From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomeu Vizoso Subject: [PATCH v2 08/22] gpio: Probe pinctrl devices on demand Date: Tue, 28 Jul 2015 15:19:39 +0200 Message-ID: <1438089593-7696-9-git-send-email-tomeu.vizoso@collabora.com> References: <1438089593-7696-1-git-send-email-tomeu.vizoso@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1438089593-7696-1-git-send-email-tomeu.vizoso@collabora.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, Arnd Bergmann , Stephen Warren , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Tomeu Vizoso , Javier Martinez Canillas , Mark Brown , Thierry Reding , linux-gpio@vger.kernel.org, Alexandre Courbot , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org When looking up a pin controller 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 v2: None drivers/gpio/gpiolib-of.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 31a6b18a6542..2a6379c1fea7 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -358,6 +358,8 @@ static int of_gpiochip_add_pin_range(struct gpio_chip *chip) if (ret) break; + fwnode_ensure_device(&pinspec.np->fwnode); + pctldev = of_pinctrl_get(pinspec.np); if (!pctldev) return -EPROBE_DEFER; -- 2.4.3