[PATCH 09/13] PCI: dwc: Rework MSI initialization

[Jingoo Han]

On 10/28/20, 4:47 PM, Rob Herring wrote:
> 
> There are 3 possible MSI implementations for the DWC host. The first is
> using the built-in DWC MSI controller. The 2nd is a custom MSI
> controller as part of the PCI host (keystone only). The 3rd is an
> external MSI controller (typically GICv3 ITS). Currently, the last 2
> are distinguished with a .msi_host_init() hook with the 3rd option using
> an empty function. However we can detect the 3rd case with the presence
> of 'msi-parent' or 'msi-map' properties, so let's do that instead and
> remove the empty functions.
>
> Cc: Murali Karicheri <m-karicheri2 at ti.com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
> Cc: Bjorn Helgaas <bhelgaas at google.com>
> Cc: Minghuan Lian <minghuan.Lian at nxp.com>
> Cc: Mingkai Hu <mingkai.hu at nxp.com>
> Cc: Roy Zang <roy.zang at nxp.com>
> Cc: Jingoo Han <jingoohan1 at gmail.com>

Acked-by: Jingoo Han <jingoohan1 at gmail.com>

Best regards,
Jingoo Han

> Cc: Gustavo Pimentel <gustavo.pimentel at synopsys.com>
> Cc: linuxppc-dev at lists.ozlabs.org
> Signed-off-by: Rob Herring <robh at kernel.org>
> ---
>  drivers/pci/controller/dwc/pci-keystone.c     |  9 -------
>  drivers/pci/controller/dwc/pci-layerscape.c   | 25 -------------------
>  .../pci/controller/dwc/pcie-designware-host.c | 20 +++++++++------
>  drivers/pci/controller/dwc/pcie-designware.h  |  1 +
>  drivers/pci/controller/dwc/pcie-intel-gw.c    |  9 -------
>  5 files changed, 13 insertions(+), 51 deletions(-)

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