Re: [PATCH v6 00/41] ARM: davinci: convert to common clock frameworkâ

From: Bartosz Golaszewski
Date: Tue Jan 23 2018 - 13:10:52 EST


2018-01-23 18:03 GMT+01:00 Adam Ford <aford173@xxxxxxxxx>:
> On Tue, Jan 23, 2018 at 10:06 AM, David Lechner <david@xxxxxxxxxxxxxx> wrote:
>> On 01/23/2018 10:03 AM, David Lechner wrote:
>>>
>>> You can see if the clock is enabled by running:
>>>
>>> cat /sys/kernel/debug/clk/clk_summary
>>>
>>
>> I just realized if you can't boot, you can't do this. :-/
>
> I can boot with the latest set in your git repo, but the Ethernet
> doesn't apparently fully operate. I don't get errors, but I cannot
> get a dhcp address.
>
> I'll try to do a more exhaustive test later today to get an idea of
> what works and what doesn't. When I ran my basic tests, I just did a
> feel-good boot test (and reboot test)
>
> adam

FYI: manually calling clk_prepare_enable() in the davinci_mdio driver
seems to at least fix the ethernet. In master branch it's done by
pm_runtime_get_sync() (in davinci_mdio_reset()). However I'm still
getting several oopses and WARNs so there's some more work to do.

Thanks,
Bartosz