6 Jul
2017
6 Jul
'17
6:49 a.m.
On 23 June 2017 at 03:54, Bin Meng bmeng.cn@gmail.com wrote:
A high speed hub has a special responsibility to handle full speed/ low speed devices connected on downstream ports. In this case, the hub must isolate the high speed signaling environment from the full speed/low speed signaling environment with the help of Transaction Translator (TT). TT details are provided by hub descriptors and we parse and save it to hub uclass_priv for later use.
Signed-off-by: Bin Meng bmeng.cn@gmail.com
common/usb_hub.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ include/usb.h | 16 ++++++++++++++++ include/usb_defs.h | 12 ++++++++++++ 3 files changed, 78 insertions(+)
Reviewed-by: Simon Glass sjg@chromium.org