Re: [PATCH 2/2] ASoC: atmel: compile pcm driver in snd-soc-atmel_ssc_dai

From: Alexandre Belloni
Date: Wed May 27 2015 - 05:19:11 EST


On 27/05/2015 at 09:50:24 +0200, Paul Bolle wrote :
> Now that this patch is already applied my remarks can only be addressed
> in a follow up patch. (Perhaps such a patch is already queued.)
>
> On Tue, 2015-05-26 at 00:04 +0200, Alexandre Belloni wrote:
> > --- a/sound/soc/atmel/Kconfig
> > +++ b/sound/soc/atmel/Kconfig
>
> > config SND_ATMEL_SOC_PDC
> > - tristate
> > + bool
> >
> > config SND_ATMEL_SOC_DMA
> > - tristate
> > + bool
> > select SND_SOC_GENERIC_DMAENGINE_PCM
>
> > --- a/sound/soc/atmel/Makefile
> > +++ b/sound/soc/atmel/Makefile
>
> > -snd-soc-atmel-pcm-pdc-objs := atmel-pcm-pdc.o
> > -snd-soc-atmel-pcm-dma-objs := atmel-pcm-dma.o
> > -snd-soc-atmel_ssc_dai-objs := atmel_ssc_dai.o
> > +snd-soc-atmel-pcm-$(CONFIG_SND_ATMEL_SOC_PDC) := atmel-pcm-pdc.o
> > +snd-soc-atmel-pcm-$(CONFIG_SND_ATMEL_SOC_DMA) += atmel-pcm-dma.o
> > +snd-soc-atmel_ssc_dai-objs := atmel_ssc_dai.o $(snd-soc-atmel-pcm-y)
> >
> > -obj-$(CONFIG_SND_ATMEL_SOC_PDC) += snd-soc-atmel-pcm-pdc.o
> > -obj-$(CONFIG_SND_ATMEL_SOC_DMA) += snd-soc-atmel-pcm-dma.o
> > obj-$(CONFIG_SND_ATMEL_SOC_SSC) += snd-soc-atmel_ssc_dai.o
>
> The code in atmel-pcm-pdc.c and atmel-pcm-dma.c will now either be part
> of the snd-soc-atmel_ssc_dai.ko or be built-in. That means, I think,
> that:
> - the (in total) four uses of EXPORT_SYMBOL() in these two files can be
> dropped;
> - MODULE_AUTHOR() and friends, and probably also the include of
> linux/module.h, can be dropped from these two files.
>

Yeah, I as not sure how to merge those MODULE_AUTHOR but I checked and
the information is correctly included.

> Furthermore, the references to CONFIG_SND_ATMEL_SOC_PDC_MODULE and
> CONFIG_SND_ATMEL_SOC_DMA_MODULE in atmel-pcm.h can be removed now.
>

Indeed.

However, the Kconfig maintainer found a way to do the right thing so we
may as well drop that patch and keep those as modules.

Nicolas, what do you think?

--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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