> > > When registering more than one platform device, it is
> > > useful to set the gpio chip label in the platform data.
> > >
> > > Cc: Linus Walleij <linus.wall...@linaro.org>
> > > Cc: Alexandre Courbot <gnu...@gmail.com>
> > > Cc: Samuel Ortiz <sa...@linux.intel.com>
> > > Cc: Lee Jones <lee.jo...@linaro.org>
> > > Signed-off-by: Pawel Moll <pawel.m...@arm.com>
> > > ---
> > > This patch has been already merged by Linux; it has been included
> > > for completeness only.
> > >
> > > drivers/gpio/gpio-generic.c | 2 ++
> > > include/linux/basic_mmio_gpio.h | 1 +
> > > 2 files changed, 3 insertions(+)
> > >
> > > diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c
> > > index d2196bf..8c778af 100644
> > > --- a/drivers/gpio/gpio-generic.c
> > > +++ b/drivers/gpio/gpio-generic.c
> > > @@ -531,6 +531,8 @@ static int bgpio_pdev_probe(struct platform_device
> > > *pdev)
> > > return err;
> > >
> > > if (pdata) {
> > > + if (pdata->label)
> >
> > Why is this check necessary?
> >
> > > + bgc->gc.label = pdata->label;
>
> Because bgc->gc.label is initialized to a default value in bgpio_init()
> and I don't want to override it with NULL if there is no label passed in
> the platform data.
Ah ha, thanks for clarifying.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
