gpio: latch: use generic device properties

Replace calls to OF-specific interface with generic device property
getters. This is good practice and also drops implicit run-time
dependency on CONFIG_OF.

Link: https://lore.kernel.org/r/20250211120847.42437-1-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-latch.c b/drivers/gpio/gpio-latch.c
index d7c3b20c8482ec2e9594a81e2f5254ed5ce1943e..722eb5b045f548bc020fb425bc8c34deca86bc55 100644 (file)
--- a/drivers/gpio/gpio-latch.c
+++ b/drivers/gpio/gpio-latch.c
@@ -44,6 +44,7 @@
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/delay.h>
 
 #include "gpiolib.h"
@@ -138,9 +139,9 @@ static bool gpio_latch_can_sleep(struct gpio_latch_priv *priv, unsigned int n_la
 
 static int gpio_latch_probe(struct platform_device *pdev)
 {
+       struct device *dev = &pdev->dev;
        struct gpio_latch_priv *priv;
        unsigned int n_latches;
-       struct device_node *np = pdev->dev.of_node;
 
        priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
        if (!priv)
@@ -172,14 +173,16 @@ static int gpio_latch_probe(struct platform_device *pdev)
                spin_lock_init(&priv->spinlock);
        }
 
-       of_property_read_u32(np, "setup-duration-ns", &priv->setup_duration_ns);
+       device_property_read_u32(dev, "setup-duration-ns",
+                                &priv->setup_duration_ns);
        if (priv->setup_duration_ns > DURATION_NS_MAX) {
                dev_warn(&pdev->dev, "setup-duration-ns too high, limit to %d\n",
                         DURATION_NS_MAX);
                priv->setup_duration_ns = DURATION_NS_MAX;
        }
 
-       of_property_read_u32(np, "clock-duration-ns", &priv->clock_duration_ns);
+       device_property_read_u32(dev, "clock-duration-ns",
+                                &priv->clock_duration_ns);
        if (priv->clock_duration_ns > DURATION_NS_MAX) {
                dev_warn(&pdev->dev, "clock-duration-ns too high, limit to %d\n",
                         DURATION_NS_MAX);