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powerpc: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc

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Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we
already have a pointer to corresponding irq_desc.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Jiang Liu
2015-05-20 17:59:52 +08:00
committed by Michael Ellerman
parent d20be433e6
commit c1231a784a
5 changed files with 5 additions and 5 deletions
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2
arch/powerpc/platforms/embedded6xx/hlwd-pic.c
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@@ -124,7 +124,7 @@ static void hlwd_pic_irq_cascade(unsigned int cascade_virq,
struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
struct irq_domain *irq_domain = irq_get_handler_data(cascade_virq);
struct irq_domain *irq_domain = irq_desc_get_handler_data(desc);
unsigned int virq;
raw_spin_lock(&desc->lock);