On 06/28/2017 10:28 AM, Bin Meng wrote: > Hi Marek, > > On Tue, Jun 27, 2017 at 7:57 AM, Bin Meng <bmeng...@gmail.com> wrote: >> 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? > > OK, I will do something similar like Linux in v2.
Thanks -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
