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.
>
> Sign
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
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arch/powerpc/sysdev/mpc8xxx_gpio.c