usb: implement a usb_host_detect to scan individual USB hosts
Currently we can only (re)scan all USB hosts. Add a function to
scan individual hosts. This is useful for implementing the detect
callback in the next patch.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 31879ed commit 8f5889eb0a8a6171be96da58b02ad731eefd2768
@Sascha Hauer Sascha Hauer authored on 19 Jun 2013
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drivers/usb/core/usb.c
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include/usb/usb.h