linux-kernel - Re: [PATCH V3 1/7] DRIVERS: IRQCHIP: IRQ-GIC: Add support for routable irqs

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Date:	Wed, 13 Nov 2013 21:02:04 +0530
From:	Sricharan R <r.sricharan@...com>
To:	Santosh Shilimkar <santosh.shilimkar@...com>
CC:	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-doc@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-omap@...r.kernel.org>, <linus.walleij@...aro.org>,
	<linux@....linux.org.uk>, <tony@...mide.com>, <rnayak@...com>,
	<marc.zyngier@....com>, <grant.likely@...aro.org>,
	<mark.rutland@....com>, <robherring2@...il.com>,
	<tglx@...utronix.de>, <galak@...eaurora.org>,
	Rob Herring <rob.herring@...xeda.com>
Subject: Re: [PATCH V3 1/7] DRIVERS: IRQCHIP: IRQ-GIC: Add support for routable
 irqs

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@...utronix.de>
>> Cc: Linus Walleij <linus.walleij@...aro.org>
>> Cc: Santosh Shilimkar <santosh.shilimkar@...com>
>> Cc: Russell King <linux@....linux.org.uk>
>> Cc: Tony Lindgren <tony@...mide.com>
>> Cc: Rajendra Nayak <rnayak@...com>
>> Cc: Marc Zyngier <marc.zyngier@....com>
>> Cc: Grant Likely <grant.likely@...aro.org>
>> Cc: Rob Herring <rob.herring@...xeda.com>
>> Signed-off-by: Sricharan R <r.sricharan@...com>
>> ---
> Acked-by: Santosh Shilimkar <santosh.shilimkar@...com>
Thanks Santosh. Will repost all with the minor changes suggested.

Regards,
 Sricharan
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