+Stefan On Fri, Nov 20, 2020 at 1:49 AM Nicolas Saenz Julienne <nsaenzjulie...@suse.de> wrote: > > 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.
I believe this was already addressed by Stefan before, to support xHCI in MIPS. > > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulie...@suse.de> > --- > drivers/usb/host/xhci-mem.c | 45 +++++++++++++++++++----------------- > drivers/usb/host/xhci-ring.c | 11 +++++---- > drivers/usb/host/xhci.c | 4 ++-- > include/usb/xhci.h | 22 +++++++++++++++++- > 4 files changed, 54 insertions(+), 28 deletions(-) > Regards, Bin
