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Date:   Fri, 3 May 2019 09:32:53 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        tiwai@...e.de, vkoul@...nel.org, gregkh@...uxfoundation.org,
        liam.r.girdwood@...ux.intel.com, jank@...ence.com, joe@...ches.com,
        srinivas.kandagatla@...aro.org,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v2 2/2] regmap: soundwire: fix Kconfig select/depend issue



On 5/2/19 11:39 PM, Mark Brown wrote:
> On Fri, Apr 19, 2019 at 02:46:49PM -0500, Pierre-Louis Bossart wrote:
> 
>>   config REGMAP_SOUNDWIRE
>>   	tristate
>> -	depends on SOUNDWIRE_BUS
>> +	select SOUNDWIRE_BUS
> 
> This now makes _SOUNDWIRE different to all the other bus types; if this
> is a good change then surely the same thing should be done for all the
> other bus types.  It's also not clear to me that this actually does
> anything, do selects from symbols that are themselves selected actually
> do anything?

yes, this works, but if you prefer alignment I can follow the SLIMBUS model

config SND_SOC_WCD9335
	tristate "WCD9335 Codec"
	depends on SLIMBUS
	select REGMAP_SLIMBUS
	select REGMAP_IRQ

config REGMAP_SLIMBUS
	tristate
	depends on SLIMBUS

menuconfig SLIMBUS
	tristate "SLIMbus support"
	
if SLIMBUS

# SLIMbus controllers
config SLIM_QCOM_CTRL
...

As I mentioned it'll compile the bus even if there is no user for it, 
but it's your call: alignment or optimization.

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