From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kukjin Kim <kgene.kim@samsung.com>
Subject: RE: [PATCH] ARM: dts: Remove mau_pd node for Exynos5420
Date: Wed, 23 Apr 2014 19:13:32 +0900
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To: 'Tushar Behera' <tushar.behera@linaro.org>, 'Alim Akhtar' <alim.akhtar@gmail.com>
Cc: linux-samsung-soc@vger.kernel.org, jhbird.choi@samsung.com

Tushar Behera wrote:
> 
> On 22 April 2014 13:08, Alim Akhtar <alim.akhtar@gmail.com> wrote:
> > Hi Tushar
> >
> > On Tue, Apr 22, 2014 at 11:09 AM, Tushar Behera
> > <tushar.behera@linaro.org> wrote:
> >> MAU powerdomain provides clocks for Audio sub-system block. This block
> >> comprises of the I2S audio controller, audio DMA blocks and Audio
> >> sub-system clock registers.
> >>
> >> Right now, there is no way to hook up power-domains with clock
> providers.
> >> During late boot when this power-domain gets disabled, we get following
> >> external abort.

+ Jonghwan Choi

Well, this is not a perfect solution to support MAU power domain, it's true it is a problem right now though.

In other words, this is just temporal fix for the problem.

How about accessing clock stuff for audio sub-system with handling MAU power domain via generic IO power domain?

> > ?? which abort?? Can you please mention it here?
> >>
> 
> Thanks Alim for spotting this ... I somehow missed adding this.
> 
> <<<<
> Unhandled fault: imprecise external abort (0x1406) at 0x00000000
> Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007
> >>>>
> 
> Kukjin,
> 
> Let me know if I need to resend the patch.

- Kukjin