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? -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
