linux-kernel - Re: [PATCH v2 3/3] pwm: Add Ingenic JZ4740 support

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Date:	Tue, 11 Sep 2012 19:54:16 +0200
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Thierry Reding <thierry.reding@...onic-design.de>
CC:	Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org,
	Antony Pavlov <antonynpavlov@...il.com>,
	Maarten ter Huurne <maarten@...ewalker.org>
Subject: Re: [PATCH v2 3/3] pwm: Add Ingenic JZ4740 support

On 09/11/2012 07:02 AM, Thierry Reding wrote:
> On Mon, Sep 10, 2012 at 11:51:48PM +0200, Lars-Peter Clausen wrote:
>> On 09/10/2012 02:05 PM, Thierry Reding wrote:
>>> This commit moves the driver to drivers/pwm and converts it to the new
>>> PWM framework.
>>>
>>> Signed-off-by: Thierry Reding <thierry.reding@...onic-design.de>
>>
>> Seems to work, thanks a lot. This one and patch 2:
>>
>> Acked-by: Lars-Peter Clausen <lars@...afoo.de>
>> Tested-by: Lars-Peter Clausen <lars@...afoo.de>
>>
>> But I noticed a different problem. Some drivers using the pwm API depend on
>> HAVE_PWM (e.g. the pwm beeper driver), but the generic PWM framework does not
>> select HAVE_PWM, so I couldn't select the pwm beeper driver. Imo the generic
>> PWM framework should select HAVE_PWM
> 
> Does it also work if you add || PWM to the PWM beeper driver's depends?

Should work, but to select HAVE_PWM would in my opinion have been cleaner. But
since the custom implementations of the PWM API should be gone soon anyway it
probably does not matter that much.

- Lars
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