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

Santosh Shilimkar santosh.shilimkar at ti.com
Wed Nov 13 10:27:08 EST 2013


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 at linutronix.de>
> Cc: Linus Walleij <linus.walleij at linaro.org>
> Cc: Santosh Shilimkar <santosh.shilimkar at ti.com>
> Cc: Russell King <linux at arm.linux.org.uk>
> Cc: Tony Lindgren <tony at atomide.com>
> Cc: Rajendra Nayak <rnayak at ti.com>
> Cc: Marc Zyngier <marc.zyngier at arm.com>
> Cc: Grant Likely <grant.likely at linaro.org>
> Cc: Rob Herring <rob.herring at calxeda.com>
> Signed-off-by: Sricharan R <r.sricharan at ti.com>
> Acked-by: Kumar Gala <galak at codeaurora.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 at ti.com>





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