[PATCHv4 05/33] CLK: omap: add DT duplicate clock registration mechanism
Tero Kristo
t-kristo at ti.com
Thu Aug 1 11:30:26 EDT 2013
On 08/01/2013 06:24 PM, Nishanth Menon wrote:
> On 08/01/2013 10:18 AM, Tero Kristo wrote:
>> On 08/01/2013 05:25 PM, Nishanth Menon wrote:
>>> On 07/31/2013 05:07 AM, Tero Kristo wrote:
>>>> On 07/30/2013 09:40 PM, Nishanth Menon wrote:
>>>>> On 07/23/2013 02:20 AM, Tero Kristo wrote:
> [..]
>>> if we can get rid of usage of omap_hwmod_get_main_clk by catching them
>>> with [1], then we can force the drivers to pick up based on device node
>>> clocks= property.
>>>
>>> It might be easier to fix 1 driver - timer, rather than introduce am33x,
>>> omap4, omap5 dra7 specific "SoC clk driver".
>>>
>>> with that this entire patch becomes redundant.
>>
>> It is not that simple. Looking at the architectures this set supports, I
>> see clock alias nodes at least for following drivers:
>>
>> - GPT timer
>> - USB
>> - DCAN
>> - EMAC
>> - VPFE
>> - UART
>> - SSI
>> - DSS
>> - security
>> - MMC
>> - MCBSP
>> - MCSPI
>>
>> I am _not_ going to fix all of these during the initial phase. :P
>>
>> But yes, eventually these should go away.
>
> How many of these are needed to boot? what functionality do we expect
> with the series -> we can constraint saying that remaining drivers
> should fix themselves the right way, else dont have the feature -
> example cpufreq- fix it the right way, or wont see the feature enabled.
>
> introducing a "way out" for all of these just invites more guys to screw
> around claiming "it was done before - see here"..
>
> lets just fix the darned basic ones, refuse to provide "way out" and let
> the others fix themselves.
>
Yea, that would be one way. I guess someone like Tony should comment on
this.
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