USB: host: detect port change only once in usb_hub_configure_port
Otherwise a device may be registered/unregistered multiple times
during scanning the hub ports.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 4bff0a0 commit 99b79e4a456b6bfee07b385cca722c5da925f28b
@Sascha Hauer Sascha Hauer authored on 15 Jul 2014
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drivers/usb/core/hub.c