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authorBin Meng <bmeng.cn@gmail.com>2017-07-19 13:51:16 (GMT)
committerMarek Vasut <marex@denx.de>2017-07-28 21:34:34 (GMT)
commit5624dfd5aa91c244519ec60b40b4a42b4d9a43ca (patch)
treee7a0a302d46a576835159e30477071f7c599287b /common/env_embedded.c
parent493b8dd070f2412b49190b71b44baddbb2b24e37 (diff)
downloadu-boot-fsl-qoriq-5624dfd5aa91c244519ec60b40b4a42b4d9a43ca.tar.xz
usb: hub: Parse and save TT details from device descriptor
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> Reviewed-by: Simon Glass <sjg@chromium.org>
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