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    SubjectRe: [PATCH 1/8] of/irq: Create stub for of_irq_find_parent when !CONFIG_OF
    On 08/09/2012 10:53 AM, Lee Jones wrote:
    > of_irq_find_parent is a handy function to use outside the confines of
    > the Open Firmware subsystem. One such use-case is when the IRQ Domain
    > wishes to find an IRQ domain for a given device node. Currently it can
    > not take any notice of the 'interrupt-parent' property. Instead it
    > just uses the first IRQ controller as it climbs the Device Tree. If
    > we were to use this as a precursor the resultant controller is more
    > likely to be correct.
    >
    > CC: Rob Herring <rob.herring@calxeda.com>
    > CC: devicetree-discuss@lists.ozlabs.org
    > Signed-off-by: Lee Jones <lee.jones@linaro.org>

    Acked-by: Rob Herring <rob.herring@calxeda.com>

    Rob

    > ---
    > include/linux/of_irq.h | 5 +++++
    > 1 file changed, 5 insertions(+)
    >
    > diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
    > index 1717cd9..b8e2411 100644
    > --- a/include/linux/of_irq.h
    > +++ b/include/linux/of_irq.h
    > @@ -83,6 +83,11 @@ static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
    > {
    > return 0;
    > }
    > +
    > +static inline void *of_irq_find_parent(struct device_node *child)
    > +{
    > + return NULL;
    > +}
    > #endif /* !CONFIG_OF */
    >
    > #endif /* __OF_IRQ_H */
    >



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