linux-kernel - Re: [PATCH v2 0/3] PCI: mediatek: Add MSI support for MT2712 and MT7622

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Date:   Tue, 22 Aug 2017 16:36:03 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     honghui.zhang@...iatek.com
Cc:     bhelgaas@...gle.com, matthias.bgg@...il.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        yingjoe.chen@...iatek.com, eddie.huang@...iatek.com,
        ryder.lee@...iatek.com, hongkun.cao@...iatek.com,
        youlin.pei@...iatek.com, yong.wu@...iatek.com,
        yt.shen@...iatek.com, sean.wang@...iatek.com,
        xinping.qian@...iatek.com
Subject: Re: [PATCH v2 0/3] PCI: mediatek: Add MSI support for MT2712 and
 MT7622

On Mon, Aug 14, 2017 at 09:04:25PM +0800, honghui.zhang@...iatek.com wrote:
> From: Honghui Zhang <honghui.zhang@...iatek.com>
> 
> MT2712 and MT7622's PCIe host controller support MSI, but only 32bit MSI
> address are supportted. It connect to GIC with the same IRQ number of INTx
> IRQ, so it shares the same IRQ with INTx IRQ.
> 
> This patchset add MSI support for MT2712 and MT7622.
> Also do some code fixup and cleanups.
> 
> Change Since V1:
>  - Add the first two patches into this patchset.
>  - Using -ENODEV instead of PTR_ERR if msi_domain == NULL
>  - Change the error logs with consistency of lower-case
>  - Using has_msi instead of support_msi to make the parameter name a bit shorter
> 
> Honghui Zhang (3):
>   PCI: mediatek: Fix return value in case of error
>   PCI: mediatek: take use of bus->sysdata to get host private data
>   PCI: mediatek: add msi support for MT2712 and MT7622
> 
>  drivers/pci/host/pcie-mediatek.c | 157 +++++++++++++++++++++++++++++++++++++--
>  1 file changed, 151 insertions(+), 6 deletions(-)

Just waiting for an ack from Ryder...