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/openbmc/linux/drivers/usb/gadget/ |
H A D | configfs.c | 7c075538 Wed Jan 11 00:51:05 CST 2023 Chanh Nguyen <chanh@os.amperecomputing.com> USB: gadget: Add ID numbers to configfs-gadget driver names
It is unable to use configfs to attach more than one gadget. When attaching the second gadget, it always fails and the kernel message prints out:
Error: Driver 'configfs-gadget' is already registered, aborting... UDC core: g1: driver registration failed: -16
This commit fixes the problem by using the gadget name as a suffix to each configfs_gadget's driver name, thus making the names distinct.
Fixes: fc274c1e9973 ("USB: gadget: Add a new bus for gadgets") Cc: stable <stable@kernel.org> Signed-off-by: Chanh Nguyen <chanh@os.amperecomputing.com> Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Reviewed-by: Frank Li <frank.li@nxp.com> Link: https://lore.kernel.org/r/20230111065105.29205-1-chanh@os.amperecomputing.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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