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    Subject[patch 0/2] driver core: platform_get_irq*(): return -ENXIO on error
    platform_get_irq*() can't return 0 on error since 0 may be a valid IRQ.,
    instead return a -ve error code.

    platform_get_irq-return-error:
    - return -ENXIO if platform_get_irq*() can't find the resource.

    platform_get_irq-fix-users-on-error:
    - fix all the users of platform_get_irq*() so they do something
    sensible when it returns an error.

    David Vrabel
    -
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