[   81.276226] sysfs: cannot create duplicate filename '/devices/platform/12110000.usb/usb1/1-3/1-3.2/1-3.2.3/greybus1/1-1/1-1.1/power_supply/gb_bat'
[   81.276230] Modules linked in: gb_power_supply(O) gb_light(O) gb_legacy(O) gb_es2(O) gb_phy(O) greybus(O)
[   81.276253] CPU: 0 PID: 387 Comm: kworker/u4:2 Tainted: G           O    4.5.0-03247-g602164ffb67f-dirty #5
[   81.276258] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[   81.276274] Workqueue: greybus1:svc gb_svc_process_deferred_request [greybus]
[   81.276290] [<c0015ee8>] (unwind_backtrace) from [<c0012c8c>] (show_stack+0x10/0x14)
[   81.276299] [<c0012c8c>] (show_stack) from [<c01fb3a0>] (dump_stack+0x84/0xc4)
[   81.276307] [<c01fb3a0>] (dump_stack) from [<c0023428>] (warn_slowpath_common+0x80/0xb0)
[   81.276314] [<c0023428>] (warn_slowpath_common) from [<c0023488>] (warn_slowpath_fmt+0x30/0x40)
[   81.276322] [<c0023488>] (warn_slowpath_fmt) from [<c013b7dc>] (sysfs_warn_dup+0x64/0x74)
[   81.276330] [<c013b7dc>] (sysfs_warn_dup) from [<c013b8bc>] (sysfs_create_dir_ns+0x88/0x98)
[   81.276338] [<c013b8bc>] (sysfs_create_dir_ns) from [<c01fdc84>] (kobject_add_internal+0xa0/0x2f8)
[   81.276345] [<c01fdc84>] (kobject_add_internal) from [<c01fe070>] (kobject_add+0x4c/0x98)
[   81.276353] [<c01fe070>] (kobject_add) from [<c02c75a8>] (device_add+0xd8/0x570)
[   81.276361] [<c02c75a8>] (device_add) from [<c03e8c28>] (__power_supply_register+0x24c/0x42c)
[   81.276370] [<c03e8c28>] (__power_supply_register) from [<bf02dbcc>] (gb_power_supply_probe+0x1f8/0x2bc [gb_power_supply])
[   81.276383] [<bf02dbcc>] (gb_power_supply_probe [gb_power_supply]) from [<bf00024c>] (greybus_probe+0x28/0x64 [greybus])
[   81.276395] [<bf00024c>] (greybus_probe [greybus]) from [<c02ca164>] (driver_probe_device+0x214/0x2c0)
[   81.276402] [<c02ca164>] (driver_probe_device) from [<c02c8578>] (bus_for_each_drv+0x60/0x94)
[   81.276409] [<c02c8578>] (bus_for_each_drv) from [<c02c9e6c>] (__device_attach+0xb0/0x114)
[   81.276416] [<c02c9e6c>] (__device_attach) from [<c02c94a8>] (bus_probe_device+0x84/0x8c)
[   81.276422] [<c02c94a8>] (bus_probe_device) from [<c02c78b8>] (device_add+0x3e8/0x570)
[   81.276432] [<c02c78b8>] (device_add) from [<bf001538>] (gb_bundle_add+0xc/0x30 [greybus])
[   81.276447] [<bf001538>] (gb_bundle_add [greybus]) from [<bf0012dc>] (gb_interface_init+0x11c/0x174 [greybus])
[   81.276462] [<bf0012dc>] (gb_interface_init [greybus]) from [<bf003268>] (gb_svc_process_deferred_request+0x2e4/0x398 [greybus])
[   81.276478] [<bf003268>] (gb_svc_process_deferred_request [greybus]) from [<c0037bb8>] (process_one_work+0x124/0x334)
[   81.276487] [<c0037bb8>] (process_one_work) from [<c0037e00>] (worker_thread+0x38/0x4dc)
[   81.276496] [<c0037e00>] (worker_thread) from [<c003d10c>] (kthread+0xdc/0xf4)
[   81.276504] [<c003d10c>] (kthread) from [<c000f6b8>] (ret_from_fork+0x14/0x3c)