach worked out really well. We should do a
>>> get_irq_nr() and be done with it?
>> The problem are some drivers today pass in 0 for their irq number
>> to flag that they are calling the interrupt handler in a polling
>> mode (not from interrupt context?) so the same logic doesn't quite apply.
>>
>> Do what you suggest would likely break those drivers.
>
> How many of them do we have ? This is a wilful abuse of the API, so
> its not a big damage if they break.
I would prefer to simply clean up the drivers such that
get_irqfunc_irq() and set_irqfunc_irq() are not needed.
One of the many reasons why I'm explicitly not pushing it upstream yet :)
Jeff
-
unsubscribe notice To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
majordomo@vger.kernel.org
More majordomo info at
http://vger.kernel.org/majordomo-info.html
Please read the FAQ at
http://www.tux.org/lkml/
Messages in current thread:
Re: [PATCH 0/9] Remove 'irq' argument from all irq handlers , Jeff Garzik , (Fri Oct 19, 3:55 pm)