linux-kernel - Re: [PATCH v4] openrisc: irq: use irqchip framework

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Date:	Sat, 21 Jun 2014 16:02:02 -0400
From:	Jason Cooper <jason@...edaemon.net>
To:	Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>
Cc:	linux-kernel@...r.kernel.org, linux@...ts.openrisc.net,
	jonas@...thpole.se, tglx@...utronix.de, geert@...ux-m68k.org
Subject: Re: [PATCH v4] openrisc: irq: use irqchip framework

Stefan,

On Mon, May 26, 2014 at 11:31:42PM +0300, Stefan Kristiansson wrote:
> In addition to consolidating the or1k-pic with other interrupt
> controllers, this makes OpenRISC less tied to its on-cpu
> interrupt controller.
> 
> All or1k-pic specific parts are moved out of irq.c and into
> drivers/irqchip/irq-or1k-pic.c
> 
> In that transition, the funtionality have been divided into
> three chip variants.
> One that handles level triggered interrupts, one that handles edge
> triggered interrupts and one that handles the interrupt
> controller that is present in the or1200 OpenRISC cpu
> implementation.
> 
> Signed-off-by: Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>
> ---
> Changes in v2:
>  - Move or1k-pic related code into irq-or1k-pic
>  - Add documentation for device tree bindings
> 
> Changes in v3:
>  - Split level-, edge-triggered and or1200 implementation into seperate
>    chip variants.
> 
> Changes in v4:
>  - Fix typos in documentation
> ---
>  .../interrupt-controller/opencores,or1k-pic.txt    |  23 +++
>  arch/openrisc/Kconfig                              |   1 +
>  arch/openrisc/include/asm/irq.h                    |   3 +
>  arch/openrisc/kernel/irq.c                         | 146 ++---------------
>  drivers/irqchip/Kconfig                            |   4 +
>  drivers/irqchip/Makefile                           |   1 +
>  drivers/irqchip/irq-or1k-pic.c                     | 182 +++++++++++++++++++++
>  7 files changed, 227 insertions(+), 133 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/opencores,or1k-pic.txt
>  create mode 100644 drivers/irqchip/irq-or1k-pic.c

I've now applied this to irqchip/unstable with Jonas' Ack to get it some
time in -next.  As the name implies, I can rebase or edit this as
needed.

Since this crosses into arch/openrisc, you may have other changes
depending on it.  If so, just let me know and I'll create a stable topic
branch for you instead of merging it directly into irqchip/core.

thx,

Jason.
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