[U-Boot] [PATCH] gpio: spear_gpio: Fix gpio_set_value() implementation

[Marek Vasut <marex@denx.de>]

Dear Michael Trimarchi,

> Hi
> 
> Il giorno 20/giu/2013 15:57, "Marek Vasut" <marex@denx.de> ha scritto:
> > Dear Michael Trimarchi,
> > 
> > > Hi
> > > 
> > > Il giorno 20/giu/2013 09:14, "Axel Lin" <axel.lin@ingics.com> ha
> 
> scritto:
> > > > In current gpio_set_value() implementation, it always sets the gpio
> > > 
> > > control bit
> > > 
> > > > no matter the value argument is 0 or 1. Thus the GPIOs never set to
> 
> low.
> 
> > > > This patch fixes this bug.
> > > > 
> > > > Signed-off-by: Axel Lin <axel.lin@ingics.com>
> > > > ---
> > > > 
> > > >  drivers/gpio/spear_gpio.c | 5 ++++-
> > > >  1 file changed, 4 insertions(+), 1 deletion(-)
> > > > 
> > > > diff --git a/drivers/gpio/spear_gpio.c b/drivers/gpio/spear_gpio.c
> > > > index d3c728e..8878608 100644
> > > > --- a/drivers/gpio/spear_gpio.c
> > > > +++ b/drivers/gpio/spear_gpio.c
> > > > @@ -52,7 +52,10 @@ int gpio_set_value(unsigned gpio, int value)
> > > > 
> > > >  {
> > > >  
> > > >         struct gpio_regs *regs = (struct gpio_regs
> > > >         *)CONFIG_GPIO_BASE;
> > > > 
> > > > -       writel(1 << gpio, &regs->gpiodata[DATA_REG_ADDR(gpio)]);
> > > > +       if (value)
> > > > +               writel(1 << gpio,
> 
> &regs->gpiodata[DATA_REG_ADDR(gpio)]);
> 
> > > > +       else
> > > > +               writel(0, &regs->gpiodata[DATA_REG_ADDR(gpio)]);
> > > > 
> > > >         return 0;
> > > >  
> > > >  }
> > > 
> > > Does it work the clear? Seems that it sets to 0 all the bank. I'm using
> 
> the
> 
> > > mobile
> > 
> > I don't think I speak language of your tribe (lol) ;-)
> > 
> > What's "the mobile" please ?
> > 
> > Best regards,
> > Marek Vasut
> 
> Android mobile, italian dictinary and same comment of you

Poor you, the android {keyboard,mailer,} is such a crap ;-(

Best regards,
Marek Vasut