From: Gary Thomas <gary@mlbassoc.com>
To: Linux PPC Development <linuxppc-dev@ozlabs.org>
Subject: Re: MMC on MPC8379
Date: Thu, 03 Feb 2011 11:48:01 -0700 [thread overview]
Message-ID: <4D4AF861.2050605@mlbassoc.com> (raw)
In-Reply-To: <4D4717AD.2040905@mlbassoc.com>
On 01/31/2011 01:12 PM, Gary Thomas wrote:
> I'm running 2.6.32 on MPC8379, trying to use the SDHCI interface.
> It seems to work, reads are fine, but when I write to the device
> (I've tried both eMMC soldered-on and pluggable MMC/SD cards),
> I get intermittent failures. Specifically, some blocks will be
> written while others fail. I haven't yet found a pattern.
>
> Is there anything special about this interface? I notice that
> it's not really used by any FSL platforms although the driver
> claims support.
On the surface, it looks like it should work and I'm perplexed
by the failures.
Does anyone have any ideas or experience with this device?
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
prev parent reply other threads:[~2011-02-03 18:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-31 20:12 MMC on MPC8379 Gary Thomas
2011-02-03 18:48 ` Gary Thomas [this message]
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