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From: Mark Brown <broonie@opensource•wolfsonmicro.com>
To: Jon Smirl <jonsmirl@gmail•com>
Cc: "linuxppc-dev@lists•ozlabs.org" <linuxppc-dev@lists•ozlabs.org>,
	Eric Millbrandt <emillbrandt@dekaresearch•com>,
	Wolfgang Denk <wd@denx•de>
Subject: Re: [PATCH 0/2] mpc5200 ac97 gpio reset
Date: Wed, 9 Jun 2010 16:11:25 +0100	[thread overview]
Message-ID: <20100609151124.GB17945@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <AANLkTinxoQ7PL2OssJc5dZi2WnhkXMaTTGR7OVWxqL2g@mail.gmail.com>

On Wed, Jun 09, 2010 at 10:41:23AM -0400, Jon Smirl wrote:
> On Wed, Jun 9, 2010 at 10:32 AM, Mark Brown

> > Please include this quote in the changelog for the patch, if this a
> > documented workaround from the vendor that's a very different thing to
> > something that you've found happens to work on your systems (which is
> > more what your changelog sounded like).

> Mark, is there a way to ask the chip if it is in test mode? We need to
> be sure that's whats happening and it isn't some other glitch.

I'd need to work with the hardware teams to obtain this information, but
I can confirm that having SYNC high while doing a reset is not supported
and so fixing the driver to not do that is a good idea independantly of
what it actually does to the chip.

      reply	other threads:[~2010-06-09 15:11 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-08 16:46 [PATCH 0/2] mpc5200 ac97 gpio reset Eric Millbrandt
2010-06-08 16:46 ` [PATCH 1/2] powerpc/5200: Export port-config Eric Millbrandt
2010-06-08 16:46   ` [PATCH 2/2] sound/soc: mpc5200_psc_ac97: Use gpio pins for cold reset Eric Millbrandt
2010-06-09 10:25     ` Mark Brown
2010-06-10 22:11   ` [PATCH 1/2] powerpc/5200: Export port-config Grant Likely
2010-06-09  0:24 ` [PATCH 0/2] mpc5200 ac97 gpio reset Jon Smirl
2010-06-09  6:13   ` Wolfgang Denk
2010-06-09 10:30     ` Mark Brown
2010-06-09 14:24       ` Eric Millbrandt
2010-06-10 22:07       ` Grant Likely
2010-06-10 23:14         ` Mark Brown
2010-06-10 23:31           ` Grant Likely
2010-06-09 12:21     ` Jon Smirl
2010-06-09 14:21       ` Eric Millbrandt
2010-06-09 14:32         ` Mark Brown
2010-06-09 14:41           ` Jon Smirl
2010-06-09 15:11             ` Mark Brown [this message]

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