s390/irq: use irq 0

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Irq 0 is currently unused on s390. Since there is no reason to
do this start counting at the beginning and gain an additional
irq. Also correctly report the smallest usable irq number for
dynamic allocation.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Sebastian Ott 2014-11-14 11:01:37 +01:00 • committed by Martin Schwidefsky

parent 99e97b7106

commit afaa7d29bc

2 changed files with 5 additions and 11 deletions

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11

arch/s390/include/asm/irq.h

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5

arch/s390/kernel/irq.c

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