linux-kernel - Re: [PWM v6 1/3] PWM: Implement a generic PWM framework

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Date:	Mon, 7 Mar 2011 10:28:30 -0600
From:	Bill Gatliff <bgat@...lgatliff.com>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PWM v6 1/3] PWM: Implement a generic PWM framework

Lars:

On Sun, Mar 6, 2011 at 12:35 AM, Lars-Peter Clausen <lars@...afoo.de> wrote:
> On 03/06/2011 07:16 AM, Lars-Peter Clausen wrote:
>> On 03/06/2011 05:17 AM, Bill Gatliff wrote:
>>> +
>>> +
>>> +pwm_set_handler() -- Defines an end-of-period callback.  The indicated
>>> +function will be invoked in a worker thread at the end of each PWM
>>> +period, and can subsequently invoke pwm_config(), etc.  Must be used
>>> +with extreme care for high-speed PWM outputs.  Set the handler
>>> +function to NULL to un-set the handler.
>>> +
>
> This looks like a poor man's IRQ handler implementation. In my opinion something
> like pwm_to_irq would be better suited interface.

Not sure what you mean here.  Can you elaborate?


b.g.
-- 
Bill Gatliff
bgat@...lgatliff.com
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