Messages in this thread | | | Date | Tue, 11 Feb 2014 17:17:21 +0000 | From | Lee Jones <> | Subject | Re: [PATCH 05/12] GPIO: gpio-generic: Add label to platform data |
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> When registering more than one platform device, it is > useful to set the gpio chip label in the platform data. > > Cc: Linus Walleij <linus.walleij@linaro.org> > Cc: Alexandre Courbot <gnurou@gmail.com> > Cc: Samuel Ortiz <sameo@linux.intel.com> > Cc: Lee Jones <lee.jones@linaro.org> > Signed-off-by: Pawel Moll <pawel.moll@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; > bgc->gc.base = pdata->base; > if (pdata->ngpio > 0) > bgc->gc.ngpio = pdata->ngpio; > diff --git a/include/linux/basic_mmio_gpio.h b/include/linux/basic_mmio_gpio.h > index d8a97ec..0e97856 100644 > --- a/include/linux/basic_mmio_gpio.h > +++ b/include/linux/basic_mmio_gpio.h > @@ -19,6 +19,7 @@ > #include <linux/spinlock_types.h> > > struct bgpio_pdata { > + const char *label; > int base; > int ngpio; > };
-- 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 majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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