[alsa-devel] Reforming S3C I2S towards supporting I2Sv4

Liam Girdwood lrg at slimlogic.co.uk
Wed Mar 10 10:04:07 CET 2010

On Wed, 2010-03-10 at 17:31 +0900, jassi brar wrote:
> On Wed, Mar 10, 2010 at 5:24 PM, Liam Girdwood <lrg at slimlogic.co.uk> wrote:
> > On Wed, 2010-03-10 at 16:48 +0900, Jassi Brar wrote:
> >>  The header with I2S register map and bit definitions has been copied
> >> to where the drivers are(sound/soc/s3c24xx/) since the header has nothing
> >> usable for platform code. Also, it will help avoid need for co-ordination
> >> between ASoC and S3C ARCH trees. For now, the header regs-s3c2412-iis.h
> >> is left intact but rendered useless by making ASoC drivers include the
> >> newly copied version of it (sound/soc/s3c24xx/regs-i2s-v2.h) Later the
> >> header could be dropped by patches to S3C PLAT tree.
> >>
> >
> > I'm not too keen on moving CPU register and bit definitions out of ARCH.
> The header doesn't contain absolute register addresses, but only
> offsets. 

Isn't this really the same thing ?

> The base address of I2S controllers are defined in PLAT
> specific header. So, I think we can move the header.

I don't think your reason of "co-ordination between ASoC and S3C ARCH
trees" can justify breaking kernel policy.


Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.

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