Re: [PATCH 00/24] MIPS GIC cleanup, part 1
From: Jason Cooper
Date: Wed Sep 17 2014 - 10:07:31 EST
Andrew,
First, great work!
On Mon, Sep 15, 2014 at 04:51:03PM -0700, Andrew Bresticker wrote:
> The current MIPS GIC driver and the platform code using it are rather
> ugly and could use a good cleanup before adding device-tree support [0].
> This major issues addressed in this series are converting the GIC (and
> platforms using it) to use IRQ domains and properly mapping interrupts
> through the GIC instead of using it transparently. For part 2 I plan
> on: updating the driver to use proper iomem accessors, cleaning up and
> moving the GIC clocksource driver to drivers/clocksource/, adding DT
> support, and possibly converting the GIC driver to use generic irqchip.
>
> Patches 1-16 are cleanups for the existing GIC driver and prepare platforms
> using it for the switch to IRQ domains and using the GIC in a non-transparent
> way.
>
> Patches 17-24 convert the GIC driver to use IRQ domains and updates the
> platforms using it to properly map GIC interrupts instead of using the static
> routing tables to make the GIC appear transparent.
>
> I've tested this series on Malta and, with additional patches, on the
> DT-enabled Danube platform. Unfortunately I do not have SEAD-3 hardware,
> so that has only been compile tested. Compile tested on all other affected
> architectures (ath79, ralink, lantiq).
>
> [0] https://lkml.org/lkml/2014/9/5/542
>
> Andrew Bresticker (24):
...
> MIPS: Move GIC to drivers/irqchip/
> irqchip: mips-gic: Implement generic irq_ack/irq_eoi callbacks
> irqchip: mips-gic: Implement irq_set_type callback
> irqchip: mips-gic: Fix gic_set_affinity() return value
> irqchip: mips-gic: Use IRQ domains
> irqchip: mips-gic: Stop using per-platform mapping tables
> irqchip: mips-gic: Probe for number of external interrupts
> irqchip: mips-gic: Use separate edge/level irq_chips
> irqchip: mips-gic: Support local interrupts
> irqchip: mips-gic: Remove unnecessary globals
...
> drivers/irqchip/Kconfig | 4 +
> drivers/irqchip/Makefile | 1 +
> drivers/irqchip/irq-mips-gic.c | 597 +++++++++++++++++++++
It would be too much of a pia to have this go through irqchip, so
Acked-by: Jason Cooper <jason@xxxxxxxxxxxxxx>
Please make sure to add the Tested-by's, etc before merging through
mips.
thx,
Jason.
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