[PATCH v2 0/6] Migrate PXA27x platforms to clock framework

Haojian Zhuang haojian.zhuang at gmail.com
Mon Jul 28 18:25:11 PDT 2014


On Sat, Jul 26, 2014 at 4:52 PM, Robert Jarzmik <robert.jarzmik at free.fr> wrote:
> Mike Turquette <mturquette at linaro.org> writes:
>
>> Quoting Robert Jarzmik (2014-07-21 11:23:51)
>>> Robert Jarzmik <robert.jarzmik at free.fr> writes:
>>>
>>> > This is the second opus of this serie.
>>>
>>> Ping ?
>>
>> Hi Robert,
>>
>> Overall the series looks good to me. The only problem I see is that
>> somewhere in the use of the PARENTS() macro there is a section mismatch
>> introduced. I spent about 5 minutes looking at it and gave up. This
>> problem introduces 26 section mismatch warnings building
>> colibri_pxa270_defconfig.
> OK Mike, I'll fix this. This is probably because pxa27x_clocks array is not
> __init, and it references parents which are __init. I was lazy letting
> pxa27x_clocks not __init because I reuse the internal fields "hw" and "gate->hw"
> later (hence I didn't leave the __init).
> This is a bit dirty and I'll launder it.
>
> Moreover, I have one fix which I had fixed wrt boot ordering : the
> postcore_init() must die. The reason behind is that I have no guarantee of
> ordering between clocks init and clocksource init, and clocksource relies on
> clocks.
>
> The right way will be AFAIK to call the core clocks init :
>  - within the device-tree initialization function : pxa27x_dt_clocks_init()
>  calls pxa27x_clocks_init9)
>  - directly from pxa27x_init() or pxa_timer_init() in non-device tree setup
>
>> Once those are fixed up then I will be happy to take this series. Do you
>> want me to take all six patches through the clk tree, including the
>> arm/arm stuff?
> I would feel more comfortable if :
>  - you take the 4 first ones (3 clock ones + 1 arm pxa header bit definitions)
>  - Haojian takes the last 2 ones (pxa ones)
>
I prefer that all these patches could go through clock tree. I just
want to avoid
build issue.

Acked-by: Haojian Zhuang <haojian.zhuang at gmail.com>

Regards
Haojian



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