s390/airq: add support for irq ranges
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 13 Feb 2014 12:02:32 +0000 (13:02 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 21 Feb 2014 07:50:22 +0000 (08:50 +0100)
Add airq_iv_alloc and airq_iv_free to allocate and free consecutive
ranges of irqs from the interrupt vector.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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