linux-kernel - Re: [PATCH V3 2/7] DRIVERS: IRQCHIP: CROSSBAR: Add support for Crossbar IP

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Date:	Wed, 13 Nov 2013 10:27:08 -0500
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	Sricharan R <r.sricharan@...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 2/7] DRIVERS: IRQCHIP: CROSSBAR: Add support for Crossbar
 IP

On Tuesday 05 November 2013 08:14 AM, Sricharan R wrote:
> Some socs have a large number of interrupts requests to service
> the needs of its many peripherals and subsystems. All of the
> interrupt lines from the subsystems are not needed at the same
> time, so they have to be muxed to the irq-controller appropriately.
> In such places a interrupt controllers are preceded by an CROSSBAR
> that provides flexibility in muxing the device requests to the controller
> inputs.
> 
> This driver takes care a allocating a free irq and then configuring the
> crossbar IP as a part of the mpu's irqchip callbacks. crossbar_init should
> be called right before the irqchip_init, so that it is setup to handle the
> irqchip callbacks.
> 
> 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: Kumar Gala <galak@...eaurora.org> (for DT binding portion)
> ---
As someone commented already, lets call the driver as irq-crossbar
since there might need of something similar for DMA and IO's.

So rename the code accordingly. Other than that,
Acked-by: Santosh Shilimkar <santosh.shilimkar@...com>


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