linux-kernel - Re: [PATCH] genirq: introduce irq_chip_mask_ack

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Date:   Wed, 6 Feb 2019 16:23:52 +0000
From:   Marc Zyngier <marc.zyngier@....com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>
Cc:     linux-kernel@...r.kernel.org, Brian Masney <masneyb@...tation.org>
Subject: Re: [PATCH] genirq: introduce irq_chip_mask_ack_parent()

On 06/02/2019 15:15, Linus Walleij wrote:
> The hierarchical irqchip never before ran into a situation
> where the parent is not "simple", i.e. does not implement
> .irq_ack() and .irq_mask() like most, but the qcom-pm8xxx.c
> happens to implement only .irq_mask_ack().
> 
> Since we want to make ssbi-gpio a hierarchical child of this
> irqchip, it must *also* only implement .irq_mask_ack()
> and call down to the parent, and for this we of course
> need irq_chip_mask_ack_parent().
> 
> Cc: Brian Masney <masneyb@...tation.org>
> Cc: Marc Zyngier <marc.zyngier@....com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

Acked-by: Marc Zyngier <marc.zyngier@....com>

	M.
-- 
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