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authorThomas Gleixner <tglx@linutronix.de>2014-02-23 21:40:17 +0000
committerThomas Gleixner <tglx@linutronix.de>2014-03-04 17:37:54 +0100
commitbc5dfcff65f24f15567f766d8bd081d594ef8cc2 (patch)
tree77001148878eb5a3e4949483ccd03a24e71ddb34 /drivers/s390/cio/cio.c
parenta21748c93544901448777b5fa2abe1194c02c6dc (diff)
downloadop-kernel-dev-bc5dfcff65f24f15567f766d8bd081d594ef8cc2.zip
op-kernel-dev-bc5dfcff65f24f15567f766d8bd081d594ef8cc2.tar.gz
s390: Cio: Use the core irq stats function
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>
Diffstat (limited to 'drivers/s390/cio/cio.c')
-rw-r--r--drivers/s390/cio/cio.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 8ee88c4..f711f0b 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -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
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