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    SubjectRe: [PATCH 2/9] irq-remove: arch non-trivial
    Jeff Garzik <> writes:

    > Eric W. Biederman wrote:
    >> In this case we can easily pass the irqno into request_irq, allowing
    >> us to do "unsigned int intno = (unsigned int)dev_id;".
    >> I suspect this is the case for the majority of the non-trivial users
    >> as well.
    > Not that easy, alas :) Save for weirdos like the mac drivers I highlighted, it
    > seems like most drivers in the non-trivial already pass a useful pointer to
    > request_irq().

    I was talking about vm86_32.c in particular. Where we allow user space
    through the vm86 interface to directly handle the isa irq.

    > But as I mentioned, most of the "non-trivial" uses are actually trivial -- just
    > not as simple as removing the 'int irq' argument. Most of the time the irq
    > number is used in non-critical ways like printk's. A few times its used to
    > index into a structure (something dev_id could replace).


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      Last update: 2007-10-19 21:41    [W:0.019 / U:36.436 seconds]
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