From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: mx28evk: kernel dump on sgtl5000 probe
Date: Wed, 4 Jul 2012 06:36:02 +0200 [thread overview]
Message-ID: <201207040636.02772.marex@denx.de> (raw)
In-Reply-To: <CAOMZO5BD_FcXVU18PauOFudod5FKd9MP-ZNUDJ4F9iQ6+EAjiA@mail.gmail.com>
Dear Fabio Estevam,
> Hi,
>
> Running linux-next on a mx28evk I get the following:
>
> [ 0.930000] ------------[ cut here ]------------
> [ 0.940000] WARNING: at fs/sysfs/dir.c:526 sysfs_add_one+0x90/0xc0()
> [ 0.940000] sysfs: cannot create duplicate filename
> '/devices/platform/reg-fixed-voltage/regulator/regulator.1/0-000a-VDDA'
> [ 0.950000] Modules linked in:
> [ 0.960000] [<c0014930>] (unwind_backtrace+0x0/0xf4) from
> [<c001c054>] (warn_slowpath_common+0x4c/0x64)
> [ 0.970000] [<c001c054>] (warn_slowpath_common+0x4c/0x64) from
> [<c001c100>] (warn_slowpath_fmt+0x30/0x40)
> [ 0.980000] [<c001c100>] (warn_slowpath_fmt+0x30/0x40) from
> [<c0123b04>] (sysfs_add_one+0x90/0xc0)
> [ 0.990000] [<c0123b04>] (sysfs_add_one+0x90/0xc0) from
> [<c0124d10>] (sysfs_do_create_link+0x128/0x224)
> [ 1.000000] [<c0124d10>] (sysfs_do_create_link+0x128/0x224) from
> [<c01c4f60>] (create_regulator+0xbc/0x254)
> [ 1.010000] [<c01c4f60>] (create_regulator+0xbc/0x254) from
> [<c01c6758>] (_regulator_get+0x9c/0x138)
> [ 1.020000] [<c01c6758>] (_regulator_get+0x9c/0x138) from
> [<c01c684c>] (regulator_bulk_get+0x48/0xc0)
> [ 1.020000] [<c01c684c>] (regulator_bulk_get+0x48/0xc0) from
> [<c0250f70>] (sgtl5000_replace_vddd_with_ldo+0xf8/0x1cc)
> [ 1.040000] [<c0250f70>]
> (sgtl5000_replace_vddd_with_ldo+0xf8/0x1cc) from [<c02510c0>]
> (sgtl5000_probe+0x7c/0x4dc)
> [ 1.050000] [<c02510c0>] (sgtl5000_probe+0x7c/0x4dc) from
> [<c0244c04>] (soc_probe_codec+0x180/0x290)
> [ 1.060000] [<c0244c04>] (soc_probe_codec+0x180/0x290) from
> [<c02454ec>] (snd_soc_register_card+0x7d8/0x1348)
> [ 1.070000] [<c02454ec>] (snd_soc_register_card+0x7d8/0x1348) from
> [<c02f141c>] (mxs_sgtl5000_probe+0xf8/0x138)
> [ 1.080000] [<c02f141c>] (mxs_sgtl5000_probe+0xf8/0x138) from
> [<c01eb4fc>] (platform_drv_probe+0x14/0x18)
> [ 1.090000] [<c01eb4fc>] (platform_drv_probe+0x14/0x18) from
> [<c01ea1d4>] (driver_probe_device+0x80/0x214)
> [ 1.100000] [<c01ea1d4>] (driver_probe_device+0x80/0x214) from
> [<c01ea3fc>] (__driver_attach+0x94/0x98)
> [ 1.110000] [<c01ea3fc>] (__driver_attach+0x94/0x98) from
> [<c01e8afc>] (bus_for_each_dev+0x64/0x8c)
> [ 1.110000] [<c01e8afc>] (bus_for_each_dev+0x64/0x8c) from
> [<c01e9364>] (bus_add_driver+0x194/0x270)
> [ 1.120000] [<c01e9364>] (bus_add_driver+0x194/0x270) from
> [<c01ea9dc>] (driver_register+0x78/0x12c)
> [ 1.130000] [<c01ea9dc>] (driver_register+0x78/0x12c) from
> [<c000874c>] (do_one_initcall+0x30/0x17c)
> [ 1.140000] [<c000874c>] (do_one_initcall+0x30/0x17c) from
> [<c0413314>] (kernel_init+0xe8/0x1b4)
> [ 1.150000] [<c0413314>] (kernel_init+0xe8/0x1b4) from [<c001012c>]
> (kernel_thread_exit+0x0/0x8)
> [ 1.160000] ---[ end trace 71dcd8a3218c5e53 ]---
> [ 1.170000] 3V3: could not add device link 0-000a err -17
> [ 1.180000] ------------[ cut here ]------------
> [ 1.180000] WARNING: at fs/sysfs/dir.c:526 sysfs_add_one+0x90/0xc0()
> [ 1.190000] sysfs: cannot create duplicate filename
> '/devices/platform/reg-fixed-voltage/regulator/regulator.1/0-000a-VDDIO'
> [ 1.200000] Modules linked in:
> [ 1.210000] [<c0014930>] (unwind_backtrace+0x0/0xf4) from
> [<c001c054>] (warn_slowpath_common+0x4c/0x64)
> [ 1.210000] [<c001c054>] (warn_slowpath_common+0x4c/0x64) from
> [<c001c100>] (warn_slowpath_fmt+0x30/0x40)
> [ 1.220000] [<c001c100>] (warn_slowpath_fmt+0x30/0x40) from
> [<c0123b04>] (sysfs_add_one+0x90/0xc0)
> [ 1.230000] [<c0123b04>] (sysfs_add_one+0x90/0xc0) from
> [<c0124d10>] (sysfs_do_create_link+0x128/0x224)
> [ 1.240000] [<c0124d10>] (sysfs_do_create_link+0x128/0x224) from
> [<c01c4f60>] (create_regulator+0xbc/0x254)
> [ 1.250000] [<c01c4f60>] (create_regulator+0xbc/0x254) from
> [<c01c6758>] (_regulator_get+0x9c/0x138)
> [ 1.260000] [<c01c6758>] (_regulator_get+0x9c/0x138) from
> [<c01c684c>] (regulator_bulk_get+0x48/0xc0)
> [ 1.270000] [<c01c684c>] (regulator_bulk_get+0x48/0xc0) from
> [<c0250f70>] (sgtl5000_replace_vddd_with_ldo+0xf8/0x1cc)
> [ 1.280000] [<c0250f70>]
> (sgtl5000_replace_vddd_with_ldo+0xf8/0x1cc) from [<c02510c0>]
> (sgtl5000_probe+0x7c/0x4dc)
> [ 1.290000] [<c02510c0>] (sgtl5000_probe+0x7c/0x4dc) from
> [<c0244c04>] (soc_probe_codec+0x180/0x290)
> [ 1.300000] [<c0244c04>] (soc_probe_codec+0x180/0x290) from
> [<c02454ec>] (snd_soc_register_card+0x7d8/0x1348)
> [ 1.310000] [<c02454ec>] (snd_soc_register_card+0x7d8/0x1348) from
> [<c02f141c>] (mxs_sgtl5000_probe+0xf8/0x138)
> [ 1.320000] [<c02f141c>] (mxs_sgtl5000_probe+0xf8/0x138) from
> [<c01eb4fc>] (platform_drv_probe+0x14/0x18)
> [ 1.330000] [<c01eb4fc>] (platform_drv_probe+0x14/0x18) from
> [<c01ea1d4>] (driver_probe_device+0x80/0x214)
> [ 1.340000] [<c01ea1d4>] (driver_probe_device+0x80/0x214) from
> [<c01ea3fc>] (__driver_attach+0x94/0x98)
> [ 1.350000] [<c01ea3fc>] (__driver_attach+0x94/0x98) from
> [<c01e8afc>] (bus_for_each_dev+0x64/0x8c)
> [ 1.360000] [<c01e8afc>] (bus_for_each_dev+0x64/0x8c) from
> [<c01e9364>] (bus_add_driver+0x194/0x270)
> [ 1.370000] [<c01e9364>] (bus_add_driver+0x194/0x270) from
> [<c01ea9dc>] (driver_register+0x78/0x12c)
> [ 1.380000] [<c01ea9dc>] (driver_register+0x78/0x12c) from
> [<c000874c>] (do_one_initcall+0x30/0x17c)
> [ 1.390000] [<c000874c>] (do_one_initcall+0x30/0x17c) from
> [<c0413314>] (kernel_init+0xe8/0x1b4)
> [ 1.400000] [<c0413314>] (kernel_init+0xe8/0x1b4) from [<c001012c>]
> (kernel_thread_exit+0x0/0x8)
> [ 1.410000] ---[ end trace 71dcd8a3218c5e54 ]---
> [ 1.410000] 3V3: could not add device link 0-000a err -17
>
> I haven't started debugging this yet, but just would like to check if
> it is a known issue.
Confirmed on m28evk
>
> Regards,
>
> Fabio Estevam
Best regards,
Marek Vasut
next prev parent reply other threads:[~2012-07-04 4:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-04 3:53 mx28evk: kernel dump on sgtl5000 probe Fabio Estevam
2012-07-04 4:36 ` Marek Vasut [this message]
2012-07-05 6:19 ` [PATCH] regulator: core: remove sysfs entry properly in regulator_put Shawn Guo
2012-07-05 8:28 ` Dong Aisheng
2012-07-05 12:15 ` Mark Brown
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