Re: [PATCH RESEND V2 3/4] iio: frequency: adf4350: Add support for clock consumer framework

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On 06/05/2013 06:34 PM, Lars-Peter Clausen wrote:
> On 06/05/2013 05:25 PM, Jonathan Cameron wrote:
>> On 05/06/13 15:25, Lars-Peter Clausen wrote:
>>> On 06/05/2013 09:32 AM, Michael Hennerich wrote:
>>>> On 06/04/2013 07:44 PM, Jonathan Cameron wrote:
>>>>> On 06/03/2013 02:30 PM, michael.hennerich@xxxxxxxxxx wrote:
>>>>>> From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
>>>>>>
>>>>>> Preferably get clkin (PLL reference clock) from clock framework
>>>>>>
>>>>>> Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
>>>>> ERROR: "clk_round_rate" [drivers/iio/frequency/adf4350.ko] undefined!
>>>>> make[1]: *** [__modpost] Error 1
>>>>>
>>>>> on my arm test build. Sorry, I was being lazy before and hadn't done
>>>>> any test builds till I tried merging it.  Backed out the merge of this
>>>>> patch for now.
>>>>>
>>>>> clk.h does say that api is optional for machine classes.  No idea what you
>>>>> want to
>>>>> do about this.
>>>>
>>>> The CLK API is optional in the driver - so I prefer to keep it like that and
>>>> don't make
>>>> the driver depend on COMMON_CLK.
>>>>
>>>> The simplest and probably the best workaround is to guard the CLK Round/Set
>>>> code with
>>>> #if defined(CONFIG_COMMON_CLK).
>>>>
>>>> Thoughts?
>>>>
>>>
>>> This is not a bug in the driver. If the clk API is not implemented it is
>>> stubbed out. It looks as if Jonathan is testing on a platform which
>>> implements the clk API but not clk_round_rate() (None of the other clk_*
>>> symbols are undefined).
>>>
>>> Jonathan on which platform are you testing this?
>> arm specifically pxa27x eabi
>>>
> 
> No clk_round_rate() in arch/arm/mach-pxa/clock.c
Hmm.. Indeed.  So what does one do if one wants to use those functions?


> 
> - Lars
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