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irqchip/brcmstb-l2: Remove some processing from the handler
Saving the generic chip pointer in the brcmstb_l2_intc_data prevents the need to call irq_get_domain_generic_chip(). Also don't need to save parent_irq and base there since local variables in the brcmstb_l2_intc_of_init() function are just as good. The handle_edge_irq flow or chained_irq_enter takes care of the acknowledgment of the interrupt so it is redundant to clear it in brcmstb_l2_intc_irq_handle(). irq_linear_revmap() is a fast path equivalent of irq_find_mapping() that is appropriate to use for domain controllers of this type. Defining irq_mask_ack is slightly more efficient than just implementing irq_mask and irq_ack separately. Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Doug Berger <opendmb@gmail.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Doug Berger
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Marc Zyngier
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Oct 19, 2017
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