> 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;
> 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
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