Re: OF: ERROR: Bad of_node_put() on /ocp/interconnect@4a000000/segment@0/target-module@8000/cm_core@0/l4per-cm@1700/l4per-clkctrl@28

[Tero Kristo]

On 17/04/2020 18:29, Tony Lindgren wrote:
> * Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> [200327 16:44]:
> > The reported problem still happening on arm beagle board x15 device
> > running Linux next kernel 20200327.
> ...
>
> > [    0.000000] OF: ERROR: Bad of_node_put() on
> > /ocp/interconnect@4a000000/segment@0/target-module@8000/cm_core@0/l4per-cm@1700/l4per-clkctrl@28
> > [    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W
> >    5.6.0-rc7-next-20200327 #1
> > [    0.000000] Hardware name: Generic DRA74X (Flattened Device Tree)
> > [    0.000000] [<c0311810>] (unwind_backtrace) from [<c030ba14>]
> > (show_stack+0x10/0x14)
> > [    0.000000] [<c030ba14>] (show_stack) from [<c0fb6604>]
> > (dump_stack+0xbc/0xd0)
> > [    0.000000] [<c0fb6604>] (dump_stack) from [<c0fbb07c>]
> > (kobject_put+0xc0/0x104)
> > [    0.000000] [<c0fbb07c>] (kobject_put) from [<c1639e4c>]
> > (of_clk_init+0x18c/0x228)
> > [    0.000000] [<c1639e4c>] (of_clk_init) from [<c1611544>]
> > (omap_clk_init+0x3c/0x58)
> > [    0.000000] [<c1611544>] (omap_clk_init) from [<c1611ea8>]
> > (omap4_sync32k_timer_init+0x8/0x2c)
> > [    0.000000] [<c1611ea8>] (omap4_sync32k_timer_init) from
> > [<c161213c>] (omap5_realtime_timer_init+0x8/0x234)
> > [    0.000000] [<c161213c>] (omap5_realtime_timer_init) from
> > [<c1600c88>] (start_kernel+0x330/0x4b8)
>
> Just FYI, Tero is looking at the clock issues that seem to be
> causing these warnings.

Haven't seen this before, but easily reproducible with 
multi_v7_defconfig. I have a simple fix for it now, will post to lists soon.

-Tero
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