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s390: Cio: Use the core irq stats function

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Let the core do the irq_desc resolution.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: s390 <linux-s390@vger.kernel.org>
Link: http://lkml.kernel.org/r/20140223212737.983433636@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2014-02-23 21:40:17 +00:00
parent a21748c935
commit bc5dfcff65
1 changed files with 1 additions and 4 deletions
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5
drivers/s390/cio/cio.c
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@ -584,8 +584,6 @@ static irqreturn_t do_cio_interrupt(int irq, void *dummy)
return IRQ_HANDLED;
}
static struct irq_desc *irq_desc_io;
static struct irqaction io_interrupt = {
.name = "IO",
.handler = do_cio_interrupt,
@ -596,7 +594,6 @@ void __init init_cio_interrupts(void)
irq_set_chip_and_handler(IO_INTERRUPT,
&dummy_irq_chip, handle_percpu_irq);
setup_irq(IO_INTERRUPT, &io_interrupt);
irq_desc_io = irq_to_desc(IO_INTERRUPT);
}
#ifdef CONFIG_CCW_CONSOLE
@ -623,7 +620,7 @@ void cio_tsch(struct subchannel *sch)
local_bh_disable();
irq_enter();
}
kstat_incr_irqs_this_cpu(IO_INTERRUPT, irq_desc_io);
kstat_incr_irq_this_cpu(IO_INTERRUPT);
if (sch->driver && sch->driver->irq)
sch->driver->irq(sch);
else