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

From: Bjorn Helgaas
Date: Tue Aug 22 2017 - 17:36:11 EST


On Mon, Aug 14, 2017 at 09:04:25PM +0800, honghui.zhang@xxxxxxxxxxxx wrote:
> From: Honghui Zhang <honghui.zhang@xxxxxxxxxxxx>
>
> 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...