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PCI: hisi: Avoid invalid address space conversions
The sparse checker complains about converting pointers between address spaces. The pci_config_window.priv pointer is a generic void *, but hisi_pcie_map_bus() needs a void __iomem *. This isn't a problem in other drivers because they store the __iomem pointer in a driver struct. Add a trivial struct hisi_pcie to avoid the warning. The sparse warning looks like this: $ make C=2 drivers/pci/controller/ drivers/pci/controller/dwc/pcie-hisi.c:61:37: warning: incorrect type in initializer (different address spaces) drivers/pci/controller/dwc/pcie-hisi.c:61:37: expected void [noderef] __iomem *reg_base drivers/pci/controller/dwc/pcie-hisi.c:61:37: got void *priv Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Bjorn Helgaas <[email protected]> Cc: Zhou Wang <[email protected]>
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