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SubjectRe: sysfs: cannot create duplicate filename /bus/i2c/drivers/tps65010
> just FYI: I see the below with the attached randconfig on latest -rc7+
> (output is a bit funny due to keeping earlyprintk on).
>
> [ 0.460026] ------------[ cut here ]------------
> [ 0.462726] WARNING: CPU: 0 PID: 1 at fs/sysfs/dir.c:526 sysfs_add_one+0xa0/0xc0()
> [ 0.464002] sysfs: cannot create duplicate filename '/bus/i2c/drivers/tps65010'
> [ 0.466018] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc7-02023-gf5889fb1b3ba #1
> [ 0.468002] 0000000000000009
> [ 0.468002] 0000000000000009 ffff88007e44fc20 ffff88007e44fc20 ffffffff89cda7e4 ffffffff89cda7e4 ffff88007e44fc58 ffff88007e44fc58
> [ 0.470111] ffffffff89089307
> [ 0.470111] ffffffff89089307 00000000ffffffef 00000000ffffffef ffff88007e52cd20 ffff88007e52cd20 ffff88007e44fd00 ffff88007e44fd00
> [ 0.473348] ffff88007e549000
> [ 0.473348] ffff88007e549000 0000000000000000 0000000000000000 ffff88007e44fcb8 ffff88007e44fcb8 ffffffff890893a7 ffffffff890893a7
> [ 0.475453] Call Trace:
> [ 0.476004] [<ffffffff89cda7e4>] dump_stack+0x19/0x1b
> [ 0.477448] [<ffffffff89089307>] warn_slowpath_common+0x67/0x90
> [ 0.479108] [<ffffffff890893a7>] warn_slowpath_fmt+0x47/0x50
> [ 0.480003] [<ffffffff89198ea0>] sysfs_add_one+0xa0/0xc0
> [ 0.481493] [<ffffffff8919900f>] create_dir+0x6f/0xe0
> [ 0.482910] [<ffffffff89199394>] sysfs_create_dir+0x84/0xe0
> [ 0.484011] [<ffffffff8941dd7f>] kobject_add_internal+0xaf/0x2c0
> [ 0.485690] [<ffffffff8941dff0>] kobject_init_and_add+0x60/0x80
> [ 0.488010] [<ffffffff8943ee2d>] ? __raw_spin_lock_init+0x2d/0x50
> [ 0.489721] [<ffffffff895774ae>] bus_add_driver+0x9e/0x2a0
> [ 0.492017] [<ffffffff8a769b5d>] ? wm831x_spi_init+0x28/0x28
> [ 0.493622] [<ffffffff8957914f>] driver_register+0x5f/0xf0
> [ 0.495160] [<ffffffff8a769b5d>] ? wm831x_spi_init+0x28/0x28
> [ 0.496018] [<ffffffff89845c67>] i2c_register_driver+0x27/0xb0
> [ 0.497650] [<ffffffff8a769b91>] tps_init+0x34/0x79
> [ 0.499041] [<ffffffff8a743df3>] do_one_initcall+0x7c/0x117
> [ 0.500011] [<ffffffff890a62d8>] ? parse_args+0x1f8/0x330
> [ 0.501522] [<ffffffff8a743fa1>] kernel_init_freeable+0x113/0x198
> [ 0.504002] [<ffffffff8a74382f>] ? do_early_param+0x88/0x88
> [ 0.505587] [<ffffffff89cc9990>] ? rest_init+0x130/0x130
> [ 0.507079] [<ffffffff89cc9999>] kernel_init+0x9/0x180
> [ 0.508004] [<ffffffff89ced98a>] ret_from_fork+0x7a/0xb0
> [ 0.509496] [<ffffffff89cc9990>] ? rest_init+0x130/0x130
> [ 0.512011] ---[ end trace 70292a51052b5aeb ]---

Is this an MFD issue?

It looks more like an SPI/I2C one?

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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