linux-kernel - [PATCH v4 2/3] gpio: wm831x: Add basic device tree support

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Message-ID: <1489592384-11510-2-git-send-email-ckeepax@opensource.wolfsonmicro.com>
Date:   Wed, 15 Mar 2017 15:39:43 +0000
From:   Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
To:     <lee.jones@...aro.org>
CC:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <linus.walleij@...aro.org>, <gnurou@...il.com>,
        <devicetree@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <patches@...nsource.wolfsonmicro.com>
Subject: [PATCH v4 2/3] gpio: wm831x: Add basic device tree support

Now the wm831x-core has basic DT support we can update this driver to
allow use of the GPIOs within a device tree system.

Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@...aro.org>
---

No change since v3, but still needs to go through Lee's tree.

Thanks,
Charles

 drivers/gpio/gpio-wm831x.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-wm831x.c b/drivers/gpio/gpio-wm831x.c
index 533707f..110453c7 100644
--- a/drivers/gpio/gpio-wm831x.c
+++ b/drivers/gpio/gpio-wm831x.c
@@ -264,7 +264,7 @@ static const struct gpio_chip template_chip = {
 static int wm831x_gpio_probe(struct platform_device *pdev)
 {
 	struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-	struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev);
+	struct wm831x_pdata *pdata = &wm831x->pdata;
 	struct wm831x_gpio *wm831x_gpio;
 	int ret;
 
@@ -281,6 +281,9 @@ static int wm831x_gpio_probe(struct platform_device *pdev)
 		wm831x_gpio->gpio_chip.base = pdata->gpio_base;
 	else
 		wm831x_gpio->gpio_chip.base = -1;
+#ifdef CONFIG_OF_GPIO
+	wm831x_gpio->gpio_chip.of_node = wm831x->dev->of_node;
+#endif
 
 	ret = devm_gpiochip_add_data(&pdev->dev, &wm831x_gpio->gpio_chip,
 				     wm831x_gpio);
-- 
2.1.4