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    SubjectRe: [PATCH v4 05/13] irqchip: add initial support for ompic
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    On Mon, Oct 30 2017 at  1:18:06 pm GMT, Stafford Horne <shorne@gmail.com> wrote:
    > On Mon, Oct 30, 2017 at 02:29:18AM +0000, Marc Zyngier wrote:
    >> On Mon, Oct 30 2017 at 8:11:15 am GMT, Stafford Horne <shorne@gmail.com> wrote:
    >> > From: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
    >> >
    >> > IPI driver for the Open Multi-Processor Interrupt Controller (ompic) as
    >> > described in the Multi-core support section of the OpenRISC 1.2
    >> > architecture specification:
    >> >
    >> > https://github.com/openrisc/doc/raw/master/openrisc-arch-1.2-rev0.pdf
    >> >
    >> > Each OpenRISC core contains a full interrupt controller which is used in
    >> > the SMP architecture for interrupt balancing. This IPI device, the
    >> > ompic, is the only external device required for enabling SMP on
    >> > OpenRISC.
    >> >
    >> > Pending ops are stored in a memory bit mask which can allow multiple
    >> > pending operations to be set and serviced at a time. This is mostly
    >> > borrowed from the alpha IPI implementation.
    >> >
    >> > Cc: Marc Zyngier <marc.zyngier@arm.com>
    >> > Acked-by: Rob Herring <robh@kernel.org>
    >> > Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
    >> > [shorne@gmail.com: converted ops to bitmask, wrote commit message]
    >> > Signed-off-by: Stafford Horne <shorne@gmail.com>
    >>
    >> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
    >
    > Thanks
    >
    >> Side question: what is your merge strategy for this? I can take it
    >> through the irqchip tree as it is standalone, but I'm open to other
    >> suggestions.
    >
    > For me its easier if I just take it through the openrisc tree, as
    > there are dependencies between this series and the irqchip driver.
    > If you are ok with that I can make a note to Linus indicating so in
    > the pull request.

    No problem, that's OK with me.

    > My plan is to send this series during the 4.15 merge window.

    Make sure this is in -next (when it comes back to life...).

    Thanks,

    M.
    --
    Jazz is not dead. It just smells funny.

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