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Message-Id: <1432565608-26036-9-git-send-email-tomeu.vizoso@collabora.com>
Date: Mon, 25 May 2015 16:53:12 +0200
From: Tomeu Vizoso <tomeu.vizoso@...labora.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: Stéphane Marchesin
<stephane.marchesin@...il.com>,
Thierry Reding <thierry.reding@...il.com>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Alexander Holler <holler@...oftware.de>,
Grant Likely <grant.likely@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Tomeu Vizoso <tomeu.vizoso@...labora.com>,
Linus Walleij <linus.walleij@...aro.org>,
Alexandre Courbot <gnurou@...il.com>,
linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 08/21] gpio: Probe GPIO drivers on demand
Ensure that the device corresponding to the DT node of the gpiochip has
been registered.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
---
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 a6c67c6..190183d 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -20,6 +20,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_gpio.h>
+#include <linux/of_platform.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/slab.h>
#include <linux/gpio/machine.h>
@@ -95,6 +96,8 @@ struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
return ERR_PTR(ret);
}
+ of_platform_device_ensure(gg_data.gpiospec.np);
+
gpiochip_find(&gg_data, of_gpiochip_find_and_xlate);
of_node_put(gg_data.gpiospec.np);
--
2.4.1
--
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