From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomeu Vizoso Subject: [PATCH v4 05/22] gpio: Probe GPIO drivers on demand Date: Mon, 7 Sep 2015 14:23:30 +0200 Message-ID: <1441628627-5143-6-git-send-email-tomeu.vizoso@collabora.com> References: <1441628627-5143-1-git-send-email-tomeu.vizoso@collabora.com> Return-path: In-Reply-To: <1441628627-5143-1-git-send-email-tomeu.vizoso-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Rob Herring , Stephen Warren , Javier Martinez Canillas , Mark Brown , Thierry Reding , "Rafael J. Wysocki" , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Dmitry Torokhov , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Linus Walleij , linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Arnd Bergmann , Tomeu Vizoso , linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Alexandre Courbot List-Id: devicetree@vger.kernel.org When looking up a gpiochip through its firmware node, probe it if it hasn't already. The goal is to reduce deferred probes to a minimum, as it makes it very cumbersome to find out why a device failed to probe, and can introduce very big delays in when a critical device is probed. Signed-off-by: Tomeu Vizoso --- Changes in v4: None Changes in v3: None Changes in v2: None drivers/gpio/gpiolib-of.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index fa6e3c8823d6..9a439dab7a87 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -95,6 +96,8 @@ struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, return ERR_PTR(ret); } + of_device_probe(gg_data.gpiospec.np); + gpiochip_find(&gg_data, of_gpiochip_find_and_xlate); of_node_put(gg_data.gpiospec.np); -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html