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    SubjectRe: [patch V2 41/46] platform-msi: Provide default irq_chip:: Ack
    On Wed, 26 Aug 2020 12:17:09 +0100,
    Thomas Gleixner <tglx@linutronix.de> wrote:
    >
    > From: Thomas Gleixner <tglx@linutronix.de>
    >
    > For the upcoming device MSI support it's required to have a default
    > irq_chip::ack implementation (irq_chip_ack_parent) so the drivers do not
    > need to care.
    >
    > Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    >
    > ---
    > drivers/base/platform-msi.c | 2 ++
    > 1 file changed, 2 insertions(+)
    >
    > --- a/drivers/base/platform-msi.c
    > +++ b/drivers/base/platform-msi.c
    > @@ -95,6 +95,8 @@ static void platform_msi_update_chip_ops
    > chip->irq_mask = irq_chip_mask_parent;
    > if (!chip->irq_unmask)
    > chip->irq_unmask = irq_chip_unmask_parent;
    > + if (!chip->irq_ack)
    > + chip->irq_ack = irq_chip_ack_parent;
    > if (!chip->irq_eoi)
    > chip->irq_eoi = irq_chip_eoi_parent;
    > if (!chip->irq_set_affinity)
    >
    >

    Acked-by: Marc Zyngier <maz@kernel.org>

    M.

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