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xen: Use the proper irq functions

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generic_handler_irq() already tests for !desc so use this instead of
generic_handle_irq_desc().

Use irq_get_irq_data() instead of desc->irq_data.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Xen <xen-devel@lists.xenproject.org>
Link: http://lkml.kernel.org/r/20140223212738.222412125@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2014-02-23 21:40:18 +00:00
parent 49f3fbc7b8
commit 589d03e93f
3 changed files with 8 additions and 22 deletions
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8
drivers/xen/events/events_fifo.c
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@@ -235,14 +235,10 @@ static uint32_t clear_linked(volatile event_word_t *word)
static void handle_irq_for_port(unsigned port)
{
int irq;
struct irq_desc *desc;
irq = get_evtchn_to_irq(port);
if (irq != -1) {
desc = irq_to_desc(irq);
if (desc)
generic_handle_irq_desc(irq, desc);
}
if (irq != -1)
generic_handle_irq(irq);
}
static void consume_one_event(unsigned cpu,