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Date: Wed, 23 Apr 2014 11:40:33 -0500
From: Felipe Balbi <balbi@...com>
To: Chanwoo Choi <cwchoi00@...il.com>
CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
Tony Lindgren <tony@...mide.com>,
Kishon Vijay Abraham I <kishon@...com>
Subject: extcon-next regression ?
Hi Chanwoo,
I've been testing extcon-next to make sure USB3 on OMAP5 will work out
of the box but I see a regression when I merge your tree on top of
v3.15-rc2 + Tony's DT fixes.
Here's what I see (trimmed):
[ 1.805870] palmas 0-0048: Muxing GPIO 2, PWM 0, LED 0
[ 1.812516] ------------[ cut here ]------------
[ 1.817387] WARNING: CPU: 0 PID: 6 at include/linux/kref.h:47 kobject_get+0x64/0x78()
[ 1.817691] mmcblk0boot1: unknown partition table
[ 1.830601] Modules linked in:
[ 1.833827] CPU: 0 PID: 6 Comm: kworker/u4:0 Tainted: G W 3.15.0-rc2-00041-g3019b77 #308
[ 1.843333] Workqueue: deferwq deferred_probe_work_func
[ 1.848728] mmcblk0boot0: unknown partition table
[ 1.853928] [<c0015110>] (unwind_backtrace) from [<c0011d6c>] (show_stack+0x10/0x14)
[ 1.862086] [<c0011d6c>] (show_stack) from [<c05426b4>] (dump_stack+0x84/0x9c)
[ 1.869667] [<c05426b4>] (dump_stack) from [<c0040928>] (warn_slowpath_common+0x6c/0x90)
[ 1.878181] [<c0040928>] (warn_slowpath_common) from [<c00409e8>] (warn_slowpath_null+0x1c/0x24)
[ 1.887421] [<c00409e8>] (warn_slowpath_null) from [<c02d50c4>] (kobject_get+0x64/0x78)
[ 1.895837] [<c02d50c4>] (kobject_get) from [<c0350188>] (device_add+0x18/0x520)
[ 1.903629] [<c0350188>] (device_add) from [<c0462a5c>] (extcon_dev_register+0x48/0x104)
[ 1.912145] [<c0462a5c>] (extcon_dev_register) from [<c0462b44>] (devm_extcon_dev_register+0x2c/0x68)
[ 1.921847] [<c0462b44>] (devm_extcon_dev_register) from [<c04630c0>] (palmas_usb_probe+0x110/0x304)
[ 1.931453] [<c04630c0>] (palmas_usb_probe) from [<c0354284>] (platform_drv_probe+0x18/0x48)
[ 1.940333] [<c0354284>] (platform_drv_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 1.949664] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 1.958634] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 1.967003] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 1.975387] [<c035206c>] (bus_probe_device) from [<c0350590>] (device_add+0x420/0x520)
[ 1.983678] [<c0350590>] (device_add) from [<c045a310>] (of_platform_device_create_pdata+0x6c/0x8c)
[ 1.993155] [<c045a310>] (of_platform_device_create_pdata) from [<c045a418>] (of_platform_bus_create+0xdc/0x168)
[ 2.003818] [<c045a418>] (of_platform_bus_create) from [<c045a5cc>] (of_platform_populate+0x5c/0xa0)
[ 2.013399] [<c045a5cc>] (of_platform_populate) from [<c0373c78>] (palmas_i2c_probe+0x30c/0x584)
[ 2.022606] [<c0373c78>] (palmas_i2c_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 2.031722] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 2.040715] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 2.049098] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 2.057482] [<c035206c>] (bus_probe_device) from [<c0350590>] (device_add+0x420/0x520)
[ 2.065774] [<c0350590>] (device_add) from [<c0424020>] (i2c_new_device+0x12c/0x18c)
[ 2.073885] [<c0424020>] (i2c_new_device) from [<c0424980>] (i2c_register_adapter+0x278/0x498)
[ 2.082903] [<c0424980>] (i2c_register_adapter) from [<c04275c0>] (omap_i2c_probe+0x4a4/0x6d0)
[ 2.091925] [<c04275c0>] (omap_i2c_probe) from [<c0354284>] (platform_drv_probe+0x18/0x48)
[ 2.100582] [<c0354284>] (platform_drv_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 2.109883] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 2.118823] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 2.127194] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 2.135584] [<c035206c>] (bus_probe_device) from [<c03524ac>] (deferred_probe_work_func+0x64/0x94)
[ 2.144975] [<c03524ac>] (deferred_probe_work_func) from [<c0058c70>] (process_one_work+0x1ac/0x4cc)
[ 2.154545] [<c0058c70>] (process_one_work) from [<c0059b10>] (worker_thread+0x114/0x3b4)
[ 2.163119] [<c0059b10>] (worker_thread) from [<c005f6f0>] (kthread+0xd4/0xf0)
[ 2.170695] [<c005f6f0>] (kthread) from [<c000e3c8>] (ret_from_fork+0x14/0x2c)
[ 2.178259] ---[ end trace 3006de6450234d28 ]---
[ 2.183081] kobject 'palmas_usb' (eca58c38): tried to add an uninitialized object, something is seriously wrong.
[ 2.193731] CPU: 0 PID: 6 Comm: kworker/u4:0 Tainted: G W 3.15.0-rc2-00041-g3019b77 #308
[ 2.203201] Workqueue: deferwq deferred_probe_work_func
[ 2.208687] [<c0015110>] (unwind_backtrace) from [<c0011d6c>] (show_stack+0x10/0x14)
[ 2.216789] [<c0011d6c>] (show_stack) from [<c05426b4>] (dump_stack+0x84/0x9c)
[ 2.224357] [<c05426b4>] (dump_stack) from [<c02d5c28>] (kobject_add+0x88/0x98)
[ 2.232014] [<c02d5c28>] (kobject_add) from [<c0350250>] (device_add+0xe0/0x520)
[ 2.239758] [<c0350250>] (device_add) from [<c0462a5c>] (extcon_dev_register+0x48/0x104)
[ 2.248235] [<c0462a5c>] (extcon_dev_register) from [<c0462b44>] (devm_extcon_dev_register+0x2c/0x68)
[ 2.257901] [<c0462b44>] (devm_extcon_dev_register) from [<c04630c0>] (palmas_usb_probe+0x110/0x304)
[ 2.267467] [<c04630c0>] (palmas_usb_probe) from [<c0354284>] (platform_drv_probe+0x18/0x48)
[ 2.276298] [<c0354284>] (platform_drv_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 2.285591] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 2.294520] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 2.302905] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 2.311286] [<c035206c>] (bus_probe_device) from [<c0350590>] (device_add+0x420/0x520)
[ 2.319583] [<c0350590>] (device_add) from [<c045a310>] (of_platform_device_create_pdata+0x6c/0x8c)
[ 2.329063] [<c045a310>] (of_platform_device_create_pdata) from [<c045a418>] (of_platform_bus_create+0xdc/0x168)
[ 2.339725] [<c045a418>] (of_platform_bus_create) from [<c045a5cc>] (of_platform_populate+0x5c/0xa0)
[ 2.349296] [<c045a5cc>] (of_platform_populate) from [<c0373c78>] (palmas_i2c_probe+0x30c/0x584)
[ 2.358496] [<c0373c78>] (palmas_i2c_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 2.367609] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 2.376523] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 2.384914] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 2.393301] [<c035206c>] (bus_probe_device) from [<c0350590>] (device_add+0x420/0x520)
[ 2.401601] [<c0350590>] (device_add) from [<c0424020>] (i2c_new_device+0x12c/0x18c)
[ 2.409707] [<c0424020>] (i2c_new_device) from [<c0424980>] (i2c_register_adapter+0x278/0x498)
[ 2.418727] [<c0424980>] (i2c_register_adapter) from [<c04275c0>] (omap_i2c_probe+0x4a4/0x6d0)
[ 2.427741] [<c04275c0>] (omap_i2c_probe) from [<c0354284>] (platform_drv_probe+0x18/0x48)
[ 2.436382] [<c0354284>] (platform_drv_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 2.445680] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 2.454613] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 2.463001] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 2.471385] [<c035206c>] (bus_probe_device) from [<c03524ac>] (deferred_probe_work_func+0x64/0x94)
[ 2.480772] [<c03524ac>] (deferred_probe_work_func) from [<c0058c70>] (process_one_work+0x1ac/0x4cc)
[ 2.490339] [<c0058c70>] (process_one_work) from [<c0059b10>] (worker_thread+0x114/0x3b4)
[ 2.498906] [<c0059b10>] (worker_thread) from [<c005f6f0>] (kthread+0xd4/0xf0)
[ 2.506460] [<c005f6f0>] (kthread) from [<c000e3c8>] (ret_from_fork+0x14/0x2c)
[ 2.514023] ------------[ cut here ]------------
[ 2.518870] WARNING: CPU: 0 PID: 6 at lib/kobject.c:670 kobject_put+0x80/0x90()
[ 2.526514] kobject: 'palmas_usb' (eca58c38): is not initialized, yet kobject_put() is being called.
[ 2.536076] Modules linked in:
[ 2.539287] CPU: 0 PID: 6 Comm: kworker/u4:0 Tainted: G W 3.15.0-rc2-00041-g3019b77 #308
[ 2.548753] Workqueue: deferwq deferred_probe_work_func
[ 2.554223] [<c0015110>] (unwind_backtrace) from [<c0011d6c>] (show_stack+0x10/0x14)
[ 2.562341] [<c0011d6c>] (show_stack) from [<c05426b4>] (dump_stack+0x84/0x9c)
[ 2.569911] [<c05426b4>] (dump_stack) from [<c0040928>] (warn_slowpath_common+0x6c/0x90)
[ 2.578391] [<c0040928>] (warn_slowpath_common) from [<c004097c>] (warn_slowpath_fmt+0x30/0x40)
[ 2.587502] [<c004097c>] (warn_slowpath_fmt) from [<c02d5158>] (kobject_put+0x80/0x90)
[ 2.595780] [<c02d5158>] (kobject_put) from [<c03502fc>] (device_add+0x18c/0x520)
[ 2.603623] [<c03502fc>] (device_add) from [<c0462a5c>] (extcon_dev_register+0x48/0x104)
[ 2.612103] [<c0462a5c>] (extcon_dev_register) from [<c0462b44>] (devm_extcon_dev_register+0x2c/0x68)
[ 2.621762] [<c0462b44>] (devm_extcon_dev_register) from [<c04630c0>] (palmas_usb_probe+0x110/0x304)
[ 2.631321] [<c04630c0>] (palmas_usb_probe) from [<c0354284>] (platform_drv_probe+0x18/0x48)
[ 2.640161] [<c0354284>] (platform_drv_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 2.649447] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 2.658386] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 2.666757] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 2.675144] [<c035206c>] (bus_probe_device) from [<c0350590>] (device_add+0x420/0x520)
[ 2.683441] [<c0350590>] (device_add) from [<c045a310>] (of_platform_device_create_pdata+0x6c/0x8c)
[ 2.692921] [<c045a310>] (of_platform_device_create_pdata) from [<c045a418>] (of_platform_bus_create+0xdc/0x168)
[ 2.703575] [<c045a418>] (of_platform_bus_create) from [<c045a5cc>] (of_platform_populate+0x5c/0xa0)
[ 2.713139] [<c045a5cc>] (of_platform_populate) from [<c0373c78>] (palmas_i2c_probe+0x30c/0x584)
[ 2.722341] [<c0373c78>] (palmas_i2c_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 2.731457] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 2.740380] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 2.748764] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 2.757135] [<c035206c>] (bus_probe_device) from [<c0350590>] (device_add+0x420/0x520)
[ 2.765429] [<c0350590>] (device_add) from [<c0424020>] (i2c_new_device+0x12c/0x18c)
[ 2.773549] [<c0424020>] (i2c_new_device) from [<c0424980>] (i2c_register_adapter+0x278/0x498)
[ 2.782576] [<c0424980>] (i2c_register_adapter) from [<c04275c0>] (omap_i2c_probe+0x4a4/0x6d0)
[ 2.791597] [<c04275c0>] (omap_i2c_probe) from [<c0354284>] (platform_drv_probe+0x18/0x48)
[ 2.800261] [<c0354284>] (platform_drv_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 2.809560] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 2.818489] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 2.826865] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 2.835253] [<c035206c>] (bus_probe_device) from [<c03524ac>] (deferred_probe_work_func+0x64/0x94)
[ 2.844637] [<c03524ac>] (deferred_probe_work_func) from [<c0058c70>] (process_one_work+0x1ac/0x4cc)
[ 2.854205] [<c0058c70>] (process_one_work) from [<c0059b10>] (worker_thread+0x114/0x3b4)
[ 2.862778] [<c0059b10>] (worker_thread) from [<c005f6f0>] (kthread+0xd4/0xf0)
[ 2.870349] [<c005f6f0>] (kthread) from [<c000e3c8>] (ret_from_fork+0x14/0x2c)
[ 2.877911] ---[ end trace 3006de6450234d29 ]---
[ 2.882734] ------------[ cut here ]------------
[ 2.887573] WARNING: CPU: 0 PID: 6 at lib/kobject.c:670 kobject_put+0x80/0x90()
[ 2.895209] kobject: 'palmas_usb' (eca58c38): is not initialized, yet kobject_put() is being called.
[ 2.904765] Modules linked in:
[ 2.907971] CPU: 0 PID: 6 Comm: kworker/u4:0 Tainted: G W 3.15.0-rc2-00041-g3019b77 #308
[ 2.917447] Workqueue: deferwq deferred_probe_work_func
[ 2.922924] [<c0015110>] (unwind_backtrace) from [<c0011d6c>] (show_stack+0x10/0x14)
[ 2.931033] [<c0011d6c>] (show_stack) from [<c05426b4>] (dump_stack+0x84/0x9c)
[ 2.938606] [<c05426b4>] (dump_stack) from [<c0040928>] (warn_slowpath_common+0x6c/0x90)
[ 2.947069] [<c0040928>] (warn_slowpath_common) from [<c004097c>] (warn_slowpath_fmt+0x30/0x40)
[ 2.956187] [<c004097c>] (warn_slowpath_fmt) from [<c02d5158>] (kobject_put+0x80/0x90)
[ 2.964483] [<c02d5158>] (kobject_put) from [<c0462abc>] (extcon_dev_register+0xa8/0x104)
[ 2.973053] [<c0462abc>] (extcon_dev_register) from [<c0462b44>] (devm_extcon_dev_register+0x2c/0x68)
[ 2.982718] [<c0462b44>] (devm_extcon_dev_register) from [<c04630c0>] (palmas_usb_probe+0x110/0x304)
[ 2.992285] [<c04630c0>] (palmas_usb_probe) from [<c0354284>] (platform_drv_probe+0x18/0x48)
[ 3.001124] [<c0354284>] (platform_drv_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 3.010423] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 3.019358] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 3.027746] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 3.036121] [<c035206c>] (bus_probe_device) from [<c0350590>] (device_add+0x420/0x520)
[ 3.044418] [<c0350590>] (device_add) from [<c045a310>] (of_platform_device_create_pdata+0x6c/0x8c)
[ 3.053893] [<c045a310>] (of_platform_device_create_pdata) from [<c045a418>] (of_platform_bus_create+0xdc/0x168)
[ 3.064550] [<c045a418>] (of_platform_bus_create) from [<c045a5cc>] (of_platform_populate+0x5c/0xa0)
[ 3.074124] [<c045a5cc>] (of_platform_populate) from [<c0373c78>] (palmas_i2c_probe+0x30c/0x584)
[ 3.083338] [<c0373c78>] (palmas_i2c_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 3.092447] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 3.101381] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 3.109767] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 3.118147] [<c035206c>] (bus_probe_device) from [<c0350590>] (device_add+0x420/0x520)
[ 3.126432] [<c0350590>] (device_add) from [<c0424020>] (i2c_new_device+0x12c/0x18c)
[ 3.134547] [<c0424020>] (i2c_new_device) from [<c0424980>] (i2c_register_adapter+0x278/0x498)
[ 3.143569] [<c0424980>] (i2c_register_adapter) from [<c04275c0>] (omap_i2c_probe+0x4a4/0x6d0)
[ 3.152593] [<c04275c0>] (omap_i2c_probe) from [<c0354284>] (platform_drv_probe+0x18/0x48)
[ 3.161249] [<c0354284>] (platform_drv_probe) from [<c0352b0c>] (driver_probe_device+0x110/0x22c)
[ 3.170537] [<c0352b0c>] (driver_probe_device) from [<c03511a0>] (bus_for_each_drv+0x58/0x8c)
[ 3.179472] [<c03511a0>] (bus_for_each_drv) from [<c03529c8>] (device_attach+0x74/0x8c)
[ 3.187854] [<c03529c8>] (device_attach) from [<c035206c>] (bus_probe_device+0x88/0xb0)
[ 3.196222] [<c035206c>] (bus_probe_device) from [<c03524ac>] (deferred_probe_work_func+0x64/0x94)
[ 3.205611] [<c03524ac>] (deferred_probe_work_func) from [<c0058c70>] (process_one_work+0x1ac/0x4cc)
[ 3.215174] [<c0058c70>] (process_one_work) from [<c0059b10>] (worker_thread+0x114/0x3b4)
[ 3.223739] [<c0059b10>] (worker_thread) from [<c005f6f0>] (kthread+0xd4/0xf0)
[ 3.231313] [<c005f6f0>] (kthread) from [<c000e3c8>] (ret_from_fork+0x14/0x2c)
[ 3.238883] ---[ end trace 3006de6450234d2a ]---
[ 3.243711] palmas-usb palmas_usb.7: failed to register extcon device
[ 3.250493] palmas-usb: probe of palmas_usb.7 failed with error -22
Any ideas ??
--
balbi
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