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Subject: Re: [PATCH] powerpc/85xx: Workaround MPC8572/MPC8536 GPIO 1 errata.
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From: Kumar Gala <galak@kernel.crashing.org>
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Date: Thu, 10 Dec 2009 21:11:31 -0600
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To: Felix Radensky <felix@embedded-sol.com>
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On Aug 12, 2009, at 12:57 AM, Felix Radensky wrote:

> On MPC8572 and MPC8536 the status of GPIO pins configured
> as output cannot be determined by reading GPDAT register.
> Workaround by reading the status of input pins from GPDAT
> and the status of output pins from a shadow register.
> 
> Signed-off-by: Felix Radensky <felix@embedded-sol.com>
> ---
> arch/powerpc/sysdev/mpc8xxx_gpio.c |   21 ++++++++++++++++++++-
> 1 files changed, 20 insertions(+), 1 deletions(-)

applied to next

- k