On Monday 08 February 2016 12:41:03 Gabriele Paoloni wrote:
> From: gabriele paoloni <gabriele.paol...@huawei.com>
>
> This patch modifies the current Hip05/Hip06 PCIe host controller
> driver to make it ECAM compliant. This is needed in preparation
> for the ACPI based driver to allow both DT and ACPI drivers to
> use the same BIOS (that configure the Designware iATUs).
>
> Signed-off-by: Gabriele Paoloni <gabriele.paol...@huawei.com>
> Signed-off-by: Dongdong Liu <liudongdo...@huawei.com>
>
Doesn't this break backwards compatibility?
I think you need to use a new compatible string in the firmware
if you change the register layout, and then change the driver
to support both the old and the new layout.
Arnd
