[Letux-kernel] modprobe twl4030_* hangs
H. Nikolaus Schaller
hns at goldelico.com
Thu Feb 11 12:18:42 CET 2016
Am 11.02.2016 um 12:13 schrieb H. Nikolaus Schaller <hns at goldelico.com>:
> Hi,
> I have found a strange thing in my latest 4.5-rc3.
>
> root at letux:~# modprobe twl4030_madc_battery
> root at letux:~# modprobe twl4030_pwrbutton
> ^C
> root at letux:~# modprobe twl4030_vibra
> root at letux:~# modprobe twl4030_charger
> ^C
> root at letux:~# modprobe twl4030_madc
> root at letux:~# modprobe phy_twl4030_usb
> ^C
> root at letux:~#
>
> Some twl4030 related modules can't be modprobed and simply hang.
> Some others work.
>
> The total effect is that the kernel needs ~200 seconds to boot.
>
> And I have the same on the OMAP5 (where the twl4030 modules
> are not loaded/needed at all).
Well, there it is the bq2429x driver. And the common part is that both
create charger nodes, registered by power_supply_register().
What is even more strange is that they show up in lsmod. But a
second modprobe -v reports that it tries another insmod:
root at letux:~# lsmod | fgrep bq24
bq2429x_charger 13916 1
root at letux:~# modprobe -v bq2429x_charger
insmod /lib/modules/4.5.0-rc3-letux+/kernel/drivers/power/bq2429x_charger.ko
^C
root at letux:~#
>
> Maybe I have introduced a bug in my latest (not yet pushed) patches.
>
> So please can you check if you see the same?
>
> BR,
> Nikolaus
>
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