| Message ID | 20220329152926.50958-2-andriy.shevchenko@linux.intel.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | gpiolib: Two new helpers and way toward fwnode | expand |
On Tue, Mar 29, 2022 at 5:29 PM Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote: > Introduce for_each_gpiochip_node() loop helper which iterates over > the GPIO controller child nodes of a given device. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index be2fc9b15cf3..e6b9c17614ef 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -3,13 +3,14 @@ #define __LINUX_GPIO_DRIVER_H #include <linux/device.h> -#include <linux/types.h> #include <linux/irq.h> #include <linux/irqchip/chained_irq.h> #include <linux/irqdomain.h> #include <linux/lockdep.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinconf-generic.h> +#include <linux/property.h> +#include <linux/types.h> struct gpio_desc; struct seq_file; @@ -750,4 +751,8 @@ static inline void gpiochip_unlock_as_irq(struct gpio_chip *gc, } #endif /* CONFIG_GPIOLIB */ +#define for_each_gpiochip_node(dev, child) \ + device_for_each_child_node(dev, child) \ + if (!fwnode_property_present(child, "gpio-controller")) {} else + #endif /* __LINUX_GPIO_DRIVER_H */
Introduce for_each_gpiochip_node() loop helper which iterates over the GPIO controller child nodes of a given device. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- include/linux/gpio/driver.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)