Re: [GIT PULL] Generic PWM Device API

From: Jonathan Cameron
Date: Mon Feb 28 2011 - 07:17:42 EST


On 02/28/11 11:28, Jonathan Cameron wrote:
> On 02/28/11 10:31, Sascha Hauer wrote:
>> On Sun, Feb 27, 2011 at 09:38:38PM -0600, Bill Gatliff wrote:
>>> Andrew, Linus:
>>>
>>>
>>> The git repository described in the following pull request implements
>>> a generic PWM device driver API. This API is intended to eventually
>>> supercede the existing PWM device drivers, but during a migration
>>> period will coexist peacefully with them.
>>
>> Sorry for the late answer, but it took some time to read the patches
>> again.
>>
>> Is it a good idea to have to APIs for the same thing in the kernel?
>> The old API has users whereas the new API has none. How can we migrate
>> from one API to the other when for example the backlight pwm driver
>> depends on the old API, SoC level drivers implement the old API, but
>> the atmel pwm driver is only available for the new API?
>>
> See the info in Bill's previous postings. He has other drivers queued
> up but wants to break up the review burden by merging this core stuff
> first...
>
Come to think of it, Bill, could you post these at this stage to
show the full benefit of this move?


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