On 05/24/2018 08:40 AM, Bin Meng wrote: > If a USB 3.0 hub is plugged into the root port of the xHC, the xHCI > driver will issue a 'Configure Endpoint' command to the xHC for it > to update its internal data structure for this hub device. The hub > attributes are in the slot context so we need tell xHC to update the > slot context by setting the add context flags of the input control > context to only cover the slot context. > > At present the add context flags is or'ed with the slot context bit, > but it should really be accurately set to the slot context, as the > variable that holds the value of the add context flags comes from > whatever was set in the last command execution, which may contain > additional contexts that 'Configure Endpoint' command should not > touch. Some xHC implementations like x86 don't complain such, but > it was observed on Renesas RCar Gen3 platform that the RCar xHC > complains with a 'TRB error' completion codes as the response. > > Reported-by: Marek Vasut <[email protected]> > Signed-off-by: Bin Meng <[email protected]> > Tested-by: Marek Vasut <[email protected]> > Tested-by: Matthias Blankertz <[email protected]>
Applied all, thanks! -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
