linux-kernel - [RFC 05/12] gpio: Probe pinctrl devices on demand

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Message-Id: <1429886848-5843-6-git-send-email-tomeu.vizoso@collabora.com>
Date:	Fri, 24 Apr 2015 16:47:21 +0200
From:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
To:	linux-kernel@...r.kernel.org
Cc:	Thierry Reding <thierry.reding@...il.com>,
	Stéphane Marchesin <marcheu@...omium.org>,
	Alexander Holler <holler@...oftware.de>,
	Olof Johansson <olof@...om.net>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
	Mark Rutland <mark.rutland@....com>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>
Subject: [RFC 05/12] gpio: Probe pinctrl devices on demand

Ensure that the device corresponding to the DT node of the pin
controller has been registered.
---
 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 190183d..e26e105 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -362,6 +362,8 @@ static void of_gpiochip_add_pin_range(struct gpio_chip *chip)
 		if (ret)
 			break;
 
+		of_platform_device_ensure(pinspec.np);
+
 		pctldev = of_pinctrl_get(pinspec.np);
 		if (!pctldev)
 			break;
-- 
2.3.6

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