sadly, it will not power my SanDisk thumb SD/SDHC/microSD adaptor:

[63174.007812] hub 1-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x101
[63174.132812] usb 1-1: new high speed USB device using musb_hdrc and address 13
[63174.265625] usb 1-1: default language 0x0409
[63174.273437] usb 1-1: new device strings: Mfr=0, Product=4, SerialNumber=5
[63174.273437] usb 1-1: Product: MobileMate SD+
[63174.273437] usb 1-1: SerialNumber: 03663
[63174.273437] usb 1-1: device v0781 pb2b3 is not supported
[63174.273437] usb 1-1: uevent
[63174.273437] usb 1-1: usb_probe_device
[63174.273437] usb 1-1: rejected 1 configuration due to insufficient available bus power
[63174.273437] usb 1-1: no configuration chosen from 1 choice
[63174.273437] drivers/usb/core/inode.c: creating file '013'