On Fri, Nov 22, 2013 at 9:12 AM, Liu Gang wrote:
> For MPC8572/MPC8536, the status of GPIOs defined as output
> cannot be determined by reading GPDAT register, so the code
> use shadow data register instead. But the code may give the
> wrong status of GPIOs defined as input under some scenarios:
On Fri, 22 Nov 2013 16:12:40 +0800
Liu Gang wrote:
> For MPC8572/MPC8536, the status of GPIOs defined as output
> cannot be determined by reading GPDAT register, so the code
> use shadow data register instead. But the code may give the
> wrong status of GPIOs defined as input under some scenarios
On Fri, Nov 22, 2013 at 9:12 AM, Liu Gang wrote:
> For MPC8572/MPC8536, the status of GPIOs defined as output
> cannot be determined by reading GPDAT register, so the code
> use shadow data register instead. But the code may give the
> wrong status of GPIOs defined as input under some scenarios:
On Fri, 2013-11-22 at 14:51 -0600, Kumar Gala wrote:
> > drivers/gpio/gpio-mpc8xxx.c | 8 ++--
> > 1 file changed, 6 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
> > index 914e859..d7d6d72 100644
> > --- a/drivers/gpio/gpio-mpc8xxx
On Nov 22, 2013, at 2:12 AM, Liu Gang wrote:
> For MPC8572/MPC8536, the status of GPIOs defined as output
> cannot be determined by reading GPDAT register, so the code
> use shadow data register instead. But the code may give the
> wrong status of GPIOs defined as input under some scenarios:
>
On Fri, 2013-11-22 at 16:12 +0800, Liu Gang wrote:
> For MPC8572/MPC8536, the status of GPIOs defined as output
> cannot be determined by reading GPDAT register, so the code
> use shadow data register instead. But the code may give the
> wrong status of GPIOs defined as input under some scenarios:
For MPC8572/MPC8536, the status of GPIOs defined as output
cannot be determined by reading GPDAT register, so the code
use shadow data register instead. But the code may give the
wrong status of GPIOs defined as input under some scenarios:
1. If some pins were configured as inputs and were asserte
