linux-kernel - Re: [PATCH v6 0/4] gicv2m: acpi: Add ACPI support for GICv2m MSI

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Date:	Wed, 9 Dec 2015 18:20:18 -0800
From:	Duc Dang <dhdang@....com>
To:	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
Cc:	Marc Zyngier <marc.zyngier@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>, rjw@...ysocki.net,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Will Deacon <will.deacon@....com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Hanjun Guo <hanjun.guo@...aro.org>,
	Tomasz Nowicki <tomasz.nowicki@...aro.org>,
	G Gregory <graeme.gregory@...aro.org>,
	linux-arm <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH v6 0/4] gicv2m: acpi: Add ACPI support for GICv2m MSI

On Wed, Dec 9, 2015 at 11:24 AM, Suravee Suthikulpanit
<Suravee.Suthikulpanit@....com> wrote:
>
> This patch series has been forked from the following patch series since
> it no longer depends on the rest of the patches.
>
>   [PATCH v4 00/10] ACPI GIC Self-probing, GICv2m and GICv3 support
>   https://lkml.org/lkml/2015/7/29/234
>
> It has been ported to use the newly introduced device fwnode_handle
> for ACPI irqdmain introduced by Marc in the following patch series:
>
>   [PATCH v2 00/17] Divorcing irqdomain and device_node
>
> The following git branch contains the submitted patches along with
> the pre-requsite patches (mainly for ARM64 PCI support for ACPI).
>
>   https://github.com/ssuthiku/linux.git v2m-multiframe-v6
>
> This has been tested on AMD Seattle (Overdrive) RevB system.
>
> NOTE: I have not tested ACPI GICv2m multiframe support since
> I don't have access to such system. Any helps are appreciated.

Hi Suravee,

I tested your v2m-multiframe-v6 branch with APM X-Gene 2 that has
multiple GICv2m frames and it worked.

Please feel free to add:
Tested-by: Duc Dang <dhdang@....com>

>
> Thanks,
> Suravee
>
> Changes from V5: (https://lkml.org/lkml/2015/12/08/763)
>   - Remove previous patch 3
>   - Clean up based on Marc's review (patch 1.4)
>   - Add Ackedb-by and Reviewed-by (Patch 1,2,3)
>   - Expose single gicv2m_init() function for both OF and ACPI
>     (per Marc's suggestion)
>   - Remove gicv2m name from pr_info since this is no longer useful
>     (in patch 3) (per Marc's suggestion)
>
> Changes from V4: (https://lkml.org/lkml/2015/12/08/613)
>   - Fix build error when not specifying CONFIG_IRQ_DOMAIN.
>
> Changes from V3: (https://lkml.org/lkml/2015/10/21/691)
>   - Merged patch 2 into 1, and got rid off pci_msi_get_fwnode()
>     since only ACPI will likely use this. (per Marc suggestion)
>   - Rebased to 4.4.0-rc4
>
> Changes from V2: (https://lkml.org/lkml/2015/10/14/1010)
>   - Minor clean up from Tomasz review comment in patch 6/6.
>
> Changes from V1: (https://lkml.org/lkml/2015/10/13/859)
>   - Rebase on top of Marc's patch to addng support for multiple MSI frames
>     (https://lkml.org/lkml/2015/10/14/271)
>   - Adding fwnode convenient functions (patch 3 and 4)
>
> Suravee Suthikulpanit (4):
>   acpi: pci: Setup MSI domain for ACPI based pci devices
>   irqdomain: introduce is_fwnode_irqchip helper
>   gicv2m: Refactor to prepare for ACPI support
>   gicv2m: acpi: Introducing GICv2m ACPI support
>
>  drivers/irqchip/irq-gic-v2m.c   | 167 ++++++++++++++++++++++++++++++++++------
>  drivers/irqchip/irq-gic.c       |   8 +-
>  drivers/pci/pci-acpi.c          |  42 ++++++++++
>  drivers/pci/probe.c             |   2 +
>  include/linux/irqchip/arm-gic.h |   3 +-
>  include/linux/irqdomain.h       |  10 +++
>  include/linux/pci.h             |  10 +++
>  kernel/irq/irqdomain.c          |   2 +-
>  8 files changed, 218 insertions(+), 26 deletions(-)
>
> --
> 2.1.0
>
Thanks,
Duc Dang.
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