Dear Jim Lin, In message <4b9c9637d5087840a465bdcb251780e9e2d6eda...@hkmail02.nvidia.com> you wrote: > Add support for command line "usb reset" or "usb start" to initialize > , "usb stop" to stop multiple USB controllers at once. > Other commands like "usb tree" also support multiple controllers.
Why would this be needed? U-Boot is not multi-tasking, so you can always access only a single USB device at a time ayway. And it is a decoumented design principle that U-Boot must not initialize any devices it does not use itself. So why? Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de A failure will not appear until a unit has passed final inspection. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot