xhci: remove GFP_DMA flag from allocation

commit 5db851cf20 upstream.

There is no reason to restrict allocations to the first 16MB ISA DMA
addresses.

It is causing problems in a virtualization setup with enabled IOMMU
(x86_64). The result is that USB is not working in the VM.

Signed-off-by: Matthias Lange <matthias.lange@kernkonzept.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthias Lange 2017-05-17 18:32:04 +03:00 • committed by Greg Kroah-Hartman
commit 374a3fb5c3