Re: [PATCH V3 1/7] DRIVERS: IRQCHIP: IRQ-GIC: Add support for routableirqs

From: Sricharan R
Date: Wed Nov 13 2013 - 10:33:00 EST


Hi,
On Wednesday 13 November 2013 08:54 PM, Santosh Shilimkar wrote:
> On Tuesday 05 November 2013 08:14 AM, Sricharan R wrote:
>> In some socs the gic can be preceded by a crossbar IP which
>> routes the peripheral interrupts to the gic inputs. The peripheral
>> interrupts are associated with a fixed crossbar input line and the
>> crossbar routes that to one of the free gic input line.
>>
>> The DT entries for peripherals provides the fixed crossbar input line
>> as its interrupt number and the mapping code should associate this with
>> a free gic input line. This patch adds the support inside the gic irqchip
>> to handle such routable irqs. The routable irqs are registered in a linear
>> domain. The registered routable domain's callback should be implemented
>> to get a free irq and to configure the IP to route it.
>>
>> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
>> Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
>> Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
>> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
>> Cc: Rajendra Nayak <rnayak@xxxxxx>
>> Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
>> Cc: Grant Likely <grant.likely@xxxxxxxxxx>
>> Cc: Rob Herring <rob.herring@xxxxxxxxxxx>
>> Signed-off-by: Sricharan R <r.sricharan@xxxxxx>
>> ---
> Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Thanks Santosh. Will repost all with the minor changes suggested.

Regards,
Sricharan
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