linux-kernel - [PATCH v2 2/2] gpio: davinci: use generic device properties

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Message-ID: <20241007103440.38416-2-brgl@bgdev.pl>
Date: Mon,  7 Oct 2024 12:34:40 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Keerthy <j-keerthy@...com>,
	Linus Walleij <linus.walleij@...aro.org>
Cc: linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH v2 2/2] gpio: davinci: use generic device properties

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

OF-specific routines should not be used unless necessary. Generic device
properties are preferred so switch to using them in the driver code.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/gpio/gpio-davinci.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 1da1d7c7ac2d..8c033e8cf3c9 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -15,7 +15,6 @@
 #include <linux/irq.h>
 #include <linux/irqdomain.h>
 #include <linux/module.h>
-#include <linux/of.h>
 #include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
 #include <linux/property.h>
@@ -159,14 +158,13 @@ static int davinci_gpio_probe(struct platform_device *pdev)
 	unsigned int ngpio, nbank, nirq, gpio_unbanked;
 	struct davinci_gpio_controller *chips;
 	struct device *dev = &pdev->dev;
-	struct device_node *dn = dev_of_node(dev);
 
 	/*
 	 * The gpio banks conceptually expose a segmented bitmap,
 	 * and "ngpio" is one more than the largest zero-based
 	 * bit index that's valid.
 	 */
-	ret = of_property_read_u32(dn, "ti,ngpio", &ngpio);
+	ret = device_property_read_u32(dev, "ti,ngpio", &ngpio);
 	if (ret)
 		return dev_err_probe(dev, ret, "Failed to get the number of GPIOs\n");
 	if (ngpio == 0)
@@ -177,8 +175,8 @@ static int davinci_gpio_probe(struct platform_device *pdev)
 	 * interrupts is equal to number of gpios else all are banked so
 	 * number of interrupts is equal to number of banks(each with 16 gpios)
 	 */
-	ret = of_property_read_u32(dn, "ti,davinci-gpio-unbanked",
-				   &gpio_unbanked);
+	ret = device_property_read_u32(dev, "ti,davinci-gpio-unbanked",
+				       &gpio_unbanked);
 	if (ret)
 		return dev_err_probe(dev, ret, "Failed to get the unbanked GPIOs property\n");
 
-- 
2.43.0