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irq: mips: simplify do_domain_IRQ()

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There's no need fpr arch/mips's do_domain_IRQ() to open-code the NULL
check performed by handle_irq_desc(), nor the resolution of the desc
performed by generic_handle_domain_irq().

Use generic_handle_domain_irq() directly, as this is functioanlly
equivalent and clearer.

There should be no functional change as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Mark Rutland 2021-10-20 18:20:32 +01:00
parent bab4ff1edc
commit 4cb6f4df97
1 changed files with 1 additions and 5 deletions
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6
arch/mips/kernel/irq.c
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@ -115,11 +115,7 @@ void __irq_entry do_domain_IRQ(struct irq_domain *domain, unsigned int hwirq)
irq_enter();
check_stack_overflow();
desc = irq_resolve_mapping(domain, hwirq);
if (likely(desc))
handle_irq_desc(desc);
generic_handle_domain_irq(domain, hwirq);
irq_exit();
}
#endif