Re: [PATCH v2 0/3] ARM: OMAP3: Fix McBSP2/3 hwmod setup for sidetone

From: Paul Walmsley
Date: Mon Mar 21 2016 - 13:44:43 EST


Hi Péter,

On Mon, 21 Mar 2016, Peter Ujfalusi wrote:

> On 03/19/16 21:38, Paul Walmsley wrote:
> > On Fri, 18 Mar 2016, Peter Ujfalusi wrote:
> >
> >> Hi,
> >>
> >> Chanes since v1:
> >> - removed the ASoC patch as Mark has applied it already
> >> - Added my signed-off to the hwmod patch
> >> - New patch to handle the case when the sidetone hwmod has been removed for
> >> legacy boot.
> >>
> >> The series addresses a long standing issue with McBSP2/3 regarding to hwmod
> >> setup. When booting with DT a warning is printed that mcbsp2/3 is using two
> >> hwmod.
> >> The root of the issue is the way how the hwmod data was constructed in the first
> >> place for OMAP3 McBSP2/3.
> >> After re-reading the TRM it is clear that the sidetone should not have it's
> >> own hwmod data as it is not a separate IP, it is part of the McBSP module. It
> >> can not affect PRCM either since it's SYSCONFIG register's AUTOIDLE bit is only
> >> sets the autoidle from the internal McBSP_iclk clock to the sidetone block of
> >> the same McBSP.
> >
> > NAK, at least without further discussion - see my comments on the v1 0/3
> > introduction.
>
> Yes, I could have sent the first series as RFC, but I believe(d) that this is
> the correct way to fix the McBSP sidetone integration.

Yep not a problem. You're handling the process correctly. There's no
need to send things as an RFC unless you are unsure.

What you and I are doing now is exactly how the discussion and review
process is supposed to work.


- Paul