linux-kernel - Re: [PATCH v9 07/27] ARM: davinci: dm355: add new clock init using common clock framework

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Date:   Fri, 4 May 2018 09:26:02 -0500
From:   David Lechner <david@...hnology.com>
To:     Sekhar Nori <nsekhar@...com>, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kevin Hilman <khilman@...nel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Adam Ford <aford173@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 07/27] ARM: davinci: dm355: add new clock init using
 common clock framework

On 05/04/2018 05:01 AM, Sekhar Nori wrote:
> On Thursday 03 May 2018 09:14 PM, David Lechner wrote:
>> On 05/03/2018 10:34 AM, Sekhar Nori wrote:
>>> On Friday 27 April 2018 05:47 AM, David Lechner wrote:
>>>> This adds the new board-specific clock init in mach-davinci/dm355.c
>>>> using the new common clock framework drivers.
>>>>
>>>> The #ifdefs are needed to prevent compile errors until the entire
>>>> ARCH_DAVINCI is converted.
>>>>
>>>> Also clean up the #includes since we are adding some here.
>>>>
>>>> Signed-off-by: David Lechner <david@...hnology.com>
>>>
>>> I am having trouble booting DM355 EVM with the series applied.
>>> Still to debug what is going wrong.
>>
>> Can you dump the PLL registers using /sys/kernel/debug/clk/... ?
> 
> I was able to get to ramdisk shell if I set clk_ignore_unused. Here is
> the dump:
> 

...

> I didn't have time today to analyze these myself. Hope it helps.
> 

I just sent out a patch to fix this: "clk: davinci: pll-dm355: fix
SYSCLKn parent names".