Re: [patch v11 16/23] irqchip: Add GICv2 specific ACPI boot support

From: Catalin Marinas
Date: Wed Mar 25 2015 - 21:07:18 EST

On Tue, Mar 24, 2015 at 10:02:49PM +0800, Hanjun Guo wrote:
> From: Tomasz Nowicki <tomasz.nowicki@xxxxxxxxxx>
> ACPI kernel uses MADT table for proper GIC initialization. It needs to
> parse GIC related subtables, collect CPU interface and distributor
> addresses and call driver initialization function (which is hardware
> abstraction agnostic). In a similar way, FDT initialize GICv1/2.
> NOTE: This commit allow to initialize GICv1/2 basic functionality.
> While now simple GICv2 init call is used, any further GIC features
> require generic infrastructure for proper ACPI irqchip initialization.
> That mechanism and stacked irqdomains to support GICv2 MSI/virtualization
> extension, GICv3/4 and its ITS are considered as next steps.
> CC: Jason Cooper <jason@xxxxxxxxxxxxxx>
> CC: Marc Zyngier <marc.zyngier@xxxxxxx>
> CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
> Tested-by: Yijing Wang <wangyijing@xxxxxxxxxx>
> Tested-by: Mark Langsdorf <mlangsdo@xxxxxxxxxx>
> Tested-by: Jon Masters <jcm@xxxxxxxxxx>
> Tested-by: Timur Tabi <timur@xxxxxxxxxxxxxx>
> Tested-by: Robert Richter <rrichter@xxxxxxxxxx>
> Acked-by: Robert Richter <rrichter@xxxxxxxxxx>
> Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>
> Acked-by: Jason Cooper <jason@xxxxxxxxxxxxxx>
> Reviewed-by: Grant Likely <grant.likely@xxxxxxxxxx>
> Signed-off-by: Tomasz Nowicki <tomasz.nowicki@xxxxxxxxxx>
> Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>

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