linux-kernel - [PATCH v3 07/13] gpio/tegra: Convert to a platform device

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Date:	Thu, 25 Aug 2011 17:43:38 -0600
From:	Stephen Warren <swarren@...dia.com>
To:	Grant Likely <grant.likely@...retlab.ca>,
	Colin Cross <ccross@...roid.com>,
	Erik Gilling <konkers@...roid.com>,
	Olof Johansson <olof@...om.net>
Cc:	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	devicetree-discuss@...ts.ozlabs.org, linux-tegra@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Belisko Marek <marek.belisko@...il.com>,
	Jamie Iles <jamie@...ieiles.com>,
	Shawn Guo <shawn.guo@...escale.com>,
	Sergei Shtylyov <sshtylyov@...sta.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Stephen Warren <swarren@...dia.com>
Subject: [PATCH v3 07/13] gpio/tegra: Convert to a platform device

Signed-off-by: Stephen Warren <swarren@...dia.com>
---
 drivers/gpio/gpio-tegra.c |   25 ++++++++++++++-----------
 1 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index df64536..4da4839 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -20,10 +20,10 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
-
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/of.h>
+#include <linux/platform_device.h>
 
 #include <asm/mach/irq.h>
 
@@ -332,7 +332,7 @@ static struct irq_chip tegra_gpio_irq_chip = {
  */
 static struct lock_class_key gpio_lock_class;
 
-static int __init tegra_gpio_init(void)
+static int __init tegra_gpio_probe(struct platform_device *pdev)
 {
 	struct tegra_gpio_bank *bank;
 	int gpio;
@@ -346,15 +346,6 @@ static int __init tegra_gpio_init(void)
 		}
 	}
 
-#ifdef CONFIG_OF_GPIO
-	/*
-	 * This isn't ideal, but it gets things hooked up until this
-	 * driver is converted into a platform_device
-	 */
-	tegra_gpio_chip.of_node = of_find_compatible_node(NULL, NULL,
-						"nvidia,tegra20-gpio");
-#endif /* CONFIG_OF_GPIO */
-
 	gpiochip_add(&tegra_gpio_chip);
 
 	for (gpio = 0; gpio < TEGRA_NR_GPIOS; gpio++) {
@@ -383,6 +374,18 @@ static int __init tegra_gpio_init(void)
 	return 0;
 }
 
+static struct platform_driver tegra_gpio_driver = {
+	.driver		= {
+		.name	= "tegra-gpio",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= tegra_gpio_probe,
+};
+
+static int __init tegra_gpio_init(void)
+{
+	return platform_driver_register(&tegra_gpio_driver);
+}
 postcore_initcall(tegra_gpio_init);
 
 void __init tegra_gpio_config(struct tegra_gpio_table *table, int num)
-- 
1.7.0.4

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