Ah OS X, then no. It may be that someday OS X gets decent MTP support, someone would need to fix the libusb port to OS X for that. libusb currently tries to wake up suspended devices, which causes hangs on some OS X machines. That means it cannot be used in calibre until the hanging is fixed.
Notice to all: I can not
provide assistance with DRM removal, for legal reasons, so please do not contact me about it.