linux-kernel - Re: [PATCH] ARM: OMAP2+: AM33XX: clock data: fix mcasp entries

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Date:	Mon, 29 Oct 2012 19:35:54 -0500
From:	Joel A Fernandes <agnel.joel@...il.com>
To:	"Hebbar, Gururaja" <gururaja.hebbar@...com>
Cc:	"Porter, Matt" <mporter@...com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Tony Lindgren <tony@...mide.com>,
	"Hiremath, Vaibhav" <hvaibhav@...com>,
	Linux OMAP List <linux-omap@...r.kernel.org>
Subject: Re: [PATCH] ARM: OMAP2+: AM33XX: clock data: fix mcasp entries

[resending, because the first post got rejected due to non-plaintext]

Hi Guraraja,

I am interested in this thread. I've been trying Gururaja's patches for
audio as well.

I rebased  Guraja's patches on top of Matt's EDMA patches which were
applied to the beaglebone 3.7 kernel repo. With some fixes to make it
compile with CONFIG_DUMMY_REGULATOR enabled, Currently it breaks at
set_dai_fmt in davinci-mcasp.c when an audio file is played.

Could you try my tree on EVM?  dts changes may be required to use mcasp1 on
EVM, https://github.com/joelagnel/linux-kernel/commits/3.7

v3.7-rc2-fixes to v3.7-rc2-audio commits are Gururaja's patches which I
applied, and after that are my commits to enable config , add dt data and
some fixes.

Thanks,
Joel

On Mon, Oct 29, 2012 at 10:45 AM, Hebbar, Gururaja
<gururaja.hebbar@...com> wrote:
>
> Matt,
>
> On Wed, Oct 10, 2012 at 20:00:49, Porter, Matt wrote:
> > 6ea74cb ARM: OMAP2+: hwmod: get rid of all omap_clk_get_by_name usage
> > exposes a bug in the AM33XX clock data for mcasp. After moving to
> > clk_get() usage, the _init() of all registered hwmods fails on mcasp0
> > due to incorrect clock data causing clk_get() to fail. This causes all
> > successive hwmods to fail to _init() leaving them in a bad state.
> >
> > This patch updates the mcasp clock entries so clk_get() will succeed.
> > It is tested on BeagleBone and is needed for 3.7-rc1 to fix AM33xx
> > boot.
>
>
> I want to test Audio on AM335x Evm with your EDMA patches. I have few
> patches for AM335x.
> Can you share the link to the repo & branch on which I need to rebase?
> The patches are related to mcasp dt node, mcasp pinmux in dt, etc...
>
> >
> ..snip..
> ..snip..
> >
>
>
> Thanks & Regards,
> Gururaja
> --
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