[PATCH 0/2] irqchip: Armada 370/XP MPIC as a slave controller
Ezequiel Garcia
ezequiel.garcia at free-electrons.com
Mon Feb 17 10:48:00 EST 2014
Hi Thomas:
On Mon, Feb 10, 2014 at 05:00:00PM -0300, Ezequiel Garcia wrote:
> The newly introduced Armada 375 and Armada 38x Marvell SoCs are based on
> Cortex-A9 CPU cores and use the ARM GIC as their main interrupt controller.
>
> However, for various purposes (wake-up from suspend, MSI interrupts),
> the SoCs have a separate MPIC interrupt controller, acting as a slave
> to the GIC. This MPIC was already used as the primary controller on
> previous Marvell SoCs, so this commit extends the existing driver to
> allow the MPIC to be used as a GIC slave.
>
> This series consists in two patches: the first one adds a helper function
> to handle MSI interrupts. The second patch implements a chained handler, which
> uses the previously introduced helper.
>
> These patches apply cleanly on v3.14-rc1 plus:
>
> 36802fd irqchip: armada-370-xp: fix MSI race condition
> e1603bb irqchip: armada-370-xp: fix IPI race condition
>
> Or simply on v3.14-rc2.
>
> Ezequiel Garcia (2):
> irqchip: armada-370-xp: Add helper for the MSI IRQ handling
> irqchip: armada-370-xp: Setup a chained handler for the MPIC
>
> .../devicetree/bindings/arm/armada-370-xp-mpic.txt | 8 +-
> drivers/irqchip/irq-armada-370-xp.c | 96 ++++++++++++++++------
> 2 files changed, 76 insertions(+), 28 deletions(-)
>
Any comments on this?
--
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
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