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1a474559d9
So far we've been content with passing physical addresses when configuring memory addresses into XHCI controllers, but not all platforms have buses with transparent mappings. Specifically the Raspberry Pi 4 might introduce an offset to memory accesses incoming from its PCIe port. Introduce xhci_virt_to_bus() and xhci_bus_to_virt() to cater with these limitations, and make sure we don't break non DM users. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Peter Robinson <pbrobinson@gmail.com> [mb: fix compilation for 32 bit] Signed-off-by: Matthias Brugger <mbrugger@suse.com> fix from nicolas |
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