Re: [PATCH v5 10/13] xhci: translate virtual addresses into the bus's address space

2020-12-28 Thread Peter Robinson
On Thu, Dec 24, 2020 at 12:23 PM Nicolas Saenz Julienne wrote: > > On Wed, 2020-12-23 at 19:55 +0100, Nicolas Saenz Julienne 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 t

Re: [PATCH v5 10/13] xhci: translate virtual addresses into the bus's address space

2020-12-24 Thread Nicolas Saenz Julienne
On Wed, 2020-12-23 at 19:55 +0100, Nicolas Saenz Julienne 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

[PATCH v5 10/13] xhci: translate virtual addresses into the bus's address space

2020-12-23 Thread Nicolas Saenz Julienne
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_vi