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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. Link: https://lore.kernel.org/r/20201105211159.1814485-10-robh@kernel.org Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Jingoo Han <jingoohan1@gmail.com> Cc: Murali Karicheri <m-karicheri2@ti.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Minghuan Lian <minghuan.Lian@nxp.com> Cc: Mingkai Hu <mingkai.hu@nxp.com> Cc: Roy Zang <roy.zang@nxp.com> Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Cc: linuxppc-dev@lists.ozlabs.org |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| pci-dra7xx.c | ||
| pci-exynos.c | ||
| pci-imx6.c | ||
| pci-keystone.c | ||
| pci-layerscape-ep.c | ||
| pci-layerscape.c | ||
| pci-meson.c | ||
| pcie-al.c | ||
| pcie-armada8k.c | ||
| pcie-artpec6.c | ||
| pcie-designware-ep.c | ||
| pcie-designware-host.c | ||
| pcie-designware-plat.c | ||
| pcie-designware.c | ||
| pcie-designware.h | ||
| pcie-hisi.c | ||
| pcie-histb.c | ||
| pcie-intel-gw.c | ||
| pcie-kirin.c | ||
| pcie-qcom.c | ||
| pcie-spear13xx.c | ||
| pcie-tegra194.c | ||
| pcie-uniphier-ep.c | ||
| pcie-uniphier.c | ||