Hi Marek, On Tue, Jun 27, 2017 at 2:06 AM, Marek Vasut <ma...@denx.de> wrote: > On 06/24/2017 03:53 AM, Bin Meng wrote: >> Hi Marek, >> >> On Sat, Jun 24, 2017 at 1:59 AM, Marek Vasut <ma...@denx.de> wrote: >>> On 06/23/2017 11:54 AM, Bin Meng wrote: >>>> USB 3.0 hub port status field has different bit positions from 2.0 >>>> hubs. Since U-Boot only understands the old version, translate the >>>> new one into the old one. >>> >>> This is quite hairy. I'd rather see some protocol version agnostic flag >>> field rather than patching the wPortStatus and co. >>> >> >> I am not sure how do do that in a clean way. If we return the raw 3.0 >> hub port status data, that means we need change lot of hub codes here >> and there to do different parsing. > > How does Linux handle this?
Looks Linux is doing different parsing depending on hub is 3.0 or 2.0, at least for the power bit that I was just looking at. Do you want to do that? Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
